TY  - JOUR
AU  - Todorović, Zoran
AU  - Đorđević, Biljana
AU  - Troter, Dragan
AU  - Veselinović, Ljiljana
AU  - Zdujić, Miodrag
AU  - Veljković, Vlada
PY  - 2023
UR  - https://dais.sanu.ac.rs/123456789/15139
AB  - Deep eutectic solvents (DESs) are called 'designer solvents' due to various structural variations and the benefit of tailoring their physicochemical properties. For industrial applications of DESs it is crucial to know their physical and thermodynamic properties such as density, viscosity, and refractive index. These properties were measured for three lecithin (LEC)-based DESs with glycerol (G), triethanolamine (TEOA), and oleic acid (OLA) as functions of temperature. The viscosity was fitted by both Arrhenius-type and Vogel-Tamman-Fulcher equations. The density, viscosity, and refractive index of tested DESs decreased with the increase in temperature. The LEC:G DES exhibited the lowest density at all tested tempe-ratures. This DES was selected as a cosolvent in the ethanolysis of cold-pressed black mustard (Brassica nigra L.) seed oil catalyzed by either calcined or non-calcined CaO. The reaction was carried out in a batch stirred reactor under the following conditions: the temperature of 70 °C, the ethanol-to-oil molar ratio of 12:1, and the amount of DES and CaO of 20 and 10 wt.% (to oil), respectively. The presence of DES accelerated the reaction, while the separation of the final reaction mixture phases was faster.
PB  - Belgrade : Association of the Chemical Engineers of Serbia
T2  - Hemijska industrija
T1  - Effects of temperature on physicochemical properties of the lecithin based deep eutectic solvents and their use in the CaO-catalyzed transesterification
SP  - 53
EP  - 67
VL  - 77
IS  - 1
DO  - 10.2298/HEMIND220527016T
UR  - https://hdl.handle.net/21.15107/rcub_dais_15139
ER  - 

@article{
author = "Todorović, Zoran and Đorđević, Biljana and Troter, Dragan and Veselinović, Ljiljana and Zdujić, Miodrag and Veljković, Vlada",
year = "2023",
abstract = "Deep eutectic solvents (DESs) are called 'designer solvents' due to various structural variations and the benefit of tailoring their physicochemical properties. For industrial applications of DESs it is crucial to know their physical and thermodynamic properties such as density, viscosity, and refractive index. These properties were measured for three lecithin (LEC)-based DESs with glycerol (G), triethanolamine (TEOA), and oleic acid (OLA) as functions of temperature. The viscosity was fitted by both Arrhenius-type and Vogel-Tamman-Fulcher equations. The density, viscosity, and refractive index of tested DESs decreased with the increase in temperature. The LEC:G DES exhibited the lowest density at all tested tempe-ratures. This DES was selected as a cosolvent in the ethanolysis of cold-pressed black mustard (Brassica nigra L.) seed oil catalyzed by either calcined or non-calcined CaO. The reaction was carried out in a batch stirred reactor under the following conditions: the temperature of 70 °C, the ethanol-to-oil molar ratio of 12:1, and the amount of DES and CaO of 20 and 10 wt.% (to oil), respectively. The presence of DES accelerated the reaction, while the separation of the final reaction mixture phases was faster.",
publisher = "Belgrade : Association of the Chemical Engineers of Serbia",
journal = "Hemijska industrija",
title = "Effects of temperature on physicochemical properties of the lecithin based deep eutectic solvents and their use in the CaO-catalyzed transesterification",
pages = "53-67",
volume = "77",
number = "1",
doi = "10.2298/HEMIND220527016T",
url = "https://hdl.handle.net/21.15107/rcub_dais_15139"
}

Todorović, Z., Đorđević, B., Troter, D., Veselinović, L., Zdujić, M.,& Veljković, V.. (2023). Effects of temperature on physicochemical properties of the lecithin based deep eutectic solvents and their use in the CaO-catalyzed transesterification. in Hemijska industrija
Belgrade : Association of the Chemical Engineers of Serbia., 77(1), 53-67.
https://doi.org/10.2298/HEMIND220527016T
https://hdl.handle.net/21.15107/rcub_dais_15139

Todorović Z, Đorđević B, Troter D, Veselinović L, Zdujić M, Veljković V. Effects of temperature on physicochemical properties of the lecithin based deep eutectic solvents and their use in the CaO-catalyzed transesterification. in Hemijska industrija. 2023;77(1):53-67.
doi:10.2298/HEMIND220527016T
https://hdl.handle.net/21.15107/rcub_dais_15139 .

Todorović, Zoran, Đorđević, Biljana, Troter, Dragan, Veselinović, Ljiljana, Zdujić, Miodrag, Veljković, Vlada, "Effects of temperature on physicochemical properties of the lecithin based deep eutectic solvents and their use in the CaO-catalyzed transesterification" in Hemijska industrija, 77, no. 1 (2023):53-67,
https://doi.org/10.2298/HEMIND220527016T .,
https://hdl.handle.net/21.15107/rcub_dais_15139 .

TY  - JOUR
AU  - Đorđević, Biljana S.
AU  - Kostić, Milan
AU  - Todorović, Zoran
AU  - Stamenković, Olivera
AU  - Veselinović, Ljiljana
AU  - Veljković, Vlada
PY  - 2023
UR  - https://dais.sanu.ac.rs/123456789/15142
AB  - The application of triethanolamine (TEOA)-based deep eutectic solvents (DESs) with glycerol (G), propylene glycol (PEG), 1,3-dimethylurea (DMU), ethylene glycol (EG), menthol (M), oleic acid (OLA), decanoic acid (DEA), and choline chloride (ChCl) (1:1, 1:2 or 2:1 mol/mol) in the CaO-catalyzed black mustard seed oil (BMSO) ethanolysis was studied. The ethanolysis was performed at 70 ºC, 12:1 ethanol-to-oil molar ratio, 20% DES, and 10% CaO (to BMSO). It was accelerated by the DESs with G, PEG, ChCl, DMU, M, and DEA and resulted in a higher fatty acid ethyl ester (FAEE) content (≥95.2 ± 0.6%) in 15 min than the control reaction. The TEOA:ChCl DES was most effective, providing within only 1.5 min an FAEE content of about 98.5%. With the TEOA:M and TEOA:PEG DESs, the FAEE content of over 91% was achieved for this time. Furthermore, the final product separation was achieved faster with all the applied DES than in the control reaction. With the TEOA:M and TEOA:ChCl DESs, separation was achieved immediately after the stopping of mixing and for 1 min, respectively. Two kinetic models were used for modeling the BMSO ethanolysis over CaO assisted by the TEOA:ChCl DES. The CaO reusability in three runs exceeded the FAEE content of 90%.
PB  - Elsevier BV
T2  - Chemical Engineering Research and Design
T1  - Triethanolamine-based deep eutectic solvents as cosolvents in biodiesel production from black mustard (Brassica nigra L.) seed oil
SP  - 526
EP  - 536
VL  - 195
DO  - 10.1016/j.cherd.2023.06.016
UR  - https://hdl.handle.net/21.15107/rcub_dais_15142
ER  - 

@article{
author = "Đorđević, Biljana S. and Kostić, Milan and Todorović, Zoran and Stamenković, Olivera and Veselinović, Ljiljana and Veljković, Vlada",
year = "2023",
abstract = "The application of triethanolamine (TEOA)-based deep eutectic solvents (DESs) with glycerol (G), propylene glycol (PEG), 1,3-dimethylurea (DMU), ethylene glycol (EG), menthol (M), oleic acid (OLA), decanoic acid (DEA), and choline chloride (ChCl) (1:1, 1:2 or 2:1 mol/mol) in the CaO-catalyzed black mustard seed oil (BMSO) ethanolysis was studied. The ethanolysis was performed at 70 ºC, 12:1 ethanol-to-oil molar ratio, 20% DES, and 10% CaO (to BMSO). It was accelerated by the DESs with G, PEG, ChCl, DMU, M, and DEA and resulted in a higher fatty acid ethyl ester (FAEE) content (≥95.2 ± 0.6%) in 15 min than the control reaction. The TEOA:ChCl DES was most effective, providing within only 1.5 min an FAEE content of about 98.5%. With the TEOA:M and TEOA:PEG DESs, the FAEE content of over 91% was achieved for this time. Furthermore, the final product separation was achieved faster with all the applied DES than in the control reaction. With the TEOA:M and TEOA:ChCl DESs, separation was achieved immediately after the stopping of mixing and for 1 min, respectively. Two kinetic models were used for modeling the BMSO ethanolysis over CaO assisted by the TEOA:ChCl DES. The CaO reusability in three runs exceeded the FAEE content of 90%.",
publisher = "Elsevier BV",
journal = "Chemical Engineering Research and Design",
title = "Triethanolamine-based deep eutectic solvents as cosolvents in biodiesel production from black mustard (Brassica nigra L.) seed oil",
pages = "526-536",
volume = "195",
doi = "10.1016/j.cherd.2023.06.016",
url = "https://hdl.handle.net/21.15107/rcub_dais_15142"
}

Đorđević, B. S., Kostić, M., Todorović, Z., Stamenković, O., Veselinović, L.,& Veljković, V.. (2023). Triethanolamine-based deep eutectic solvents as cosolvents in biodiesel production from black mustard (Brassica nigra L.) seed oil. in Chemical Engineering Research and Design
Elsevier BV., 195, 526-536.
https://doi.org/10.1016/j.cherd.2023.06.016
https://hdl.handle.net/21.15107/rcub_dais_15142

Đorđević BS, Kostić M, Todorović Z, Stamenković O, Veselinović L, Veljković V. Triethanolamine-based deep eutectic solvents as cosolvents in biodiesel production from black mustard (Brassica nigra L.) seed oil. in Chemical Engineering Research and Design. 2023;195:526-536.
doi:10.1016/j.cherd.2023.06.016
https://hdl.handle.net/21.15107/rcub_dais_15142 .

Đorđević, Biljana S., Kostić, Milan, Todorović, Zoran, Stamenković, Olivera, Veselinović, Ljiljana, Veljković, Vlada, "Triethanolamine-based deep eutectic solvents as cosolvents in biodiesel production from black mustard (Brassica nigra L.) seed oil" in Chemical Engineering Research and Design, 195 (2023):526-536,
https://doi.org/10.1016/j.cherd.2023.06.016 .,
https://hdl.handle.net/21.15107/rcub_dais_15142 .

TY  - CONF
AU  - Aleksić, Katarina
AU  - Stanković, Ana
AU  - Veselinović, Ljiljana
AU  - Škapin, Srečo
AU  - Stojković Simatović, Ivana
AU  - Marković, Smilja
PY  - 2023
UR  - https://dais.sanu.ac.rs/123456789/15853
AB  - The increasing demand for efficient catalysts has raised concerns about the limited availability and high cost of platinum group metal (PGM) catalysts. Ruthenium dioxide (RuO2) has shown remarkable catalytic activity; however, its extensive use is hindered by its high cost. To tackle this challenge, we investigated the utilization of zinc oxide (ZnO) as a promising alternative to reduce reliance on expensive RuO2 catalysts while maintaining catalytic performance by synthesizing ZnO/RuO2 composites in various mass ratios (1:1, 2:1, 10:1) through microwave processing of a precipitate, followed by calcination at temperatures of 300 and 600 °C. The crystallinity and phase purity of the particles were analyzed using Xray powder diffraction (XRD) and Raman spectroscopy. Surface chemistry was examined by Fourier-transform infrared (FTIR) spectroscopy. Field emission scanning electron microscopy was employed to investigate the morphology and particle size. Photoluminescence and UVVis diffuse reflectance spectroscopy were utilized for analyzing the optical properties. The electrocatalytic activity of the materials were evaluated via linear sweep voltammetry in both acidic (0.1 M H2SO4) and alkaline (0.1 M NaOH) electrolytes. The ZnO/RuO2 composites exhibited outstanding catalytic performance for both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) in both types of electrolytes.
PB  - Belgrade : Serbian Ceramic Society
C3  - Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application XI New Frontiers in Multifunctional Material Science and Processing, Serbian Academy of Sciences and Art Serbia, Belgrade,18-20.September 2023
T1  - Tailoring the ZnO/RuO2 ratio in composite electrocatalysts for efficient HER and OER
SP  - 62
EP  - 62
UR  - https://hdl.handle.net/21.15107/rcub_dais_15853
ER  - 

@conference{
author = "Aleksić, Katarina and Stanković, Ana and Veselinović, Ljiljana and Škapin, Srečo and Stojković Simatović, Ivana and Marković, Smilja",
year = "2023",
abstract = "The increasing demand for efficient catalysts has raised concerns about the limited availability and high cost of platinum group metal (PGM) catalysts. Ruthenium dioxide (RuO2) has shown remarkable catalytic activity; however, its extensive use is hindered by its high cost. To tackle this challenge, we investigated the utilization of zinc oxide (ZnO) as a promising alternative to reduce reliance on expensive RuO2 catalysts while maintaining catalytic performance by synthesizing ZnO/RuO2 composites in various mass ratios (1:1, 2:1, 10:1) through microwave processing of a precipitate, followed by calcination at temperatures of 300 and 600 °C. The crystallinity and phase purity of the particles were analyzed using Xray powder diffraction (XRD) and Raman spectroscopy. Surface chemistry was examined by Fourier-transform infrared (FTIR) spectroscopy. Field emission scanning electron microscopy was employed to investigate the morphology and particle size. Photoluminescence and UVVis diffuse reflectance spectroscopy were utilized for analyzing the optical properties. The electrocatalytic activity of the materials were evaluated via linear sweep voltammetry in both acidic (0.1 M H2SO4) and alkaline (0.1 M NaOH) electrolytes. The ZnO/RuO2 composites exhibited outstanding catalytic performance for both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) in both types of electrolytes.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application XI New Frontiers in Multifunctional Material Science and Processing, Serbian Academy of Sciences and Art Serbia, Belgrade,18-20.September 2023",
title = "Tailoring the ZnO/RuO2 ratio in composite electrocatalysts for efficient HER and OER",
pages = "62-62",
url = "https://hdl.handle.net/21.15107/rcub_dais_15853"
}

Aleksić, K., Stanković, A., Veselinović, L., Škapin, S., Stojković Simatović, I.,& Marković, S.. (2023). Tailoring the ZnO/RuO2 ratio in composite electrocatalysts for efficient HER and OER. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application XI New Frontiers in Multifunctional Material Science and Processing, Serbian Academy of Sciences and Art Serbia, Belgrade,18-20.September 2023
Belgrade : Serbian Ceramic Society., 62-62.
https://hdl.handle.net/21.15107/rcub_dais_15853

Aleksić K, Stanković A, Veselinović L, Škapin S, Stojković Simatović I, Marković S. Tailoring the ZnO/RuO2 ratio in composite electrocatalysts for efficient HER and OER. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application XI New Frontiers in Multifunctional Material Science and Processing, Serbian Academy of Sciences and Art Serbia, Belgrade,18-20.September 2023. 2023;:62-62.
https://hdl.handle.net/21.15107/rcub_dais_15853 .

Aleksić, Katarina, Stanković, Ana, Veselinović, Ljiljana, Škapin, Srečo, Stojković Simatović, Ivana, Marković, Smilja, "Tailoring the ZnO/RuO2 ratio in composite electrocatalysts for efficient HER and OER" in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application XI New Frontiers in Multifunctional Material Science and Processing, Serbian Academy of Sciences and Art Serbia, Belgrade,18-20.September 2023 (2023):62-62,
https://hdl.handle.net/21.15107/rcub_dais_15853 .

