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Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM)

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Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (en)
Ministarstvo prosvete, nauke i tehnološkog razvoja Republike Srbije, Ugovor br. 451-03-68/2020-14/200026 (Univerzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju - IHTM) (sr_RS)
Министарство просвете, науке и технолошког развоја Републике Србије, Уговор бр. 451-03-68/2020-14/200026 (Универзитет у Београду, Институт за хемију, технологију и металургију - ИХТМ) (sr)
Authors

Publications

The influence of the starch coating on the magnetic properties of nanosized cobalt ferrites obtained by different synthetic methods

Šuljagić, Marija; Vulić, Predrag; Jeremić, Dejan; Pavlović, Vladimir B.; Filipović, Suzana; Kilanski, Lukasz; Lewinska, Sabina; Slawska-Waniewska, Anna; Milenković, Milica; Nikolić, Aleksandar S.; Anđelković, Ljubica

(Elsevier, 2021)

TY  - JOUR
AU  - Šuljagić, Marija
AU  - Vulić, Predrag
AU  - Jeremić, Dejan
AU  - Pavlović, Vladimir B.
AU  - Filipović, Suzana
AU  - Kilanski, Lukasz
AU  - Lewinska, Sabina
AU  - Slawska-Waniewska, Anna
AU  - Milenković, Milica
AU  - Nikolić, Aleksandar S.
AU  - Anđelković, Ljubica
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/9515
AB  - To investigate the magnetic behavior of starch-coated cobalt ferrites, well-established synthetic methods, i.e., coprecipitation, mechanochemical, ultrasonically assisted coprecipitation, microemulsion, and microwave-assisted hydrothermal syntheses were chosen for their preparation. The obtained materials had pure single-phase spinel structures. Scanning and transmission electron microscopy analyses revealed that the morphology of the samples is not uniform, and particle aggregation is a dominant process. Fourier transform infrared spectra and thermogravimetric analysis confirmed the presence of starch in all–coated samples. The unusually higher saturation magnetization of starch-coated samples than their as-prepared analogs, obtained by coprecipitation, ultrasonically assisted coprecipitation, and microwave-assisted hydrothermal methods, might be explained by the Ostwald ripening mechanism induced by the coating process. A decrease in magnetization was noticed for the starch-functionalized nanomaterials synthesized by mechanochemical and microemulsion methods, in comparison to their as-prepared analogs, i.e., the size distribution of such nanoparticles is narrow, and the average diameter of the grains is near critical for the Ostwald ripening process.
PB  - Elsevier
T2  - Materials Research Bulletin
T1  - The influence of the starch coating on the magnetic properties of nanosized cobalt ferrites obtained by different synthetic methods
SP  - 111117
VL  - 134
DO  - 10.1016/j.materresbull.2020.111117
ER  - 
@article{
author = "Šuljagić, Marija and Vulić, Predrag and Jeremić, Dejan and Pavlović, Vladimir B. and Filipović, Suzana and Kilanski, Lukasz and Lewinska, Sabina and Slawska-Waniewska, Anna and Milenković, Milica and Nikolić, Aleksandar S. and Anđelković, Ljubica",
year = "2021",
url = "https://dais.sanu.ac.rs/123456789/9515",
abstract = "To investigate the magnetic behavior of starch-coated cobalt ferrites, well-established synthetic methods, i.e., coprecipitation, mechanochemical, ultrasonically assisted coprecipitation, microemulsion, and microwave-assisted hydrothermal syntheses were chosen for their preparation. The obtained materials had pure single-phase spinel structures. Scanning and transmission electron microscopy analyses revealed that the morphology of the samples is not uniform, and particle aggregation is a dominant process. Fourier transform infrared spectra and thermogravimetric analysis confirmed the presence of starch in all–coated samples. The unusually higher saturation magnetization of starch-coated samples than their as-prepared analogs, obtained by coprecipitation, ultrasonically assisted coprecipitation, and microwave-assisted hydrothermal methods, might be explained by the Ostwald ripening mechanism induced by the coating process. A decrease in magnetization was noticed for the starch-functionalized nanomaterials synthesized by mechanochemical and microemulsion methods, in comparison to their as-prepared analogs, i.e., the size distribution of such nanoparticles is narrow, and the average diameter of the grains is near critical for the Ostwald ripening process.",
publisher = "Elsevier",
journal = "Materials Research Bulletin",
title = "The influence of the starch coating on the magnetic properties of nanosized cobalt ferrites obtained by different synthetic methods",
pages = "111117",
volume = "134",
doi = "10.1016/j.materresbull.2020.111117"
}
Šuljagić, M., Vulić, P., Jeremić, D., Pavlović, V. B., Filipović, S., Kilanski, L., Lewinska, S., Slawska-Waniewska, A., Milenković, M., Nikolić, A. S.,& Anđelković, L. (2021). The influence of the starch coating on the magnetic properties of nanosized cobalt ferrites obtained by different synthetic methods.
Materials Research BulletinElsevier., 134, 111117. 
https://doi.org/10.1016/j.materresbull.2020.111117