TY  - GEN
AU  - Troter, Dragan
AU  - Todorović, Zoran
AU  - Veličković, Ana V.
AU  - Avramović, Jelena M.
AU  - Stamenković, Olivera
AU  - Veselinović, Ljiljana
AU  - Veljković, Vlada
PY  - 2023
UR  - https://dais.sanu.ac.rs/123456789/15264
AB  - Tehnološki postupak dobijanja metil-estara masnih kiselina iz suncokretovog ulja u prisustvu sirovog biodizela kao kosolventa i CaO kao katalizatora testiran je na laboratorijskom nivou. Istraživanje je urađeno radi validacije tehnološkog procesa, određivanja prinosa i sastava MEMK, kao i mogućnosti ponovnog korišćenja izdvojenog katalizatora u reakciji, bez ikakvog dodatnog tretmana prečišćavanja ili kalcnacije. Definisan tehnološki postupak je šaržnog tipa i obuhvata sedam faza jednog ciklusa: aktivacija katalizatora, metanoliza suncokretovog ulja, izdvajanje katalizatora centrifugiranjem, uparivanje metil-estarske faze (tj. sirovog biodizela) i sušenje biodizela.
PB  - Niš : Univerzitet u Nišu, Tehnološki fakultet u Leskovcu
T1  - Tehnološki postupak dobijanja metil-estara masnih kiselina iz suncokretovog ulja u prisustvu sirovog biodizela kao kosolventa i kalcijum-oksida kao katalizatora : tehničko rešenje
UR  - https://hdl.handle.net/21.15107/rcub_dais_15264
ER  - 

@misc{
author = "Troter, Dragan and Todorović, Zoran and Veličković, Ana V. and Avramović, Jelena M. and Stamenković, Olivera and Veselinović, Ljiljana and Veljković, Vlada",
year = "2023",
abstract = "Tehnološki postupak dobijanja metil-estara masnih kiselina iz suncokretovog ulja u prisustvu sirovog biodizela kao kosolventa i CaO kao katalizatora testiran je na laboratorijskom nivou. Istraživanje je urađeno radi validacije tehnološkog procesa, određivanja prinosa i sastava MEMK, kao i mogućnosti ponovnog korišćenja izdvojenog katalizatora u reakciji, bez ikakvog dodatnog tretmana prečišćavanja ili kalcnacije. Definisan tehnološki postupak je šaržnog tipa i obuhvata sedam faza jednog ciklusa: aktivacija katalizatora, metanoliza suncokretovog ulja, izdvajanje katalizatora centrifugiranjem, uparivanje metil-estarske faze (tj. sirovog biodizela) i sušenje biodizela.",
publisher = "Niš : Univerzitet u Nišu, Tehnološki fakultet u Leskovcu",
title = "Tehnološki postupak dobijanja metil-estara masnih kiselina iz suncokretovog ulja u prisustvu sirovog biodizela kao kosolventa i kalcijum-oksida kao katalizatora : tehničko rešenje",
url = "https://hdl.handle.net/21.15107/rcub_dais_15264"
}

Troter, D., Todorović, Z., Veličković, A. V., Avramović, J. M., Stamenković, O., Veselinović, L.,& Veljković, V.. (2023). Tehnološki postupak dobijanja metil-estara masnih kiselina iz suncokretovog ulja u prisustvu sirovog biodizela kao kosolventa i kalcijum-oksida kao katalizatora : tehničko rešenje. 
Niš : Univerzitet u Nišu, Tehnološki fakultet u Leskovcu..
https://hdl.handle.net/21.15107/rcub_dais_15264

Troter D, Todorović Z, Veličković AV, Avramović JM, Stamenković O, Veselinović L, Veljković V. Tehnološki postupak dobijanja metil-estara masnih kiselina iz suncokretovog ulja u prisustvu sirovog biodizela kao kosolventa i kalcijum-oksida kao katalizatora : tehničko rešenje. 2023;.
https://hdl.handle.net/21.15107/rcub_dais_15264 .

Troter, Dragan, Todorović, Zoran, Veličković, Ana V., Avramović, Jelena M., Stamenković, Olivera, Veselinović, Ljiljana, Veljković, Vlada, "Tehnološki postupak dobijanja metil-estara masnih kiselina iz suncokretovog ulja u prisustvu sirovog biodizela kao kosolventa i kalcijum-oksida kao katalizatora : tehničko rešenje" (2023),
https://hdl.handle.net/21.15107/rcub_dais_15264 .

TY  - CONF
AU  - Rajić, Vladimir
AU  - Marković, Smilja
AU  - Popović, M.
AU  - Novaković, M.
AU  - Veselinović, Ljiljana
AU  - Stojković Simatović, Ivana
AU  - Škapin, Srečo Davor
AU  - Stojadinović, S.
AU  - Rac, Vladislav
PY  - 2023
UR  - https://dais.sanu.ac.rs/123456789/14868
AB  - Zink oxide-based materials have a great potential to be applied in photo and electro catalysts, opto-electronic (indoor illumination, LED), etc. Attractiveness of ZnO is attributed to wide bandgap energy at room temperature (3.37 eV), high electron mobility and transfer efficiency (115-155 cm2·V-1·s-1), large exciton binding energy (60 meV), intrinsic stability, nontoxicity, environmental compatibility and also, simple and not expensive synthesis procedure. A lot of different approaches can be used to modify the bandgap (i.e. optical absorption) of ZnO materials: metal and nonmetal ion doping, hydrogenation, the incorporation of crystalline defects in the form of V and I, modification of particles morphology and surface topology, etc.
In this study, eco-friendly and rapid microwave processing of a precipitate was used to produce Fe-doped ZnO nanoparticles with 5, 10, 15 and 20 at.% of Fe (Zn1-xFeyO(1-x+1.5y)). The influence of different amount of Fe substituted Zn in ZnO on the crystal structure, morphological, textural, and optical properties as well as on functionality of ZnO particles was investigated. The crystal structure and phase purity of the Zn1-xFeyO(1-x+1.5y) particles were determined by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). Effects of the Fe3+ amount on particles morphology and texture properties were observed with field emission scanning electron microscopy (FE–SEM), transmission electron microscopy (TEM) and nitrogen adsorption–desorption isotherm, respectively. Optical properties were studied using UV-Vis diffuse reflectance and photoluminescence spectroscopy. Functionality of ZnO particles was studied due to their photocatalytic and electrochemical activities. Photocatalytic activity was examined via decolorization of methylene blue under direct sunlight irradiation. Electrochemical behavior of the ZnO samples as anode material was evaluated by linear sweep voltammetry in 0.5 M Na2SO4 electrolyte.
PB  - Belgrade : Vinča Institute of Nuclear Sciences – National Institute of the Republic of Serbia, University of Belgrade
C3  - Book of abstracts / IX International School and Conference on Photonics PHOTONICA2023 with joint events: Understanding interaction light - biological surfaces possibility for new electronic materials and devices & Biological and bioinspired structures for multispectral surveillance & Quantum sensing integration within microfluidic Lab-on-a Chips for biomedical applications, August 28 - September 01, 2023, Belgrade, Serbia
T1  - Crystal structure, optical properties and photo/electrocatalytic activity of nanostructured Zn1-xFeyO(1-x+1.5y)
SP  - 34
EP  - 34
UR  - https://hdl.handle.net/21.15107/rcub_dais_14868
ER  - 

@conference{
author = "Rajić, Vladimir and Marković, Smilja and Popović, M. and Novaković, M. and Veselinović, Ljiljana and Stojković Simatović, Ivana and Škapin, Srečo Davor and Stojadinović, S. and Rac, Vladislav",
year = "2023",
abstract = "Zink oxide-based materials have a great potential to be applied in photo and electro catalysts, opto-electronic (indoor illumination, LED), etc. Attractiveness of ZnO is attributed to wide bandgap energy at room temperature (3.37 eV), high electron mobility and transfer efficiency (115-155 cm2·V-1·s-1), large exciton binding energy (60 meV), intrinsic stability, nontoxicity, environmental compatibility and also, simple and not expensive synthesis procedure. A lot of different approaches can be used to modify the bandgap (i.e. optical absorption) of ZnO materials: metal and nonmetal ion doping, hydrogenation, the incorporation of crystalline defects in the form of V and I, modification of particles morphology and surface topology, etc.
In this study, eco-friendly and rapid microwave processing of a precipitate was used to produce Fe-doped ZnO nanoparticles with 5, 10, 15 and 20 at.% of Fe (Zn1-xFeyO(1-x+1.5y)). The influence of different amount of Fe substituted Zn in ZnO on the crystal structure, morphological, textural, and optical properties as well as on functionality of ZnO particles was investigated. The crystal structure and phase purity of the Zn1-xFeyO(1-x+1.5y) particles were determined by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). Effects of the Fe3+ amount on particles morphology and texture properties were observed with field emission scanning electron microscopy (FE–SEM), transmission electron microscopy (TEM) and nitrogen adsorption–desorption isotherm, respectively. Optical properties were studied using UV-Vis diffuse reflectance and photoluminescence spectroscopy. Functionality of ZnO particles was studied due to their photocatalytic and electrochemical activities. Photocatalytic activity was examined via decolorization of methylene blue under direct sunlight irradiation. Electrochemical behavior of the ZnO samples as anode material was evaluated by linear sweep voltammetry in 0.5 M Na2SO4 electrolyte.",
publisher = "Belgrade : Vinča Institute of Nuclear Sciences – National Institute of the Republic of Serbia, University of Belgrade",
journal = "Book of abstracts / IX International School and Conference on Photonics PHOTONICA2023 with joint events: Understanding interaction light - biological surfaces possibility for new electronic materials and devices & Biological and bioinspired structures for multispectral surveillance & Quantum sensing integration within microfluidic Lab-on-a Chips for biomedical applications, August 28 - September 01, 2023, Belgrade, Serbia",
title = "Crystal structure, optical properties and photo/electrocatalytic activity of nanostructured Zn1-xFeyO(1-x+1.5y)",
pages = "34-34",
url = "https://hdl.handle.net/21.15107/rcub_dais_14868"
}

Rajić, V., Marković, S., Popović, M., Novaković, M., Veselinović, L., Stojković Simatović, I., Škapin, S. D., Stojadinović, S.,& Rac, V.. (2023). Crystal structure, optical properties and photo/electrocatalytic activity of nanostructured Zn1-xFeyO(1-x+1.5y). in Book of abstracts / IX International School and Conference on Photonics PHOTONICA2023 with joint events: Understanding interaction light - biological surfaces possibility for new electronic materials and devices & Biological and bioinspired structures for multispectral surveillance & Quantum sensing integration within microfluidic Lab-on-a Chips for biomedical applications, August 28 - September 01, 2023, Belgrade, Serbia
Belgrade : Vinča Institute of Nuclear Sciences – National Institute of the Republic of Serbia, University of Belgrade., 34-34.
https://hdl.handle.net/21.15107/rcub_dais_14868

Rajić V, Marković S, Popović M, Novaković M, Veselinović L, Stojković Simatović I, Škapin SD, Stojadinović S, Rac V. Crystal structure, optical properties and photo/electrocatalytic activity of nanostructured Zn1-xFeyO(1-x+1.5y). in Book of abstracts / IX International School and Conference on Photonics PHOTONICA2023 with joint events: Understanding interaction light - biological surfaces possibility for new electronic materials and devices & Biological and bioinspired structures for multispectral surveillance & Quantum sensing integration within microfluidic Lab-on-a Chips for biomedical applications, August 28 - September 01, 2023, Belgrade, Serbia. 2023;:34-34.
https://hdl.handle.net/21.15107/rcub_dais_14868 .

Rajić, Vladimir, Marković, Smilja, Popović, M., Novaković, M., Veselinović, Ljiljana, Stojković Simatović, Ivana, Škapin, Srečo Davor, Stojadinović, S., Rac, Vladislav, "Crystal structure, optical properties and photo/electrocatalytic activity of nanostructured Zn1-xFeyO(1-x+1.5y)" in Book of abstracts / IX International School and Conference on Photonics PHOTONICA2023 with joint events: Understanding interaction light - biological surfaces possibility for new electronic materials and devices & Biological and bioinspired structures for multispectral surveillance & Quantum sensing integration within microfluidic Lab-on-a Chips for biomedical applications, August 28 - September 01, 2023, Belgrade, Serbia (2023):34-34,
https://hdl.handle.net/21.15107/rcub_dais_14868 .

TY  - CONF
AU  - Marković, Smilja
AU  - Stanković, Ana
AU  - Aleksić, Katarina
AU  - Veselinović, Ljiljana
AU  - Stojković Simatović, Ivana
PY  - 2023
UR  - https://dais.sanu.ac.rs/123456789/15154
AB  - Due to their tunable multifunctional properties zinc oxide (ZnO) based materials have attracted extensive scientific and technological attention. Since they combine different properties such as electrochemical activities, chemical and photochemical stability, nontoxicity, biocompatibility, etc. ZnO-based materials have been used in electronics, optoelectronics, biosensing, bioimaging, drug and gene delivery, implants, antimicrobial and anticancer agents. Successful application of ZnO as photoelectrocatalysts arises from its wide band gap (3.37 eV) which can be easily adjusted by different approaches such as: metal and non-metal ion doping, hydrogenation, introducing of crystalline defects, modifying particle morphology and surface chemistry. During the years, to synthesize zinc oxide (ZnO) nanoparticles with improved visible light absorption we have used a fast and environmentally-friendly microwave processing of a precipitate which enable formation of crystalline defects. To further enhance photo(electro)catalytic properties we have employed approaches such as: (1) the incorporation of iron ions into the crystal structure (Zn1-xFexO), (2) sensitization of the particles’ surface with cetyltrimethylammonium bromide, Pluronic F127 and polyethylene oxide, and (3) composites with ruthenium oxide (ZnO/RuO2) and graphene oxide (ZnO/GO and ZnO/rGO). To correlate structural and functional properties, prepared materials were characterized using XRD, FTIR, Raman, UV-Vis DRS, and PL spectroscopy, also FESEM; photocatalytic activity of the samples were tested toward decolorization of methylene blue, while their photoelectrochemical activity for water splitting were tested through linear sweep voltammetry in different electrolytes.
PB  - Belgrade : Serbian Ceramic Society
C3  - Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application XI New Frontiers in Multifunctional Material Science and Processing, Serbian Academy of Sciences and Art Serbia, Belgrade,18-20.September 2023.
T1  - Approaches to improve photo(electro)catalytic properties of ZnO-based materials
SP  - 68
EP  - 69
UR  - https://hdl.handle.net/21.15107/rcub_dais_15154
ER  - 

@conference{
author = "Marković, Smilja and Stanković, Ana and Aleksić, Katarina and Veselinović, Ljiljana and Stojković Simatović, Ivana",
year = "2023",
abstract = "Due to their tunable multifunctional properties zinc oxide (ZnO) based materials have attracted extensive scientific and technological attention. Since they combine different properties such as electrochemical activities, chemical and photochemical stability, nontoxicity, biocompatibility, etc. ZnO-based materials have been used in electronics, optoelectronics, biosensing, bioimaging, drug and gene delivery, implants, antimicrobial and anticancer agents. Successful application of ZnO as photoelectrocatalysts arises from its wide band gap (3.37 eV) which can be easily adjusted by different approaches such as: metal and non-metal ion doping, hydrogenation, introducing of crystalline defects, modifying particle morphology and surface chemistry. During the years, to synthesize zinc oxide (ZnO) nanoparticles with improved visible light absorption we have used a fast and environmentally-friendly microwave processing of a precipitate which enable formation of crystalline defects. To further enhance photo(electro)catalytic properties we have employed approaches such as: (1) the incorporation of iron ions into the crystal structure (Zn1-xFexO), (2) sensitization of the particles’ surface with cetyltrimethylammonium bromide, Pluronic F127 and polyethylene oxide, and (3) composites with ruthenium oxide (ZnO/RuO2) and graphene oxide (ZnO/GO and ZnO/rGO). To correlate structural and functional properties, prepared materials were characterized using XRD, FTIR, Raman, UV-Vis DRS, and PL spectroscopy, also FESEM; photocatalytic activity of the samples were tested toward decolorization of methylene blue, while their photoelectrochemical activity for water splitting were tested through linear sweep voltammetry in different electrolytes.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application XI New Frontiers in Multifunctional Material Science and Processing, Serbian Academy of Sciences and Art Serbia, Belgrade,18-20.September 2023.",
title = "Approaches to improve photo(electro)catalytic properties of ZnO-based materials",
pages = "68-69",
url = "https://hdl.handle.net/21.15107/rcub_dais_15154"
}

Marković, S., Stanković, A., Aleksić, K., Veselinović, L.,& Stojković Simatović, I.. (2023). Approaches to improve photo(electro)catalytic properties of ZnO-based materials. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application XI New Frontiers in Multifunctional Material Science and Processing, Serbian Academy of Sciences and Art Serbia, Belgrade,18-20.September 2023.
Belgrade : Serbian Ceramic Society., 68-69.
https://hdl.handle.net/21.15107/rcub_dais_15154

Marković S, Stanković A, Aleksić K, Veselinović L, Stojković Simatović I. Approaches to improve photo(electro)catalytic properties of ZnO-based materials. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application XI New Frontiers in Multifunctional Material Science and Processing, Serbian Academy of Sciences and Art Serbia, Belgrade,18-20.September 2023.. 2023;:68-69.
https://hdl.handle.net/21.15107/rcub_dais_15154 .

Marković, Smilja, Stanković, Ana, Aleksić, Katarina, Veselinović, Ljiljana, Stojković Simatović, Ivana, "Approaches to improve photo(electro)catalytic properties of ZnO-based materials" in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application XI New Frontiers in Multifunctional Material Science and Processing, Serbian Academy of Sciences and Art Serbia, Belgrade,18-20.September 2023. (2023):68-69,
https://hdl.handle.net/21.15107/rcub_dais_15154 .

TY  - JOUR
AU  - Aleksić, Katarina
AU  - Stojković Simatović, Ivana
AU  - Stanković, Ana
AU  - Veselinović, Ljiljana
AU  - Stojadinović, Stevan
AU  - Rac, Vladislav
AU  - Radmilović, Nadežda
AU  - Rajić, Vladimir
AU  - Škapin, Srečo Davor
AU  - Mančić, Lidija
AU  - Marković, Smilja
PY  - 2023
UR  - https://dais.sanu.ac.rs/123456789/14554
AB  - Catalytic materials are the greatest challenge for the commercial application of water electrolysis (WEs) and fuel cells (FCs) as clean energy technologies. There is a need to find an alternative to expensive and unavailable platinum group metal (PGM) catalysts. This study aimed to reduce the cost of PGM materials by replacing Ru with RuO2 and lowering the amount of RuO2 by adding abundant and multifunctional ZnO. A ZnO@RuO2 composite in a 10:1 molar ratio was synthesized by microwave processing of a precipitate as a green, low-cost, and fast method, and then annealed at 300°C and 600°C to improve the catalytic properties. The physicochemical properties of the ZnO@RuO2 composites were investigated by X-ray powder diffraction (XRD), Raman and Fourier transform infrared (FTIR) spectroscopy, field emission scanning electron microscopy (FESEM), UV-Vis diffuse reflectance spectroscopy (DRS), and photoluminescence (PL) spectroscopy. The electrochemical activity of the samples was investigated by linear sweep voltammetry in acidic and alkaline electrolytes. We observed good bifunctional catalytic activity of the ZnO@RuO2 composites toward HER and OER in both electrolytes. The improved bifunctional catalytic activity of the ZnO@RuO2 composite by annealing was discussed and attributed to the reduced number of bulk oxygen vacancies and the increased number of established heterojunctions.
PB  - Frontiers Media SA
T2  - Frontiers in Chemistry
T1  - Enhancement of ZnO@RuO2 bifunctional photo-electro catalytic activity toward water splitting
VL  - 11
DO  - 10.3389/fchem.2023.1173910
UR  - https://hdl.handle.net/21.15107/rcub_dais_14554
ER  - 

@article{
author = "Aleksić, Katarina and Stojković Simatović, Ivana and Stanković, Ana and Veselinović, Ljiljana and Stojadinović, Stevan and Rac, Vladislav and Radmilović, Nadežda and Rajić, Vladimir and Škapin, Srečo Davor and Mančić, Lidija and Marković, Smilja",
year = "2023",
abstract = "Catalytic materials are the greatest challenge for the commercial application of water electrolysis (WEs) and fuel cells (FCs) as clean energy technologies. There is a need to find an alternative to expensive and unavailable platinum group metal (PGM) catalysts. This study aimed to reduce the cost of PGM materials by replacing Ru with RuO2 and lowering the amount of RuO2 by adding abundant and multifunctional ZnO. A ZnO@RuO2 composite in a 10:1 molar ratio was synthesized by microwave processing of a precipitate as a green, low-cost, and fast method, and then annealed at 300°C and 600°C to improve the catalytic properties. The physicochemical properties of the ZnO@RuO2 composites were investigated by X-ray powder diffraction (XRD), Raman and Fourier transform infrared (FTIR) spectroscopy, field emission scanning electron microscopy (FESEM), UV-Vis diffuse reflectance spectroscopy (DRS), and photoluminescence (PL) spectroscopy. The electrochemical activity of the samples was investigated by linear sweep voltammetry in acidic and alkaline electrolytes. We observed good bifunctional catalytic activity of the ZnO@RuO2 composites toward HER and OER in both electrolytes. The improved bifunctional catalytic activity of the ZnO@RuO2 composite by annealing was discussed and attributed to the reduced number of bulk oxygen vacancies and the increased number of established heterojunctions.",
publisher = "Frontiers Media SA",
journal = "Frontiers in Chemistry",
title = "Enhancement of ZnO@RuO2 bifunctional photo-electro catalytic activity toward water splitting",
volume = "11",
doi = "10.3389/fchem.2023.1173910",
url = "https://hdl.handle.net/21.15107/rcub_dais_14554"
}

Aleksić, K., Stojković Simatović, I., Stanković, A., Veselinović, L., Stojadinović, S., Rac, V., Radmilović, N., Rajić, V., Škapin, S. D., Mančić, L.,& Marković, S.. (2023). Enhancement of ZnO@RuO2 bifunctional photo-electro catalytic activity toward water splitting. in Frontiers in Chemistry
Frontiers Media SA., 11.
https://doi.org/10.3389/fchem.2023.1173910
https://hdl.handle.net/21.15107/rcub_dais_14554

Aleksić K, Stojković Simatović I, Stanković A, Veselinović L, Stojadinović S, Rac V, Radmilović N, Rajić V, Škapin SD, Mančić L, Marković S. Enhancement of ZnO@RuO2 bifunctional photo-electro catalytic activity toward water splitting. in Frontiers in Chemistry. 2023;11.
doi:10.3389/fchem.2023.1173910
https://hdl.handle.net/21.15107/rcub_dais_14554 .

Aleksić, Katarina, Stojković Simatović, Ivana, Stanković, Ana, Veselinović, Ljiljana, Stojadinović, Stevan, Rac, Vladislav, Radmilović, Nadežda, Rajić, Vladimir, Škapin, Srečo Davor, Mančić, Lidija, Marković, Smilja, "Enhancement of ZnO@RuO2 bifunctional photo-electro catalytic activity toward water splitting" in Frontiers in Chemistry, 11 (2023),
https://doi.org/10.3389/fchem.2023.1173910 .,
https://hdl.handle.net/21.15107/rcub_dais_14554 .

TY  - DATA
AU  - Vuković, Marina
AU  - Dinić, Ivana
AU  - Jardim, Paula
AU  - Marković, Smilja
AU  - Veselinović, Ljiljana
AU  - Nikolić, Marko
AU  - Mančić, Lidija
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/12819
AB  - Figure S1. XRPD data and refined patterns of the obtained samples; Figure S2. Typical spectrum of FT-IR analysis; Figure S3. XRPD of samples obtained through sonochemical synthesis after DSC analysis; Figure S4: Simulated electron diffraction pattern of β NaYF4:Yb,Er hexagonal [-111] zone axis  compared with experimental SAED; Figure S5: Simulated electron diffraction pattern of β NaYF4:Yb,Er hexagonal [2-10] zone axis  compared with experimental SAED
PB  - Elsevier BV
T2  - Advanced Powder Technology
T1  - Supplementary information for the article: Vuković, Marina, Dinić, Ivana, Jardim, Paula, Marković, Smilja, Veselinović, Ljiljana, Nikolić, Marko, Mančić, Lidija, "The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals" in Advanced Powder Technology, 33, no. 2 (2022):103403, https://doi.org/10.1016/j.apt.2021.103403
VL  - 33
IS  - 2
UR  - https://hdl.handle.net/21.15107/rcub_dais_12819
ER  - 

@misc{
author = "Vuković, Marina and Dinić, Ivana and Jardim, Paula and Marković, Smilja and Veselinović, Ljiljana and Nikolić, Marko and Mančić, Lidija",
year = "2022",
abstract = "Figure S1. XRPD data and refined patterns of the obtained samples; Figure S2. Typical spectrum of FT-IR analysis; Figure S3. XRPD of samples obtained through sonochemical synthesis after DSC analysis; Figure S4: Simulated electron diffraction pattern of β NaYF4:Yb,Er hexagonal [-111] zone axis  compared with experimental SAED; Figure S5: Simulated electron diffraction pattern of β NaYF4:Yb,Er hexagonal [2-10] zone axis  compared with experimental SAED",
publisher = "Elsevier BV",
journal = "Advanced Powder Technology",
title = "Supplementary information for the article: Vuković, Marina, Dinić, Ivana, Jardim, Paula, Marković, Smilja, Veselinović, Ljiljana, Nikolić, Marko, Mančić, Lidija, "The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals" in Advanced Powder Technology, 33, no. 2 (2022):103403, https://doi.org/10.1016/j.apt.2021.103403",
volume = "33",
number = "2",
url = "https://hdl.handle.net/21.15107/rcub_dais_12819"
}

Vuković, M., Dinić, I., Jardim, P., Marković, S., Veselinović, L., Nikolić, M.,& Mančić, L.. (2022). Supplementary information for the article: Vuković, Marina, Dinić, Ivana, Jardim, Paula, Marković, Smilja, Veselinović, Ljiljana, Nikolić, Marko, Mančić, Lidija, "The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals" in Advanced Powder Technology, 33, no. 2 (2022):103403, https://doi.org/10.1016/j.apt.2021.103403. in Advanced Powder Technology
Elsevier BV., 33(2).
https://hdl.handle.net/21.15107/rcub_dais_12819

Vuković M, Dinić I, Jardim P, Marković S, Veselinović L, Nikolić M, Mančić L. Supplementary information for the article: Vuković, Marina, Dinić, Ivana, Jardim, Paula, Marković, Smilja, Veselinović, Ljiljana, Nikolić, Marko, Mančić, Lidija, "The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals" in Advanced Powder Technology, 33, no. 2 (2022):103403, https://doi.org/10.1016/j.apt.2021.103403. in Advanced Powder Technology. 2022;33(2).
https://hdl.handle.net/21.15107/rcub_dais_12819 .

Vuković, Marina, Dinić, Ivana, Jardim, Paula, Marković, Smilja, Veselinović, Ljiljana, Nikolić, Marko, Mančić, Lidija, "Supplementary information for the article: Vuković, Marina, Dinić, Ivana, Jardim, Paula, Marković, Smilja, Veselinović, Ljiljana, Nikolić, Marko, Mančić, Lidija, "The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals" in Advanced Powder Technology, 33, no. 2 (2022):103403, https://doi.org/10.1016/j.apt.2021.103403" in Advanced Powder Technology, 33, no. 2 (2022),
https://hdl.handle.net/21.15107/rcub_dais_12819 .

TY  - JOUR
AU  - Marković, Smilja
AU  - Rau, Julietta V.
AU  - De Bonis, Angela
AU  - De Bellis, Giovanni
AU  - Stojanović, Zoran
AU  - Veselinović, Ljiljana
AU  - Mitrić, Miodrag
AU  - Ignjatović, Nenad
AU  - Škapin, Srečo Davor
AU  - Vengust, Damjan
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/12953
AB  - Dense calcium phosphate-based ceramics were fabricated to be used as targets for pulsed laser deposition (PLD). Nanostructured cobalt-substituted hydroxyapatite (Co:HAP) was used as a starting powder. To vary phase composition and microstructure of targets, two sintering approaches were applied, conventional (CS) and two-step sintering (TSS). The obtained results show that in both cases biphasic calcium phosphate (BCP) ceramics (targets) were prepared, with slightly different HAP-to-β–TCP amount ratio and a significantly different microstructure. While the CS method yielded fully dense ceramics with an average grain size of 1.3 μm, the ceramics prepared by TSS had a density of 98.5%, with a predominant grain size below 100 nm. (Ca + Co)P coatings were prepared by PLD of (Ca + Co)P targets. The temperature of the Ti substrate was adjusted to be 25 and 500 °C. The results show that the phase composition of (Ca + Co)P coatings depended on the phase composition of targets as well as on the temperature of the Ti substrate. The coating prepared at 25 °C using CS target consisted of three calcium phosphate phases, HAP, β–TCP and α–TCP; when the TSS target was used, the coating was biphasic, containing HAP and β–TCP. When the substrate was heated to 500 °C, regardless of whether the CS or the TSS target was used, the deposited coatings were composed of HAP and α–TCP. Due to different phase compositions, the (Ca + Co)P coatings deposited at 25 °C showed an improved hardness compared to those deposited at 500 °C. The obtained results confirmed that the phase composition, morphology and mechanical properties of 0.3 μm thick (Ca + Co)P coatings on a Ti substrate can be tailored by employing (Ca + Co)P targets with different microstructures, and also by varying the temperature of the Ti substrate during deposition experiments.
T2  - Surface and Coatings Technology
T2  - Surface and Coatings TechnologySurface and Coatings Technology
T1  - Pathway to tailor the phase composition, microstructure and mechanical properties of pulsed laser deposited cobalt-substituted calcium phosphate coatings on titanium
SP  - 128275
VL  - 437
DO  - 10.1016/j.surfcoat.2022.128275
UR  - https://hdl.handle.net/21.15107/rcub_dais_12953
ER  - 

@article{
author = "Marković, Smilja and Rau, Julietta V. and De Bonis, Angela and De Bellis, Giovanni and Stojanović, Zoran and Veselinović, Ljiljana and Mitrić, Miodrag and Ignjatović, Nenad and Škapin, Srečo Davor and Vengust, Damjan",
year = "2022",
abstract = "Dense calcium phosphate-based ceramics were fabricated to be used as targets for pulsed laser deposition (PLD). Nanostructured cobalt-substituted hydroxyapatite (Co:HAP) was used as a starting powder. To vary phase composition and microstructure of targets, two sintering approaches were applied, conventional (CS) and two-step sintering (TSS). The obtained results show that in both cases biphasic calcium phosphate (BCP) ceramics (targets) were prepared, with slightly different HAP-to-β–TCP amount ratio and a significantly different microstructure. While the CS method yielded fully dense ceramics with an average grain size of 1.3 μm, the ceramics prepared by TSS had a density of 98.5%, with a predominant grain size below 100 nm. (Ca + Co)P coatings were prepared by PLD of (Ca + Co)P targets. The temperature of the Ti substrate was adjusted to be 25 and 500 °C. The results show that the phase composition of (Ca + Co)P coatings depended on the phase composition of targets as well as on the temperature of the Ti substrate. The coating prepared at 25 °C using CS target consisted of three calcium phosphate phases, HAP, β–TCP and α–TCP; when the TSS target was used, the coating was biphasic, containing HAP and β–TCP. When the substrate was heated to 500 °C, regardless of whether the CS or the TSS target was used, the deposited coatings were composed of HAP and α–TCP. Due to different phase compositions, the (Ca + Co)P coatings deposited at 25 °C showed an improved hardness compared to those deposited at 500 °C. The obtained results confirmed that the phase composition, morphology and mechanical properties of 0.3 μm thick (Ca + Co)P coatings on a Ti substrate can be tailored by employing (Ca + Co)P targets with different microstructures, and also by varying the temperature of the Ti substrate during deposition experiments.",
journal = "Surface and Coatings Technology, Surface and Coatings TechnologySurface and Coatings Technology",
title = "Pathway to tailor the phase composition, microstructure and mechanical properties of pulsed laser deposited cobalt-substituted calcium phosphate coatings on titanium",
pages = "128275",
volume = "437",
doi = "10.1016/j.surfcoat.2022.128275",
url = "https://hdl.handle.net/21.15107/rcub_dais_12953"
}

Marković, S., Rau, J. V., De Bonis, A., De Bellis, G., Stojanović, Z., Veselinović, L., Mitrić, M., Ignjatović, N., Škapin, S. D.,& Vengust, D.. (2022). Pathway to tailor the phase composition, microstructure and mechanical properties of pulsed laser deposited cobalt-substituted calcium phosphate coatings on titanium. in Surface and Coatings Technology, 437, 128275.
https://doi.org/10.1016/j.surfcoat.2022.128275
https://hdl.handle.net/21.15107/rcub_dais_12953

Marković S, Rau JV, De Bonis A, De Bellis G, Stojanović Z, Veselinović L, Mitrić M, Ignjatović N, Škapin SD, Vengust D. Pathway to tailor the phase composition, microstructure and mechanical properties of pulsed laser deposited cobalt-substituted calcium phosphate coatings on titanium. in Surface and Coatings Technology. 2022;437:128275.
doi:10.1016/j.surfcoat.2022.128275
https://hdl.handle.net/21.15107/rcub_dais_12953 .

Marković, Smilja, Rau, Julietta V., De Bonis, Angela, De Bellis, Giovanni, Stojanović, Zoran, Veselinović, Ljiljana, Mitrić, Miodrag, Ignjatović, Nenad, Škapin, Srečo Davor, Vengust, Damjan, "Pathway to tailor the phase composition, microstructure and mechanical properties of pulsed laser deposited cobalt-substituted calcium phosphate coatings on titanium" in Surface and Coatings Technology, 437 (2022):128275,
https://doi.org/10.1016/j.surfcoat.2022.128275 .,
https://hdl.handle.net/21.15107/rcub_dais_12953 .

TY  - JOUR
AU  - Marković, Smilja
AU  - Rau, Julietta V.
AU  - De Bonis, Angela
AU  - De Bellis, Giovanni
AU  - Stojanović, Zoran
AU  - Veselinović, Ljiljana
AU  - Mitrić, Miodrag
AU  - Ignjatović, Nenad
AU  - Škapin, Srečo Davor
AU  - Vengust, Damjan
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/13034
AB  - Dense calcium phosphate-based ceramics were fabricated to be used as targets for pulsed laser deposition (PLD). Nanostructured cobalt-substituted hydroxyapatite (Co:HAP) was used as a starting powder. To vary phase composition and microstructure of targets, two sintering approaches were applied, conventional (CS) and two-step sintering (TSS). The obtained results show that in both cases biphasic calcium phosphate (BCP) ceramics (targets) were prepared, with slightly different HAP-to-β–TCP amount ratio and a significantly different microstructure. While the CS method yielded fully dense ceramics with an average grain size of 1.3 μm, the ceramics prepared by TSS had a density of 98.5%, with a predominant grain size below 100 nm. (Ca + Co)P coatings were prepared by PLD of (Ca + Co)P targets. The temperature of the Ti substrate was adjusted to be 25 and 500 °C. The results show that the phase composition of (Ca + Co)P coatings depended on the phase composition of targets as well as on the temperature of the Ti substrate. The coating prepared at 25 °C using CS target consisted of three calcium phosphate phases, HAP, β–TCP and α–TCP; when the TSS target was used, the coating was biphasic, containing HAP and β–TCP. When the substrate was heated to 500 °C, regardless of whether the CS or the TSS target was used, the deposited coatings were composed of HAP and α–TCP. Due to different phase compositions, the (Ca + Co)P coatings deposited at 25 °C showed an improved hardness compared to those deposited at 500 °C. The obtained results confirmed that the phase composition, morphology and mechanical properties of 0.3 μm thick (Ca + Co)P coatings on a Ti substrate can be tailored by employing (Ca + Co)P targets with different microstructures, and also by varying the temperature of the Ti substrate during deposition experiments.
T2  - Surface and Coatings Technology
T1  - Pathway to tailor the phase composition, microstructure and mechanical properties of pulsed laser deposited cobalt-substituted calcium phosphate coatings on titanium
SP  - 128275
VL  - 437
DO  - 10.1016/j.surfcoat.2022.128275
UR  - https://hdl.handle.net/21.15107/rcub_dais_13034
ER  - 

@article{
author = "Marković, Smilja and Rau, Julietta V. and De Bonis, Angela and De Bellis, Giovanni and Stojanović, Zoran and Veselinović, Ljiljana and Mitrić, Miodrag and Ignjatović, Nenad and Škapin, Srečo Davor and Vengust, Damjan",
year = "2022",
abstract = "Dense calcium phosphate-based ceramics were fabricated to be used as targets for pulsed laser deposition (PLD). Nanostructured cobalt-substituted hydroxyapatite (Co:HAP) was used as a starting powder. To vary phase composition and microstructure of targets, two sintering approaches were applied, conventional (CS) and two-step sintering (TSS). The obtained results show that in both cases biphasic calcium phosphate (BCP) ceramics (targets) were prepared, with slightly different HAP-to-β–TCP amount ratio and a significantly different microstructure. While the CS method yielded fully dense ceramics with an average grain size of 1.3 μm, the ceramics prepared by TSS had a density of 98.5%, with a predominant grain size below 100 nm. (Ca + Co)P coatings were prepared by PLD of (Ca + Co)P targets. The temperature of the Ti substrate was adjusted to be 25 and 500 °C. The results show that the phase composition of (Ca + Co)P coatings depended on the phase composition of targets as well as on the temperature of the Ti substrate. The coating prepared at 25 °C using CS target consisted of three calcium phosphate phases, HAP, β–TCP and α–TCP; when the TSS target was used, the coating was biphasic, containing HAP and β–TCP. When the substrate was heated to 500 °C, regardless of whether the CS or the TSS target was used, the deposited coatings were composed of HAP and α–TCP. Due to different phase compositions, the (Ca + Co)P coatings deposited at 25 °C showed an improved hardness compared to those deposited at 500 °C. The obtained results confirmed that the phase composition, morphology and mechanical properties of 0.3 μm thick (Ca + Co)P coatings on a Ti substrate can be tailored by employing (Ca + Co)P targets with different microstructures, and also by varying the temperature of the Ti substrate during deposition experiments.",
journal = "Surface and Coatings Technology",
title = "Pathway to tailor the phase composition, microstructure and mechanical properties of pulsed laser deposited cobalt-substituted calcium phosphate coatings on titanium",
pages = "128275",
volume = "437",
doi = "10.1016/j.surfcoat.2022.128275",
url = "https://hdl.handle.net/21.15107/rcub_dais_13034"
}

Marković, S., Rau, J. V., De Bonis, A., De Bellis, G., Stojanović, Z., Veselinović, L., Mitrić, M., Ignjatović, N., Škapin, S. D.,& Vengust, D.. (2022). Pathway to tailor the phase composition, microstructure and mechanical properties of pulsed laser deposited cobalt-substituted calcium phosphate coatings on titanium. in Surface and Coatings Technology, 437, 128275.
https://doi.org/10.1016/j.surfcoat.2022.128275
https://hdl.handle.net/21.15107/rcub_dais_13034

Marković S, Rau JV, De Bonis A, De Bellis G, Stojanović Z, Veselinović L, Mitrić M, Ignjatović N, Škapin SD, Vengust D. Pathway to tailor the phase composition, microstructure and mechanical properties of pulsed laser deposited cobalt-substituted calcium phosphate coatings on titanium. in Surface and Coatings Technology. 2022;437:128275.
doi:10.1016/j.surfcoat.2022.128275
https://hdl.handle.net/21.15107/rcub_dais_13034 .

Marković, Smilja, Rau, Julietta V., De Bonis, Angela, De Bellis, Giovanni, Stojanović, Zoran, Veselinović, Ljiljana, Mitrić, Miodrag, Ignjatović, Nenad, Škapin, Srečo Davor, Vengust, Damjan, "Pathway to tailor the phase composition, microstructure and mechanical properties of pulsed laser deposited cobalt-substituted calcium phosphate coatings on titanium" in Surface and Coatings Technology, 437 (2022):128275,
https://doi.org/10.1016/j.surfcoat.2022.128275 .,
https://hdl.handle.net/21.15107/rcub_dais_13034 .

TY  - CONF
AU  - Aleksić, Katarina
AU  - Stanković, Ana
AU  - Veselinović, Ljiljana
AU  - Stojković Simatović, Ivana
AU  - Marković, Smilja
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/13504
AB  - Due to their biocompatibility, chemical stability, high isoelectric point, electrochemical activity, high electron mobility and ease of synthesis by diverse methods, ZnO-based materials have attracted much interest as materials for biosensors. Its unique properties allow it to be used for single-molecule detection and determining various biomolecules, so it can be potentially utilized as biosensor for medical diagnosis. The materials being used as biosensors require special characteristics including high corrosion resistance. The aim of this research was to investigate biocorrosion properties of ZnO materials in Ringer’s physiological solution as a function of immersion time. ZnO powders were prepared by microwave (MW) processing of a precipitate in the presence of a different amount (5, 10 and 20 wt.%) of two different surfactants, CA and CTAB. The particles crystallinity and phase purity were investigated by X-ray powder diffraction (XRD) and Raman spectroscopy. Fourier-transform infrared (FTIR) spectroscopy was used to analyze surface chemistry. The particles morphology and textural properties were observed with field emission scanning electron microscopy (FE-SEM) and BET. The biocorrosion activity of the materials was measured by potentiodynamic polarization technique. Prepared samples were immersed in Ringer solution for different immersion times ranging from 30 min to 7 days. We found that all examined ZnO samples hаve low biocorrosion activity. Slight differences in biocorrosion activity between the samples are determined by particles morphology, textural properties and surface chemistry influenced by used surfactants.
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - Programme and the Book of Abstracts / Twentieth Young Researchers' Conference Materials Science and Engineering, November 30 - December 2, 2022, Belgrade, Serbia
T1  - The biocorrosion activity of ZnO-based materials as biosensors
SP  - 39
EP  - 39
UR  - https://hdl.handle.net/21.15107/rcub_dais_13504
ER  - 

@conference{
author = "Aleksić, Katarina and Stanković, Ana and Veselinović, Ljiljana and Stojković Simatović, Ivana and Marković, Smilja",
year = "2022",
abstract = "Due to their biocompatibility, chemical stability, high isoelectric point, electrochemical activity, high electron mobility and ease of synthesis by diverse methods, ZnO-based materials have attracted much interest as materials for biosensors. Its unique properties allow it to be used for single-molecule detection and determining various biomolecules, so it can be potentially utilized as biosensor for medical diagnosis. The materials being used as biosensors require special characteristics including high corrosion resistance. The aim of this research was to investigate biocorrosion properties of ZnO materials in Ringer’s physiological solution as a function of immersion time. ZnO powders were prepared by microwave (MW) processing of a precipitate in the presence of a different amount (5, 10 and 20 wt.%) of two different surfactants, CA and CTAB. The particles crystallinity and phase purity were investigated by X-ray powder diffraction (XRD) and Raman spectroscopy. Fourier-transform infrared (FTIR) spectroscopy was used to analyze surface chemistry. The particles morphology and textural properties were observed with field emission scanning electron microscopy (FE-SEM) and BET. The biocorrosion activity of the materials was measured by potentiodynamic polarization technique. Prepared samples were immersed in Ringer solution for different immersion times ranging from 30 min to 7 days. We found that all examined ZnO samples hаve low biocorrosion activity. Slight differences in biocorrosion activity between the samples are determined by particles morphology, textural properties and surface chemistry influenced by used surfactants.",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "Programme and the Book of Abstracts / Twentieth Young Researchers' Conference Materials Science and Engineering, November 30 - December 2, 2022, Belgrade, Serbia",
title = "The biocorrosion activity of ZnO-based materials as biosensors",
pages = "39-39",
url = "https://hdl.handle.net/21.15107/rcub_dais_13504"
}

Aleksić, K., Stanković, A., Veselinović, L., Stojković Simatović, I.,& Marković, S.. (2022). The biocorrosion activity of ZnO-based materials as biosensors. in Programme and the Book of Abstracts / Twentieth Young Researchers' Conference Materials Science and Engineering, November 30 - December 2, 2022, Belgrade, Serbia
Belgrade : Institute of Technical Sciences of SASA., 39-39.
https://hdl.handle.net/21.15107/rcub_dais_13504

Aleksić K, Stanković A, Veselinović L, Stojković Simatović I, Marković S. The biocorrosion activity of ZnO-based materials as biosensors. in Programme and the Book of Abstracts / Twentieth Young Researchers' Conference Materials Science and Engineering, November 30 - December 2, 2022, Belgrade, Serbia. 2022;:39-39.
https://hdl.handle.net/21.15107/rcub_dais_13504 .

Aleksić, Katarina, Stanković, Ana, Veselinović, Ljiljana, Stojković Simatović, Ivana, Marković, Smilja, "The biocorrosion activity of ZnO-based materials as biosensors" in Programme and the Book of Abstracts / Twentieth Young Researchers' Conference Materials Science and Engineering, November 30 - December 2, 2022, Belgrade, Serbia (2022):39-39,
https://hdl.handle.net/21.15107/rcub_dais_13504 .

TY  - JOUR
AU  - Veselinović, Ljiljana
AU  - Mitrić, Miodrag
AU  - Mančić, Lidija
AU  - Jardim, Paula M.
AU  - Škapin, Srečo Davor
AU  - Cvjetićanin, Nikola
AU  - Milović, Miloš D.
AU  - Marković, Smilja
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/13562
AB  - This paper reports a detailed study of crystal structure and dielectric properties of ruthenium-substituted calcium-copper titanates (CaCu3Ti4−xRuxO12, CCTRO). A series of three samples with different stoichiometry was prepared: CaCu3Ti4−xRuxO12, x = 0, 1 and 4, abbreviated as CCTO, CCT3RO and CCRO, respectively. A detailed structural analysis of CCTRO samples was done by the Rietveld refinement of XRPD data. The results show that, regardless of whether Ti4+ or Ru4+ ions are placed in B crystallographic position in AA’3B4O12 (CaCu3Ti4−xRuxO12) unit cell, the crystal structure remains cubic with Im3¯ symmetry. Slight increases in the unit cell parameters, cell volume and interatomic distances indicate that Ru4+ ions with larger ionic radii (0.62 Å) than Ti4+ (0.605 Å) are incorporated in the CaCu3Ti4−xRuxO12 crystal lattice. The structural investigations were confirmed using TEM, HRTEM and ADF/STEM analyses, including EDXS elemental mapping. The effect of Ru atoms share in CaCu3Ti4−xRuxO12 samples on their electrical properties was determined by impedance and dielectric measurements. Results of dielectric measurements indicate that one atom of ruthenium per CaCu3Ti4−xRuxO12 unit cell transforms dielectric CCTO into conductive CCT3RO while preserving cubic crystal structure. Our findings about CCTO and CCT3RO ceramics promote them as ideal tandem to overcome the problem of stress on dielectric-electrode interfaces in capacitors.
T2  - Materials
T1  - Crystal Structure and Electrical Properties of Ruthenium-Substituted Calcium Copper Titanate
SP  - 8500
SP  - 8500
VL  - 15
IS  - 23
DO  - 10.3390/ma15238500
UR  - https://hdl.handle.net/21.15107/rcub_dais_13562
ER  - 

@article{
author = "Veselinović, Ljiljana and Mitrić, Miodrag and Mančić, Lidija and Jardim, Paula M. and Škapin, Srečo Davor and Cvjetićanin, Nikola and Milović, Miloš D. and Marković, Smilja",
year = "2022",
abstract = "This paper reports a detailed study of crystal structure and dielectric properties of ruthenium-substituted calcium-copper titanates (CaCu3Ti4−xRuxO12, CCTRO). A series of three samples with different stoichiometry was prepared: CaCu3Ti4−xRuxO12, x = 0, 1 and 4, abbreviated as CCTO, CCT3RO and CCRO, respectively. A detailed structural analysis of CCTRO samples was done by the Rietveld refinement of XRPD data. The results show that, regardless of whether Ti4+ or Ru4+ ions are placed in B crystallographic position in AA’3B4O12 (CaCu3Ti4−xRuxO12) unit cell, the crystal structure remains cubic with Im3¯ symmetry. Slight increases in the unit cell parameters, cell volume and interatomic distances indicate that Ru4+ ions with larger ionic radii (0.62 Å) than Ti4+ (0.605 Å) are incorporated in the CaCu3Ti4−xRuxO12 crystal lattice. The structural investigations were confirmed using TEM, HRTEM and ADF/STEM analyses, including EDXS elemental mapping. The effect of Ru atoms share in CaCu3Ti4−xRuxO12 samples on their electrical properties was determined by impedance and dielectric measurements. Results of dielectric measurements indicate that one atom of ruthenium per CaCu3Ti4−xRuxO12 unit cell transforms dielectric CCTO into conductive CCT3RO while preserving cubic crystal structure. Our findings about CCTO and CCT3RO ceramics promote them as ideal tandem to overcome the problem of stress on dielectric-electrode interfaces in capacitors.",
journal = "Materials",
title = "Crystal Structure and Electrical Properties of Ruthenium-Substituted Calcium Copper Titanate",
pages = "8500-8500",
volume = "15",
number = "23",
doi = "10.3390/ma15238500",
url = "https://hdl.handle.net/21.15107/rcub_dais_13562"
}

Veselinović, L., Mitrić, M., Mančić, L., Jardim, P. M., Škapin, S. D., Cvjetićanin, N., Milović, M. D.,& Marković, S.. (2022). Crystal Structure and Electrical Properties of Ruthenium-Substituted Calcium Copper Titanate. in Materials, 15(23), 8500.
https://doi.org/10.3390/ma15238500
https://hdl.handle.net/21.15107/rcub_dais_13562

Veselinović L, Mitrić M, Mančić L, Jardim PM, Škapin SD, Cvjetićanin N, Milović MD, Marković S. Crystal Structure and Electrical Properties of Ruthenium-Substituted Calcium Copper Titanate. in Materials. 2022;15(23):8500.
doi:10.3390/ma15238500
https://hdl.handle.net/21.15107/rcub_dais_13562 .

Veselinović, Ljiljana, Mitrić, Miodrag, Mančić, Lidija, Jardim, Paula M., Škapin, Srečo Davor, Cvjetićanin, Nikola, Milović, Miloš D., Marković, Smilja, "Crystal Structure and Electrical Properties of Ruthenium-Substituted Calcium Copper Titanate" in Materials, 15, no. 23 (2022):8500,
https://doi.org/10.3390/ma15238500 .,
https://hdl.handle.net/21.15107/rcub_dais_13562 .

TY  - CONF
AU  - Stanković, Ana
AU  - Filipović, Suzana
AU  - Veselinović, Ljiljana
AU  - Aleksić, Katarina
AU  - Stojković Simatović, Ivana
AU  - Škapin, Srečo Davor
AU  - Marković, Smilja
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/13628
AB  - Conversion of solar energy into hydrogen energy via the water-splitting process, assisted by photo-semiconductor catalysts, is one of the most promising technologies for the future because large quantities of hydrogen can be generated in a clean and sustainable manner. Zinc oxide (ZnO) represents one of the most investigated photocatalyst. Its ability to overcome the limitations of pristine ZnO through enhanced visible light absorption and reduced recombination of photogenerated charge carriers have gathered the attention of the many research groups. Numerous studies enabled understanding its greater activities and most studies reveal that reactive oxygen species (ROS), oxygen vacancies (Ov) and zinc interstitials (Zni) are responsible for the enhanced photoactivity. In fact, different factors like defect concentration, defect location, valence and conduction band levels play a key role in the working mechanisms of ZnO material. Materials with the perovskite crystal structure such as BaTiO3 (BT) and BaTi1–XSnXO3 (BTS) found application in the construction of the active layer of the solar cell, in which the photogenerative electrons are generated. The environmental instability of perovskite solar cells caused by the ultraviolet photocatalytic effect of metal oxide layers is a critical issue that must be solved. Possible solution with improved environmental stability can be synthesis of ZnO composite heterojunction perovskite solar cells. In this study photo(electro) catalytic properties of: BT and BTS were compared with those of ZnO@BT and ZnO@BTS, respectively. In both cases the ZnO@BT and ZnO@BTS composite materials revealed enhanced photo(electro) catalytic activity as compared to the pristine BT and BTS materials. In order to investigate the origin of the enhancement, the pristine metal oxides and composites were characterized using a variety of techniques, including X-ray diffraction (XRD), Raman, Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE SEM), UV-Vis diffuse reflectance spectroscopy and linear voltammetry process.
PB  - Belgrade : Serbian Ceramic Society
C3  - Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application X New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 26-27. September 2022.
T1  - ZnO-based composite materials with improved photo(electro) catalytic properties
SP  - 85
EP  - 86
UR  - https://hdl.handle.net/21.15107/rcub_dais_13628
ER  - 

@conference{
author = "Stanković, Ana and Filipović, Suzana and Veselinović, Ljiljana and Aleksić, Katarina and Stojković Simatović, Ivana and Škapin, Srečo Davor and Marković, Smilja",
year = "2022",
abstract = "Conversion of solar energy into hydrogen energy via the water-splitting process, assisted by photo-semiconductor catalysts, is one of the most promising technologies for the future because large quantities of hydrogen can be generated in a clean and sustainable manner. Zinc oxide (ZnO) represents one of the most investigated photocatalyst. Its ability to overcome the limitations of pristine ZnO through enhanced visible light absorption and reduced recombination of photogenerated charge carriers have gathered the attention of the many research groups. Numerous studies enabled understanding its greater activities and most studies reveal that reactive oxygen species (ROS), oxygen vacancies (Ov) and zinc interstitials (Zni) are responsible for the enhanced photoactivity. In fact, different factors like defect concentration, defect location, valence and conduction band levels play a key role in the working mechanisms of ZnO material. Materials with the perovskite crystal structure such as BaTiO3 (BT) and BaTi1–XSnXO3 (BTS) found application in the construction of the active layer of the solar cell, in which the photogenerative electrons are generated. The environmental instability of perovskite solar cells caused by the ultraviolet photocatalytic effect of metal oxide layers is a critical issue that must be solved. Possible solution with improved environmental stability can be synthesis of ZnO composite heterojunction perovskite solar cells. In this study photo(electro) catalytic properties of: BT and BTS were compared with those of ZnO@BT and ZnO@BTS, respectively. In both cases the ZnO@BT and ZnO@BTS composite materials revealed enhanced photo(electro) catalytic activity as compared to the pristine BT and BTS materials. In order to investigate the origin of the enhancement, the pristine metal oxides and composites were characterized using a variety of techniques, including X-ray diffraction (XRD), Raman, Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE SEM), UV-Vis diffuse reflectance spectroscopy and linear voltammetry process.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application X New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 26-27. September 2022.",
title = "ZnO-based composite materials with improved photo(electro) catalytic properties",
pages = "85-86",
url = "https://hdl.handle.net/21.15107/rcub_dais_13628"
}

Stanković, A., Filipović, S., Veselinović, L., Aleksić, K., Stojković Simatović, I., Škapin, S. D.,& Marković, S.. (2022). ZnO-based composite materials with improved photo(electro) catalytic properties. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application X New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 26-27. September 2022.
Belgrade : Serbian Ceramic Society., 85-86.
https://hdl.handle.net/21.15107/rcub_dais_13628

Stanković A, Filipović S, Veselinović L, Aleksić K, Stojković Simatović I, Škapin SD, Marković S. ZnO-based composite materials with improved photo(electro) catalytic properties. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application X New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 26-27. September 2022.. 2022;:85-86.
https://hdl.handle.net/21.15107/rcub_dais_13628 .

Stanković, Ana, Filipović, Suzana, Veselinović, Ljiljana, Aleksić, Katarina, Stojković Simatović, Ivana, Škapin, Srečo Davor, Marković, Smilja, "ZnO-based composite materials with improved photo(electro) catalytic properties" in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application X New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 26-27. September 2022. (2022):85-86,
https://hdl.handle.net/21.15107/rcub_dais_13628 .

TY  - CONF
AU  - Nikolić, Irena
AU  - Radmilović, Vuk V.
AU  - Marković, Smilja
AU  - Veselinović, Ljiljana
AU  - Janković-Častvan, Ivona
AU  - Radmilović, Velimir R.
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/13638
AB  - Alkali activated slag (AAS) is an environmentally friendly material which were extensively investigated in a pass two decade. Currently, these materials are considering as an effective alternative for cement binder. Process of slag alkali activation involves a chemical reaction between solid calcium aluminosilicate materials and a highly alkaline activator. The alkali activation mechanism of slag consists of the slag dissolution in a highly alkaline which is followed by the condensation and hardening processes yielding formation of calcium (alumina) silicate hydrate C– (A)–S–H gel as a reaction product of slag alkali activation. Properties of these materials primarily depends on the choice of solid row materials. Primarily, granulated blast furnace slag, by product of iron production) is considering as a precursor for AAS synthesis. However, an important shift towards the use of steelmaking slag is also observed. Although electric arc furnace slag has already found its application mainly in civil engineering, this investigation has aimed to investigate properties of AAS prepared using the electric arc furnace slag (EAFS) with an emphasize with different possibilities of its application. Characterization of AAS involved XRDP, SEM/EDS and pore size analysis with the aim to build up a detailed illustration of AAS from the stand point of different application.
PB  - Belgrade : Serbian Academy of Sciences and Arts
C3  - Program & Book of Abstracts / Second International Conference ELMINA 2022, Belgrade, Serbia, August 22nd-26th, 2022
T1  - Alkali activated slag based on steelmaking slag: application and properties
SP  - 92
EP  - 93
UR  - https://hdl.handle.net/21.15107/rcub_dais_13638
ER  - 

@conference{
author = "Nikolić, Irena and Radmilović, Vuk V. and Marković, Smilja and Veselinović, Ljiljana and Janković-Častvan, Ivona and Radmilović, Velimir R.",
year = "2022",
abstract = "Alkali activated slag (AAS) is an environmentally friendly material which were extensively investigated in a pass two decade. Currently, these materials are considering as an effective alternative for cement binder. Process of slag alkali activation involves a chemical reaction between solid calcium aluminosilicate materials and a highly alkaline activator. The alkali activation mechanism of slag consists of the slag dissolution in a highly alkaline which is followed by the condensation and hardening processes yielding formation of calcium (alumina) silicate hydrate C– (A)–S–H gel as a reaction product of slag alkali activation. Properties of these materials primarily depends on the choice of solid row materials. Primarily, granulated blast furnace slag, by product of iron production) is considering as a precursor for AAS synthesis. However, an important shift towards the use of steelmaking slag is also observed. Although electric arc furnace slag has already found its application mainly in civil engineering, this investigation has aimed to investigate properties of AAS prepared using the electric arc furnace slag (EAFS) with an emphasize with different possibilities of its application. Characterization of AAS involved XRDP, SEM/EDS and pore size analysis with the aim to build up a detailed illustration of AAS from the stand point of different application.",
publisher = "Belgrade : Serbian Academy of Sciences and Arts",
journal = "Program & Book of Abstracts / Second International Conference ELMINA 2022, Belgrade, Serbia, August 22nd-26th, 2022",
title = "Alkali activated slag based on steelmaking slag: application and properties",
pages = "92-93",
url = "https://hdl.handle.net/21.15107/rcub_dais_13638"
}

Nikolić, I., Radmilović, V. V., Marković, S., Veselinović, L., Janković-Častvan, I.,& Radmilović, V. R.. (2022). Alkali activated slag based on steelmaking slag: application and properties. in Program & Book of Abstracts / Second International Conference ELMINA 2022, Belgrade, Serbia, August 22nd-26th, 2022
Belgrade : Serbian Academy of Sciences and Arts., 92-93.
https://hdl.handle.net/21.15107/rcub_dais_13638

Nikolić I, Radmilović VV, Marković S, Veselinović L, Janković-Častvan I, Radmilović VR. Alkali activated slag based on steelmaking slag: application and properties. in Program & Book of Abstracts / Second International Conference ELMINA 2022, Belgrade, Serbia, August 22nd-26th, 2022. 2022;:92-93.
https://hdl.handle.net/21.15107/rcub_dais_13638 .

Nikolić, Irena, Radmilović, Vuk V., Marković, Smilja, Veselinović, Ljiljana, Janković-Častvan, Ivona, Radmilović, Velimir R., "Alkali activated slag based on steelmaking slag: application and properties" in Program & Book of Abstracts / Second International Conference ELMINA 2022, Belgrade, Serbia, August 22nd-26th, 2022 (2022):92-93,
https://hdl.handle.net/21.15107/rcub_dais_13638 .

TY  - CONF
AU  - Marković, Smilja
AU  - Veselinović, Ljiljana
AU  - Mančić, Lidija
AU  - Jardim, Paula M.
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/13640
AB  - Due to a very large dielectric permittivity (≥ 105), thermal stability over a wide temperature range (from 100 to 400 K) and frequency independence in the frequency range of 1 kHz–1 MHz, calcium coper titanate (CaCu3Ti4O12, CCTO) ceramics have been recognized as promising materials for applications in microelectronics industry and microwave devices [1–5]. Although a high permittivity value of CCTO-based materials allows fabrication of capacitors with improved capacitive performance for portable electronics devices, the nature of ceramics-metal electrode interface can deteriorate dielectric properties. Actually, significant differences in the crystal structure and electrical properties of the CaCu3Ti4O12 as a dielectric material and a metallic electrode, can cause an energy barrier and the occurrence of stress on the ceramic-electrode interface which reduce the dielectric permittivity. Therefore, to avoid occurrence of an energy barrier and stress on the ceramic electrode interface it is necessary to use dielectric ceramic and electrode with similar both crystal structure and unit cell parameters. The reduction of the stress on the ceramic-electrode interface can be achieved by using commercially available materials as an interlayer having lattice parameters match with both dielectric and electrode. It was noticed that incorporation of Ru4+ ions into the CCTO crystal structure significantly increases conductivity of these materials. It has been shown that CaCu3Ru4O12 (CCRO) material is isostructural with CaCu3Ti4O12 material, it has cubic 𝐼���𝑚���3 space group and shows metallic character [6]. Thus, since CCTO and CCRO have the same crystal structure and similar unit cell parameters, with CCRO layer as an interface between ceramic and electrode it can be possible to overcome problem of an energy barrier on the ceramic-electrode interface.
PB  - Belgrade : Serbian Academy of Sciences and Arts
C3  - Program & Book of Abstracts / Second International Conference ELMINA 2022, Belgrade, Serbia, August 22nd-26th, 2022
T1  - Structural Properties of CaCu3Ti3RuO12
SP  - 198
EP  - 199
UR  - https://hdl.handle.net/21.15107/rcub_dais_13640
ER  - 

@conference{
author = "Marković, Smilja and Veselinović, Ljiljana and Mančić, Lidija and Jardim, Paula M.",
year = "2022",
abstract = "Due to a very large dielectric permittivity (≥ 105), thermal stability over a wide temperature range (from 100 to 400 K) and frequency independence in the frequency range of 1 kHz–1 MHz, calcium coper titanate (CaCu3Ti4O12, CCTO) ceramics have been recognized as promising materials for applications in microelectronics industry and microwave devices [1–5]. Although a high permittivity value of CCTO-based materials allows fabrication of capacitors with improved capacitive performance for portable electronics devices, the nature of ceramics-metal electrode interface can deteriorate dielectric properties. Actually, significant differences in the crystal structure and electrical properties of the CaCu3Ti4O12 as a dielectric material and a metallic electrode, can cause an energy barrier and the occurrence of stress on the ceramic-electrode interface which reduce the dielectric permittivity. Therefore, to avoid occurrence of an energy barrier and stress on the ceramic electrode interface it is necessary to use dielectric ceramic and electrode with similar both crystal structure and unit cell parameters. The reduction of the stress on the ceramic-electrode interface can be achieved by using commercially available materials as an interlayer having lattice parameters match with both dielectric and electrode. It was noticed that incorporation of Ru4+ ions into the CCTO crystal structure significantly increases conductivity of these materials. It has been shown that CaCu3Ru4O12 (CCRO) material is isostructural with CaCu3Ti4O12 material, it has cubic 𝐼���𝑚���3 space group and shows metallic character [6]. Thus, since CCTO and CCRO have the same crystal structure and similar unit cell parameters, with CCRO layer as an interface between ceramic and electrode it can be possible to overcome problem of an energy barrier on the ceramic-electrode interface.",
publisher = "Belgrade : Serbian Academy of Sciences and Arts",
journal = "Program & Book of Abstracts / Second International Conference ELMINA 2022, Belgrade, Serbia, August 22nd-26th, 2022",
title = "Structural Properties of CaCu3Ti3RuO12",
pages = "198-199",
url = "https://hdl.handle.net/21.15107/rcub_dais_13640"
}

Marković, S., Veselinović, L., Mančić, L.,& Jardim, P. M.. (2022). Structural Properties of CaCu3Ti3RuO12. in Program & Book of Abstracts / Second International Conference ELMINA 2022, Belgrade, Serbia, August 22nd-26th, 2022
Belgrade : Serbian Academy of Sciences and Arts., 198-199.
https://hdl.handle.net/21.15107/rcub_dais_13640

Marković S, Veselinović L, Mančić L, Jardim PM. Structural Properties of CaCu3Ti3RuO12. in Program & Book of Abstracts / Second International Conference ELMINA 2022, Belgrade, Serbia, August 22nd-26th, 2022. 2022;:198-199.
https://hdl.handle.net/21.15107/rcub_dais_13640 .

Marković, Smilja, Veselinović, Ljiljana, Mančić, Lidija, Jardim, Paula M., "Structural Properties of CaCu3Ti3RuO12" in Program & Book of Abstracts / Second International Conference ELMINA 2022, Belgrade, Serbia, August 22nd-26th, 2022 (2022):198-199,
https://hdl.handle.net/21.15107/rcub_dais_13640 .

TY  - JOUR
AU  - Vuković, Marina
AU  - Dinić, Ivana
AU  - Jardim, Paula
AU  - Marković, Smilja
AU  - Veselinović, Ljiljana
AU  - Nikolić, Marko
AU  - Mančić, Lidija
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/12817
AB  - In this paper, we report the mild sonochemical synthesis of hexagonal (β) NaYF4:Yb,Er mesocrystals at low temperature of 40 °C. The nucleation and transformation of crystal structures is investigated in the course of time, and it is shown that the pure β phase is obtained after 2 h of pulsed sonication. The crystallization of orthorhombic YF3:Yb,Er and cubic (α) NaYF4:Yb,Er precedes the appearance of a thermodynamically stable β NaYF4:Yb,Er phase. Based on the evolution of the nanoparticle morphology, it is concluded that the transition from α to β phase is consistent with the dissolution-recrystallization process, while the final shape of mesocrystals is a consequence of the oriented attachment growth in the newly formed β phase nanocrystallites along two planes. The structural properties of all compounds are analyzed and correlated with their thermal and optical characteristics. The pump power dependence of green and red emissions confirms that only two-photon process is involved in up-conversion, which is superior in β phase mesocrystals.
PB  - Elsevier BV
T2  - Advanced Powder Technology
T1  - The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals
SP  - 103403
VL  - 33
IS  - 2
DO  - 10.1016/j.apt.2021.103403
UR  - https://hdl.handle.net/21.15107/rcub_dais_12817
ER  - 

@article{
author = "Vuković, Marina and Dinić, Ivana and Jardim, Paula and Marković, Smilja and Veselinović, Ljiljana and Nikolić, Marko and Mančić, Lidija",
year = "2022",
abstract = "In this paper, we report the mild sonochemical synthesis of hexagonal (β) NaYF4:Yb,Er mesocrystals at low temperature of 40 °C. The nucleation and transformation of crystal structures is investigated in the course of time, and it is shown that the pure β phase is obtained after 2 h of pulsed sonication. The crystallization of orthorhombic YF3:Yb,Er and cubic (α) NaYF4:Yb,Er precedes the appearance of a thermodynamically stable β NaYF4:Yb,Er phase. Based on the evolution of the nanoparticle morphology, it is concluded that the transition from α to β phase is consistent with the dissolution-recrystallization process, while the final shape of mesocrystals is a consequence of the oriented attachment growth in the newly formed β phase nanocrystallites along two planes. The structural properties of all compounds are analyzed and correlated with their thermal and optical characteristics. The pump power dependence of green and red emissions confirms that only two-photon process is involved in up-conversion, which is superior in β phase mesocrystals.",
publisher = "Elsevier BV",
journal = "Advanced Powder Technology",
title = "The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals",
pages = "103403",
volume = "33",
number = "2",
doi = "10.1016/j.apt.2021.103403",
url = "https://hdl.handle.net/21.15107/rcub_dais_12817"
}

Vuković, M., Dinić, I., Jardim, P., Marković, S., Veselinović, L., Nikolić, M.,& Mančić, L.. (2022). The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals. in Advanced Powder Technology
Elsevier BV., 33(2), 103403.
https://doi.org/10.1016/j.apt.2021.103403
https://hdl.handle.net/21.15107/rcub_dais_12817

Vuković M, Dinić I, Jardim P, Marković S, Veselinović L, Nikolić M, Mančić L. The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals. in Advanced Powder Technology. 2022;33(2):103403.
doi:10.1016/j.apt.2021.103403
https://hdl.handle.net/21.15107/rcub_dais_12817 .

Vuković, Marina, Dinić, Ivana, Jardim, Paula, Marković, Smilja, Veselinović, Ljiljana, Nikolić, Marko, Mančić, Lidija, "The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals" in Advanced Powder Technology, 33, no. 2 (2022):103403,
https://doi.org/10.1016/j.apt.2021.103403 .,
https://hdl.handle.net/21.15107/rcub_dais_12817 .

TY  - JOUR
AU  - Vuković, Marina
AU  - Dinić, Ivana
AU  - Jardim, Paula
AU  - Marković, Smilja
AU  - Veselinović, Ljiljana
AU  - Nikolić, Marko
AU  - Mančić, Lidija
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/12818
AB  - In this paper, we report the mild sonochemical synthesis of hexagonal (β) NaYF4:Yb,Er mesocrystals at low temperature of 40 °C. The nucleation and transformation of crystal structures is investigated in the course of time, and it is shown that the pure β phase is obtained after 2 h of pulsed sonication. The crystallization of orthorhombic YF3:Yb,Er and cubic (α) NaYF4:Yb,Er precedes the appearance of a thermodynamically stable β NaYF4:Yb,Er phase. Based on the evolution of the nanoparticle morphology, it is concluded that the transition from α to β phase is consistent with the dissolution-recrystallization process, while the final shape of mesocrystals is a consequence of the oriented attachment growth in the newly formed β phase nanocrystallites along two planes. The structural properties of all compounds are analyzed and correlated with their thermal and optical characteristics. The pump power dependence of green and red emissions confirms that only two-photon process is involved in up-conversion, which is superior in β phase mesocrystals.
PB  - Elsevier BV
T2  - Advanced Powder Technology
T1  - The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals
SP  - 103403
VL  - 33
IS  - 2
DO  - 10.1016/j.apt.2021.103403
UR  - https://hdl.handle.net/21.15107/rcub_dais_12818
ER  - 

@article{
author = "Vuković, Marina and Dinić, Ivana and Jardim, Paula and Marković, Smilja and Veselinović, Ljiljana and Nikolić, Marko and Mančić, Lidija",
year = "2022",
abstract = "In this paper, we report the mild sonochemical synthesis of hexagonal (β) NaYF4:Yb,Er mesocrystals at low temperature of 40 °C. The nucleation and transformation of crystal structures is investigated in the course of time, and it is shown that the pure β phase is obtained after 2 h of pulsed sonication. The crystallization of orthorhombic YF3:Yb,Er and cubic (α) NaYF4:Yb,Er precedes the appearance of a thermodynamically stable β NaYF4:Yb,Er phase. Based on the evolution of the nanoparticle morphology, it is concluded that the transition from α to β phase is consistent with the dissolution-recrystallization process, while the final shape of mesocrystals is a consequence of the oriented attachment growth in the newly formed β phase nanocrystallites along two planes. The structural properties of all compounds are analyzed and correlated with their thermal and optical characteristics. The pump power dependence of green and red emissions confirms that only two-photon process is involved in up-conversion, which is superior in β phase mesocrystals.",
publisher = "Elsevier BV",
journal = "Advanced Powder Technology",
title = "The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals",
pages = "103403",
volume = "33",
number = "2",
doi = "10.1016/j.apt.2021.103403",
url = "https://hdl.handle.net/21.15107/rcub_dais_12818"
}

Vuković, M., Dinić, I., Jardim, P., Marković, S., Veselinović, L., Nikolić, M.,& Mančić, L.. (2022). The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals. in Advanced Powder Technology
Elsevier BV., 33(2), 103403.
https://doi.org/10.1016/j.apt.2021.103403
https://hdl.handle.net/21.15107/rcub_dais_12818

Vuković M, Dinić I, Jardim P, Marković S, Veselinović L, Nikolić M, Mančić L. The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals. in Advanced Powder Technology. 2022;33(2):103403.
doi:10.1016/j.apt.2021.103403
https://hdl.handle.net/21.15107/rcub_dais_12818 .

Vuković, Marina, Dinić, Ivana, Jardim, Paula, Marković, Smilja, Veselinović, Ljiljana, Nikolić, Marko, Mančić, Lidija, "The low-temperature sonochemical synthesis of up-converting β NaYF4:Yb,Er mesocrystals" in Advanced Powder Technology, 33, no. 2 (2022):103403,
https://doi.org/10.1016/j.apt.2021.103403 .,
https://hdl.handle.net/21.15107/rcub_dais_12818 .

TY  - JOUR
AU  - Miladinović, Marija M.
AU  - Krstić, Jugoslav B.
AU  - Zdujić, Miodrag V.
AU  - Veselinović, Ljiljana M.
AU  - Veljović, Đorđe N.
AU  - Banković-Ilić, Ivana B.
AU  - Stamenković, Olivera S.
AU  - Veljković, Vlada B.
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/12337
AB  - Hazelnut shell ash was investigated as a new base catalyst for the transesterification of used cooking sunflower oil to biodiesel. To understand its catalytic properties, the prepared ash was characterized by EDX, XRD, TGA/DTA, Hg porosimetry, N2 physisorption, FE-SEM, and basic strength measurements. The effects of the catalyst loading in the range of 1–5% of the oil weight and the methanol-to-oil molar ratio of 6:1–18:1 on the kinetics of the fatty acid methyl esters synthesis were established. Moreover, the leaching and reusability of the catalyst were assessed. The obtained results revealed that hazelnut shell ash was mostly composed of K, Ca, and Mg. The highest ester content (98%) was achieved at the catalyst loading of 5%, the methanol-to-oil molar ratio of 12:1, and the reaction time of 10 min. The contribution of homogeneous catalysis because of the catalyst leaching was confirmed but did not determine the overall reaction rate. The catalyst can be reused after the recalcination at 800 °C for 2 h achieving the high methyl esters content (>96%) in 30 min after three subsequent runs. The overall reaction followed the pseudo-first-order kinetics with respect to triacylglycerols. A linear relationship between the apparent reaction rate constant and the catalyst loading and the methanol-to-oil molar ratio was determined. The determined value of the reaction rate constant was 0.0576 dm6/(min•mol2).
PB  - Elsevier
T2  - Renewable Energy
T1  - Transesterification of used cooking sunflower oil catalyzed by hazelnut shell ash
SP  - 103
EP  - 113
VL  - 183
DO  - 10.1016/j.renene.2021.10.071
UR  - https://hdl.handle.net/21.15107/rcub_dais_12337
ER  - 

@article{
author = "Miladinović, Marija M. and Krstić, Jugoslav B. and Zdujić, Miodrag V. and Veselinović, Ljiljana M. and Veljović, Đorđe N. and Banković-Ilić, Ivana B. and Stamenković, Olivera S. and Veljković, Vlada B.",
year = "2022",
abstract = "Hazelnut shell ash was investigated as a new base catalyst for the transesterification of used cooking sunflower oil to biodiesel. To understand its catalytic properties, the prepared ash was characterized by EDX, XRD, TGA/DTA, Hg porosimetry, N2 physisorption, FE-SEM, and basic strength measurements. The effects of the catalyst loading in the range of 1–5% of the oil weight and the methanol-to-oil molar ratio of 6:1–18:1 on the kinetics of the fatty acid methyl esters synthesis were established. Moreover, the leaching and reusability of the catalyst were assessed. The obtained results revealed that hazelnut shell ash was mostly composed of K, Ca, and Mg. The highest ester content (98%) was achieved at the catalyst loading of 5%, the methanol-to-oil molar ratio of 12:1, and the reaction time of 10 min. The contribution of homogeneous catalysis because of the catalyst leaching was confirmed but did not determine the overall reaction rate. The catalyst can be reused after the recalcination at 800 °C for 2 h achieving the high methyl esters content (>96%) in 30 min after three subsequent runs. The overall reaction followed the pseudo-first-order kinetics with respect to triacylglycerols. A linear relationship between the apparent reaction rate constant and the catalyst loading and the methanol-to-oil molar ratio was determined. The determined value of the reaction rate constant was 0.0576 dm6/(min•mol2).",
publisher = "Elsevier",
journal = "Renewable Energy",
title = "Transesterification of used cooking sunflower oil catalyzed by hazelnut shell ash",
pages = "103-113",
volume = "183",
doi = "10.1016/j.renene.2021.10.071",
url = "https://hdl.handle.net/21.15107/rcub_dais_12337"
}

Miladinović, M. M., Krstić, J. B., Zdujić, M. V., Veselinović, L. M., Veljović, Đ. N., Banković-Ilić, I. B., Stamenković, O. S.,& Veljković, V. B.. (2022). Transesterification of used cooking sunflower oil catalyzed by hazelnut shell ash. in Renewable Energy
Elsevier., 183, 103-113.
https://doi.org/10.1016/j.renene.2021.10.071
https://hdl.handle.net/21.15107/rcub_dais_12337

Miladinović MM, Krstić JB, Zdujić MV, Veselinović LM, Veljović ĐN, Banković-Ilić IB, Stamenković OS, Veljković VB. Transesterification of used cooking sunflower oil catalyzed by hazelnut shell ash. in Renewable Energy. 2022;183:103-113.
doi:10.1016/j.renene.2021.10.071
https://hdl.handle.net/21.15107/rcub_dais_12337 .

Miladinović, Marija M., Krstić, Jugoslav B., Zdujić, Miodrag V., Veselinović, Ljiljana M., Veljović, Đorđe N., Banković-Ilić, Ivana B., Stamenković, Olivera S., Veljković, Vlada B., "Transesterification of used cooking sunflower oil catalyzed by hazelnut shell ash" in Renewable Energy, 183 (2022):103-113,
https://doi.org/10.1016/j.renene.2021.10.071 .,
https://hdl.handle.net/21.15107/rcub_dais_12337 .

TY  - CONF
AU  - Đorđević, Biljana
AU  - Kostić, Milan
AU  - Todorović, Zoran
AU  - Stamenković, Olivera
AU  - Veselinović, Ljiljana
AU  - Veljković, Vlada B.
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/13604
AB  - Black mustard (Brassica nigra L.) seeds oil (BMSO), characterized by a high content of erucic acid (C22:1), belongs to inedible oils. Since BMSO has a high percentage of monounsaturated and branched fatty acids, it is a suitable raw material for biodiesel production. Also, green cosolvents, like deep eutectic solvents (DESs), can improve the biodiesel production process. This study reports the influence of the triethanolamine:choline chloride DES (2:1 mol/mol) on the BMSO ethanolysis over calcined CaO as a catalyst, under the following reaction conditions: temperature of 50, 60, and 70 ºC, ethanol-to-oil molar ratio of 12:1, as well as TEOA:ChCl DES and calcined CaO content of 20% and 10%, respectively. At 70 ºC, the ChCl:TEOA DES provided a high content of fatty acid ethyl esters (FAEE) (98.46±0.7%) after 1.5 min, compared to the control reaction (without the presence of DES), where the maximum FAEE content (98.05±0.6%) was achieved within 4 h. BMSO ethanolysis was described by the kinetic model of the pseudo-first order and the model of variable reaction order concerning TAG and the autocatalytic behavior of the ethanolysis reaction. Both kinetic models, with great accuracy, fitted the experimental data. As a result, physicochemical properties of the obtained biodiesel were within the limit values prescribed by the quality standard EN 14214. Also, the reusability of calcined CaO was proven even in four cycles with the FAEE content of over 90%.
PB  - Novi Sad : University of Novi Sad, Faculty of Technology
C3  - Book of abstracts / 2nd International Conference on Advanced Production and Processing, 20th-22nd October 2022, Novi Sad
T1  - A triethanolamine:choline chloride deep eutectic solvent as a cosolvent in the ethanolysis of Brassica nigra L. seed oil
SP  - 206
EP  - 206
UR  - https://hdl.handle.net/21.15107/rcub_dais_13604
ER  - 

@conference{
author = "Đorđević, Biljana and Kostić, Milan and Todorović, Zoran and Stamenković, Olivera and Veselinović, Ljiljana and Veljković, Vlada B.",
year = "2022",
abstract = "Black mustard (Brassica nigra L.) seeds oil (BMSO), characterized by a high content of erucic acid (C22:1), belongs to inedible oils. Since BMSO has a high percentage of monounsaturated and branched fatty acids, it is a suitable raw material for biodiesel production. Also, green cosolvents, like deep eutectic solvents (DESs), can improve the biodiesel production process. This study reports the influence of the triethanolamine:choline chloride DES (2:1 mol/mol) on the BMSO ethanolysis over calcined CaO as a catalyst, under the following reaction conditions: temperature of 50, 60, and 70 ºC, ethanol-to-oil molar ratio of 12:1, as well as TEOA:ChCl DES and calcined CaO content of 20% and 10%, respectively. At 70 ºC, the ChCl:TEOA DES provided a high content of fatty acid ethyl esters (FAEE) (98.46±0.7%) after 1.5 min, compared to the control reaction (without the presence of DES), where the maximum FAEE content (98.05±0.6%) was achieved within 4 h. BMSO ethanolysis was described by the kinetic model of the pseudo-first order and the model of variable reaction order concerning TAG and the autocatalytic behavior of the ethanolysis reaction. Both kinetic models, with great accuracy, fitted the experimental data. As a result, physicochemical properties of the obtained biodiesel were within the limit values prescribed by the quality standard EN 14214. Also, the reusability of calcined CaO was proven even in four cycles with the FAEE content of over 90%.",
publisher = "Novi Sad : University of Novi Sad, Faculty of Technology",
journal = "Book of abstracts / 2nd International Conference on Advanced Production and Processing, 20th-22nd October 2022, Novi Sad",
title = "A triethanolamine:choline chloride deep eutectic solvent as a cosolvent in the ethanolysis of Brassica nigra L. seed oil",
pages = "206-206",
url = "https://hdl.handle.net/21.15107/rcub_dais_13604"
}

Đorđević, B., Kostić, M., Todorović, Z., Stamenković, O., Veselinović, L.,& Veljković, V. B.. (2022). A triethanolamine:choline chloride deep eutectic solvent as a cosolvent in the ethanolysis of Brassica nigra L. seed oil. in Book of abstracts / 2nd International Conference on Advanced Production and Processing, 20th-22nd October 2022, Novi Sad
Novi Sad : University of Novi Sad, Faculty of Technology., 206-206.
https://hdl.handle.net/21.15107/rcub_dais_13604

Đorđević B, Kostić M, Todorović Z, Stamenković O, Veselinović L, Veljković VB. A triethanolamine:choline chloride deep eutectic solvent as a cosolvent in the ethanolysis of Brassica nigra L. seed oil. in Book of abstracts / 2nd International Conference on Advanced Production and Processing, 20th-22nd October 2022, Novi Sad. 2022;:206-206.
https://hdl.handle.net/21.15107/rcub_dais_13604 .

Đorđević, Biljana, Kostić, Milan, Todorović, Zoran, Stamenković, Olivera, Veselinović, Ljiljana, Veljković, Vlada B., "A triethanolamine:choline chloride deep eutectic solvent as a cosolvent in the ethanolysis of Brassica nigra L. seed oil" in Book of abstracts / 2nd International Conference on Advanced Production and Processing, 20th-22nd October 2022, Novi Sad (2022):206-206,
https://hdl.handle.net/21.15107/rcub_dais_13604 .

TY  - CONF
AU  - Marković, Smilja
AU  - Machado, T. M.
AU  - Dinić, Ivana
AU  - Veselinović, Ljiljana
AU  - Janković Častvan, Ivona
AU  - Marinković, Bojan A.
AU  - Mančić, Lidija
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/12989
AB  - Micro- and nano-sized core-shell particles for efficient photocatalysis were successfully synthesized by a two step wet-chemical route. The core composed of up-converting (UC) NaYF4:Yb,Tm phase was prepared through EDTA assisted hydrothermal process, while the shell of anatase TiO2 –Acetylacetone (TiO2-Acac) charge-transfer complex was formed via a sol-gel method. During coating, the effect of polyvinylpyrrolidone (PVP) addition on the core and shell coupling was investigated. Two forms of core structures were obtained: hexagonal microprisms of beta-NaYF4:Yb,Tm and alpha-NaYF4:Yb,Tm nanospheres, both coated with TiO2-Acac nanocrystals.
PB  - Belgrade : Society of Physical Chemists of Serbia
C3  - Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia
T1  - Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis
UR  - https://hdl.handle.net/21.15107/rcub_dais_12989
ER  - 

@conference{
author = "Marković, Smilja and Machado, T. M. and Dinić, Ivana and Veselinović, Ljiljana and Janković Častvan, Ivona and Marinković, Bojan A. and Mančić, Lidija",
year = "2021",
abstract = "Micro- and nano-sized core-shell particles for efficient photocatalysis were successfully synthesized by a two step wet-chemical route. The core composed of up-converting (UC) NaYF4:Yb,Tm phase was prepared through EDTA assisted hydrothermal process, while the shell of anatase TiO2 –Acetylacetone (TiO2-Acac) charge-transfer complex was formed via a sol-gel method. During coating, the effect of polyvinylpyrrolidone (PVP) addition on the core and shell coupling was investigated. Two forms of core structures were obtained: hexagonal microprisms of beta-NaYF4:Yb,Tm and alpha-NaYF4:Yb,Tm nanospheres, both coated with TiO2-Acac nanocrystals.",
publisher = "Belgrade : Society of Physical Chemists of Serbia",
journal = "Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia",
title = "Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis",
url = "https://hdl.handle.net/21.15107/rcub_dais_12989"
}

Marković, S., Machado, T. M., Dinić, I., Veselinović, L., Janković Častvan, I., Marinković, B. A.,& Mančić, L.. (2021). Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis. in Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia
Belgrade : Society of Physical Chemists of Serbia..
https://hdl.handle.net/21.15107/rcub_dais_12989

Marković S, Machado TM, Dinić I, Veselinović L, Janković Častvan I, Marinković BA, Mančić L. Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis. in Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia. 2021;.
https://hdl.handle.net/21.15107/rcub_dais_12989 .

Marković, Smilja, Machado, T. M., Dinić, Ivana, Veselinović, Ljiljana, Janković Častvan, Ivona, Marinković, Bojan A., Mančić, Lidija, "Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis" in Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia (2021),
https://hdl.handle.net/21.15107/rcub_dais_12989 .

TY  - CONF
AU  - Stanković, Ana
AU  - Veselinović, Ljiljana
AU  - Škapin, Srečo Davor
AU  - Marković, Smilja
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/11911
AB  - It is known that the functional properties of zinc oxide (ZnO) materials depend on their physico-chemical properties, such as optical properties and specific surface area. They are defined with structural characteristics, for example: the particle size and morphology, phase composition, crystallite size, crystallinity degree, as well as the crystal structure ordering, i.e., the presence of structural defects. The primary purpose of this study was to synthesize ZnO powders with various physico-chemical properties by optimizing the reaction conditions in different processing methods. For example, reaction temperature or addition of various surfactants such as polyvinyl alcohol, polyvinyl pyrrolidone, or polyethylene oxide. In this study, to vary physico-chemical properties of ZnO particles, four different synthesis methods were employed: mechanochemical, hydrothermal, ultrasonic and microwave processing. Structural and morphological properties of prepared ZnO powders were characterized using a number of techniques such as: X-ray powder diffraction (XRPD), Raman and Fourier transform infrared (FTIR) spectroscopy, field emission scanning electron microscopy (FESEM), UV-Vis diffuse reflectance and photoluminescence (PL) spectroscopy. One of the functional properties of the synthesized ZnO powders that was particularly examined is photocatalytic activity. In order to examine ZnO as a photocatalyst, photodegradation of methylene blue (MB) dye was carried out under simulated and direct sunlight irradiation. The UV–Vis spectra showed that the modification of the particle size and morphology from nanospheres to micro-rods resulted in increased absorption, and a slight red-shift of the absorption edge. Besides, the band gap energy of the synthesized ZnO micro and nanocrystals showed the red shift compared to bulk ZnO. According to the results of a Raman spectroscopy, the enhanced visible light absorption of the ZnO micro and nanocrystals is related to two phenomena: the existence of lattice defects (oxygen vacancies and zinc interstitials), and the particle surface sensitization by different surfactants.
PB  - Belgrade : Serbian Ceramic Society
C3  - Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021
T1  - Synthesis and characterization of ZnO nano/micro crystals with enhanced sunlight-induced photo-catalytic activity
SP  - 36
EP  - 36
UR  - https://hdl.handle.net/21.15107/rcub_dais_11911
ER  - 

@conference{
author = "Stanković, Ana and Veselinović, Ljiljana and Škapin, Srečo Davor and Marković, Smilja",
year = "2021",
abstract = "It is known that the functional properties of zinc oxide (ZnO) materials depend on their physico-chemical properties, such as optical properties and specific surface area. They are defined with structural characteristics, for example: the particle size and morphology, phase composition, crystallite size, crystallinity degree, as well as the crystal structure ordering, i.e., the presence of structural defects. The primary purpose of this study was to synthesize ZnO powders with various physico-chemical properties by optimizing the reaction conditions in different processing methods. For example, reaction temperature or addition of various surfactants such as polyvinyl alcohol, polyvinyl pyrrolidone, or polyethylene oxide. In this study, to vary physico-chemical properties of ZnO particles, four different synthesis methods were employed: mechanochemical, hydrothermal, ultrasonic and microwave processing. Structural and morphological properties of prepared ZnO powders were characterized using a number of techniques such as: X-ray powder diffraction (XRPD), Raman and Fourier transform infrared (FTIR) spectroscopy, field emission scanning electron microscopy (FESEM), UV-Vis diffuse reflectance and photoluminescence (PL) spectroscopy. One of the functional properties of the synthesized ZnO powders that was particularly examined is photocatalytic activity. In order to examine ZnO as a photocatalyst, photodegradation of methylene blue (MB) dye was carried out under simulated and direct sunlight irradiation. The UV–Vis spectra showed that the modification of the particle size and morphology from nanospheres to micro-rods resulted in increased absorption, and a slight red-shift of the absorption edge. Besides, the band gap energy of the synthesized ZnO micro and nanocrystals showed the red shift compared to bulk ZnO. According to the results of a Raman spectroscopy, the enhanced visible light absorption of the ZnO micro and nanocrystals is related to two phenomena: the existence of lattice defects (oxygen vacancies and zinc interstitials), and the particle surface sensitization by different surfactants.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021",
title = "Synthesis and characterization of ZnO nano/micro crystals with enhanced sunlight-induced photo-catalytic activity",
pages = "36-36",
url = "https://hdl.handle.net/21.15107/rcub_dais_11911"
}

Stanković, A., Veselinović, L., Škapin, S. D.,& Marković, S.. (2021). Synthesis and characterization of ZnO nano/micro crystals with enhanced sunlight-induced photo-catalytic activity. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021
Belgrade : Serbian Ceramic Society., 36-36.
https://hdl.handle.net/21.15107/rcub_dais_11911

Stanković A, Veselinović L, Škapin SD, Marković S. Synthesis and characterization of ZnO nano/micro crystals with enhanced sunlight-induced photo-catalytic activity. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021. 2021;:36-36.
https://hdl.handle.net/21.15107/rcub_dais_11911 .

Stanković, Ana, Veselinović, Ljiljana, Škapin, Srečo Davor, Marković, Smilja, "Synthesis and characterization of ZnO nano/micro crystals with enhanced sunlight-induced photo-catalytic activity" in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021 (2021):36-36,
https://hdl.handle.net/21.15107/rcub_dais_11911 .

TY  - CONF
AU  - Vuković, Marina
AU  - Dinić, Ivana
AU  - Jardim, Paula M.
AU  - Marković, Smilja
AU  - Veselinović, Ljiljana
AU  - Nikolić, Marko G.
AU  - Mančić, Lidija
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/11915
AB  - Up-conversion is the optical property of materials which have ability to convert low energy photons (usually from infrared spectrum) into higher energy photons (from visible spectrum). Such compounds, usually lanthanide doped oxides or fluorides, have many applications in photoluminescence science and technology today. Currently, (β) NaYF4:Yb,Er polymorph is considered to be the most efficient up-converting material. Its synthesis usually includes the usage of toxic solvents, long-term heating, high pressures, controlled gas atmosphere, etc. The aim of this work was to utilize rarely applied sonochemical synthesis for the stabilization of (β) NaYF4:Yb,Er phase under mild and environmental friendly conditions. For this purpose, we performed ultrasonic treatment of common nitrate precursors and sodium fluorine for a different time. The obtained powders were analyzed in order to determine their phase composition and thermal stability, morphology, dopants distribution, particles surface purity and luminescent characteristics. Owing to this, the chemical and crystal phase transformations that occurred  in specified periods of synthesis time are explained in detail. Moreover, it was shown that obtaining of uniformly doped (β) NaYF4:Yb,Er mosocrystalline particles is possible after 2h of sonication.
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021
T1  - Sonochemical synthesis of optically active fluorides
SP  - 33
EP  - 33
UR  - https://hdl.handle.net/21.15107/rcub_dais_11915
ER  - 

@conference{
author = "Vuković, Marina and Dinić, Ivana and Jardim, Paula M. and Marković, Smilja and Veselinović, Ljiljana and Nikolić, Marko G. and Mančić, Lidija",
year = "2021",
abstract = "Up-conversion is the optical property of materials which have ability to convert low energy photons (usually from infrared spectrum) into higher energy photons (from visible spectrum). Such compounds, usually lanthanide doped oxides or fluorides, have many applications in photoluminescence science and technology today. Currently, (β) NaYF4:Yb,Er polymorph is considered to be the most efficient up-converting material. Its synthesis usually includes the usage of toxic solvents, long-term heating, high pressures, controlled gas atmosphere, etc. The aim of this work was to utilize rarely applied sonochemical synthesis for the stabilization of (β) NaYF4:Yb,Er phase under mild and environmental friendly conditions. For this purpose, we performed ultrasonic treatment of common nitrate precursors and sodium fluorine for a different time. The obtained powders were analyzed in order to determine their phase composition and thermal stability, morphology, dopants distribution, particles surface purity and luminescent characteristics. Owing to this, the chemical and crystal phase transformations that occurred  in specified periods of synthesis time are explained in detail. Moreover, it was shown that obtaining of uniformly doped (β) NaYF4:Yb,Er mosocrystalline particles is possible after 2h of sonication.",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021",
title = "Sonochemical synthesis of optically active fluorides",
pages = "33-33",
url = "https://hdl.handle.net/21.15107/rcub_dais_11915"
}

Vuković, M., Dinić, I., Jardim, P. M., Marković, S., Veselinović, L., Nikolić, M. G.,& Mančić, L.. (2021). Sonochemical synthesis of optically active fluorides. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021
Belgrade : Institute of Technical Sciences of SASA., 33-33.
https://hdl.handle.net/21.15107/rcub_dais_11915

Vuković M, Dinić I, Jardim PM, Marković S, Veselinović L, Nikolić MG, Mančić L. Sonochemical synthesis of optically active fluorides. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021. 2021;:33-33.
https://hdl.handle.net/21.15107/rcub_dais_11915 .

Vuković, Marina, Dinić, Ivana, Jardim, Paula M., Marković, Smilja, Veselinović, Ljiljana, Nikolić, Marko G., Mančić, Lidija, "Sonochemical synthesis of optically active fluorides" in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021 (2021):33-33,
https://hdl.handle.net/21.15107/rcub_dais_11915 .

TY  - CONF
AU  - Nikolić, Irena
AU  - Đurović, Dijana
AU  - Marković, Smilja
AU  - Veselinović, Ljiljana
AU  - Janković, Ivona
AU  - Radmilović, Vuk V.
AU  - Radmilović, Velimir R.
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/12074
AB  - The newer methods of electric arc furnace dust (EAFD) valorisation include its stabilization into materials which potentially can be used in construction. This is the most promising method because of the low costs and waste reduction. The purpose of these study was to investigate the properties of alkali activated cement (AAC) based on fly ash (FA) or steelmaking electric arc furnace slag (EAFS) as an agent fora stabilization/solidification of EAFD. The control type of AAC samples were prepared by mixing of solid precursor (FA or EAFS) with a mixture of 10 M NaOH and Na2SiO3 solutions followed by curing at in the oven for 48 h at 65 C. The samples of AAC doped with EAFD were prepared at the same conditions but the EAFD was added to the starting mixtures with FA in quantities of 10, 20 and 30% of total solid phase and 1, 2, 5 and 7 % of total EAFS solid phase. The results have shown that both, FA and EAFS can be successfully used as an agent for EAFD stabilization. AAC samples based of FA and EAFS exhibited strength which is suitable for both, landfill and construction applications. Stabilization of EAFD into the AAC matrix occurred by chemical and physical immobilization. Chemical immobilization of Zn into the reaction product of FA and EAFS alkali activation was confirmed by SEM/EDS investigations. The leaching of Zn from both, AAC matrix based on FA and EAFS is inferior in comparison to pristine EAFD and met the criteria for granular waste disposal at landfills for non-hazardous waste according the EN 12457-2 test.
PB  - Belgrade : Materials Research Society of Serbia
C3  - Programme and the Book of abstracts / Twenty-second Annual Conference YUCOMAT 2021 Herceg Novi, Montenegro, August 30 - September 3, 2021
T1  - New environmentally acceptable materials based on flay ash, steelmaking slag and Zn-reach electric arc furnace dust
T1  - New environmentally acceptable materials based on fly ash, steelmaking slag and Zn-reach electric arc furnace dust
SP  - 114
EP  - 114
UR  - https://hdl.handle.net/21.15107/rcub_dais_12074
ER  - 

@conference{
author = "Nikolić, Irena and Đurović, Dijana and Marković, Smilja and Veselinović, Ljiljana and Janković, Ivona and Radmilović, Vuk V. and Radmilović, Velimir R.",
year = "2021",
abstract = "The newer methods of electric arc furnace dust (EAFD) valorisation include its stabilization into materials which potentially can be used in construction. This is the most promising method because of the low costs and waste reduction. The purpose of these study was to investigate the properties of alkali activated cement (AAC) based on fly ash (FA) or steelmaking electric arc furnace slag (EAFS) as an agent fora stabilization/solidification of EAFD. The control type of AAC samples were prepared by mixing of solid precursor (FA or EAFS) with a mixture of 10 M NaOH and Na2SiO3 solutions followed by curing at in the oven for 48 h at 65 C. The samples of AAC doped with EAFD were prepared at the same conditions but the EAFD was added to the starting mixtures with FA in quantities of 10, 20 and 30% of total solid phase and 1, 2, 5 and 7 % of total EAFS solid phase. The results have shown that both, FA and EAFS can be successfully used as an agent for EAFD stabilization. AAC samples based of FA and EAFS exhibited strength which is suitable for both, landfill and construction applications. Stabilization of EAFD into the AAC matrix occurred by chemical and physical immobilization. Chemical immobilization of Zn into the reaction product of FA and EAFS alkali activation was confirmed by SEM/EDS investigations. The leaching of Zn from both, AAC matrix based on FA and EAFS is inferior in comparison to pristine EAFD and met the criteria for granular waste disposal at landfills for non-hazardous waste according the EN 12457-2 test.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "Programme and the Book of abstracts / Twenty-second Annual Conference YUCOMAT 2021 Herceg Novi, Montenegro, August 30 - September 3, 2021",
title = "New environmentally acceptable materials based on flay ash, steelmaking slag and Zn-reach electric arc furnace dust, New environmentally acceptable materials based on fly ash, steelmaking slag and Zn-reach electric arc furnace dust",
pages = "114-114",
url = "https://hdl.handle.net/21.15107/rcub_dais_12074"
}

Nikolić, I., Đurović, D., Marković, S., Veselinović, L., Janković, I., Radmilović, V. V.,& Radmilović, V. R.. (2021). New environmentally acceptable materials based on flay ash, steelmaking slag and Zn-reach electric arc furnace dust. in Programme and the Book of abstracts / Twenty-second Annual Conference YUCOMAT 2021 Herceg Novi, Montenegro, August 30 - September 3, 2021
Belgrade : Materials Research Society of Serbia., 114-114.
https://hdl.handle.net/21.15107/rcub_dais_12074

Nikolić I, Đurović D, Marković S, Veselinović L, Janković I, Radmilović VV, Radmilović VR. New environmentally acceptable materials based on flay ash, steelmaking slag and Zn-reach electric arc furnace dust. in Programme and the Book of abstracts / Twenty-second Annual Conference YUCOMAT 2021 Herceg Novi, Montenegro, August 30 - September 3, 2021. 2021;:114-114.
https://hdl.handle.net/21.15107/rcub_dais_12074 .

Nikolić, Irena, Đurović, Dijana, Marković, Smilja, Veselinović, Ljiljana, Janković, Ivona, Radmilović, Vuk V., Radmilović, Velimir R., "New environmentally acceptable materials based on flay ash, steelmaking slag and Zn-reach electric arc furnace dust" in Programme and the Book of abstracts / Twenty-second Annual Conference YUCOMAT 2021 Herceg Novi, Montenegro, August 30 - September 3, 2021 (2021):114-114,
https://hdl.handle.net/21.15107/rcub_dais_12074 .

TY  - CONF
AU  - Marković, Smilja
AU  - Machado, T. M.
AU  - Dinić, Ivana
AU  - Veselinović, Ljiljana
AU  - Janković-Častvan, Ivona
AU  - Marinković, Bojan A.
AU  - Mančić, Lidija
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/12360
AB  - Micro- and nano-sized core-shell particles for efficient photocatalysis were successfully synthesized by a two step wet-chemical route. The core composed of up-converting (UC) NaYF4:Yb,Tm phase was prepared through EDTA assisted hydrothermal process, while the shell of anatase TiO2 –Acetylacetone (TiO2-Acac) charge-transfer complex was formed via a sol-gel method. During coating, the effect of polyvinylpyrrolidone (PVP) addition on the core and shell coupling was investigated. Two forms of core structures were obtained: hexagonal microprisms of -NaYF4:Yb,Tm and -NaYF4:Yb,Tm nanospheres, both coated with TiO2-Acac nanocrystals.
PB  - Belgrade : Society of Physical Chemists of Serbia
C3  - 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry : Physical chemistry 2021
T1  - Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acacc micro- and nano-sized particles for efficient photocatalysis
SP  - 76
EP  - 76
UR  - https://hdl.handle.net/21.15107/rcub_dais_12360
ER  - 

@conference{
author = "Marković, Smilja and Machado, T. M. and Dinić, Ivana and Veselinović, Ljiljana and Janković-Častvan, Ivona and Marinković, Bojan A. and Mančić, Lidija",
year = "2021",
abstract = "Micro- and nano-sized core-shell particles for efficient photocatalysis were successfully synthesized by a two step wet-chemical route. The core composed of up-converting (UC) NaYF4:Yb,Tm phase was prepared through EDTA assisted hydrothermal process, while the shell of anatase TiO2 –Acetylacetone (TiO2-Acac) charge-transfer complex was formed via a sol-gel method. During coating, the effect of polyvinylpyrrolidone (PVP) addition on the core and shell coupling was investigated. Two forms of core structures were obtained: hexagonal microprisms of -NaYF4:Yb,Tm and -NaYF4:Yb,Tm nanospheres, both coated with TiO2-Acac nanocrystals.",
publisher = "Belgrade : Society of Physical Chemists of Serbia",
journal = "15th International Conference on Fundamental and Applied Aspects of Physical Chemistry : Physical chemistry 2021",
title = "Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acacc micro- and nano-sized particles for efficient photocatalysis",
pages = "76-76",
url = "https://hdl.handle.net/21.15107/rcub_dais_12360"
}

Marković, S., Machado, T. M., Dinić, I., Veselinović, L., Janković-Častvan, I., Marinković, B. A.,& Mančić, L.. (2021). Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acacc micro- and nano-sized particles for efficient photocatalysis. in 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry : Physical chemistry 2021
Belgrade : Society of Physical Chemists of Serbia., 76-76.
https://hdl.handle.net/21.15107/rcub_dais_12360

Marković S, Machado TM, Dinić I, Veselinović L, Janković-Častvan I, Marinković BA, Mančić L. Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acacc micro- and nano-sized particles for efficient photocatalysis. in 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry : Physical chemistry 2021. 2021;:76-76.
https://hdl.handle.net/21.15107/rcub_dais_12360 .

Marković, Smilja, Machado, T. M., Dinić, Ivana, Veselinović, Ljiljana, Janković-Častvan, Ivona, Marinković, Bojan A., Mančić, Lidija, "Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acacc micro- and nano-sized particles for efficient photocatalysis" in 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry : Physical chemistry 2021 (2021):76-76,
https://hdl.handle.net/21.15107/rcub_dais_12360 .

TY  - CONF
AU  - Veselinović, Ljiljana
AU  - Mitrić, Miodrag
AU  - Mančić, Lidija
AU  - Jardim, Paula M.
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/11914
AB  - The CaCu3Ti4O12 belongs to the large ACu3B4O12 family of materials. Crystallographic A site is most often occupied by alkaline-earth metals or lanthanides, while B site is occupied by transition metals. The type of cations that build up the structure strongly affects the properties of these. The CaCu3Ti4O12 has been extensively studied due to its high dielectric permittivity stable over a wide temperature and frequency range (up to 105, for 100-600 K and 102–105 Hz). Because of such characteristics, it has promising application in microelectronics. However, it has been shown that differences in the crystal structure and electrical properties of dielectric ceramics and metallic electrodes, may cause an energy barrier and occurrence of stress on the ceramic-electrode contact which reduces dielectric permittivity. Such stress can be prevented by using dielectric and electrode materials with as much as possible similar crystal structure, especially unit cell parameters. This investigation dealt with detailed structural (XRPD, HRTEM, SAED), dielectric and magnetic study of CaCu3Ti4-xRuxO12 (CCTRO, x = 0, 1 and 4) materials. The results of structural refinement show that in cubic symmetry with space group Im3 , both titanium and ruthenium ions occupied crystallographic B site. Moreover, the variation in stoichiometry slightly affects the value of the unit cell parameters but changes electrical properties of studied material. Thus, substitution of even one atom of Ru in CaCu3Ti4-xRuxO12 unit cell is enough to change material properties from dielectric to conductor solving the problem of stress appearance on the contact layer of dielectric/electrode in capacitors.
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021
T1  - CaCu3Ti4-xRuxO12: Crystal structure, electrical and magnetic properties
SP  - 32
EP  - 32
UR  - https://hdl.handle.net/21.15107/rcub_dais_11914
ER  - 

@conference{
author = "Veselinović, Ljiljana and Mitrić, Miodrag and Mančić, Lidija and Jardim, Paula M.",
year = "2021",
abstract = "The CaCu3Ti4O12 belongs to the large ACu3B4O12 family of materials. Crystallographic A site is most often occupied by alkaline-earth metals or lanthanides, while B site is occupied by transition metals. The type of cations that build up the structure strongly affects the properties of these. The CaCu3Ti4O12 has been extensively studied due to its high dielectric permittivity stable over a wide temperature and frequency range (up to 105, for 100-600 K and 102–105 Hz). Because of such characteristics, it has promising application in microelectronics. However, it has been shown that differences in the crystal structure and electrical properties of dielectric ceramics and metallic electrodes, may cause an energy barrier and occurrence of stress on the ceramic-electrode contact which reduces dielectric permittivity. Such stress can be prevented by using dielectric and electrode materials with as much as possible similar crystal structure, especially unit cell parameters. This investigation dealt with detailed structural (XRPD, HRTEM, SAED), dielectric and magnetic study of CaCu3Ti4-xRuxO12 (CCTRO, x = 0, 1 and 4) materials. The results of structural refinement show that in cubic symmetry with space group Im3 , both titanium and ruthenium ions occupied crystallographic B site. Moreover, the variation in stoichiometry slightly affects the value of the unit cell parameters but changes electrical properties of studied material. Thus, substitution of even one atom of Ru in CaCu3Ti4-xRuxO12 unit cell is enough to change material properties from dielectric to conductor solving the problem of stress appearance on the contact layer of dielectric/electrode in capacitors.",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021",
title = "CaCu3Ti4-xRuxO12: Crystal structure, electrical and magnetic properties",
pages = "32-32",
url = "https://hdl.handle.net/21.15107/rcub_dais_11914"
}

Veselinović, L., Mitrić, M., Mančić, L.,& Jardim, P. M.. (2021). CaCu3Ti4-xRuxO12: Crystal structure, electrical and magnetic properties. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021
Belgrade : Institute of Technical Sciences of SASA., 32-32.
https://hdl.handle.net/21.15107/rcub_dais_11914

Veselinović L, Mitrić M, Mančić L, Jardim PM. CaCu3Ti4-xRuxO12: Crystal structure, electrical and magnetic properties. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021. 2021;:32-32.
https://hdl.handle.net/21.15107/rcub_dais_11914 .

Veselinović, Ljiljana, Mitrić, Miodrag, Mančić, Lidija, Jardim, Paula M., "CaCu3Ti4-xRuxO12: Crystal structure, electrical and magnetic properties" in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021 (2021):32-32,
https://hdl.handle.net/21.15107/rcub_dais_11914 .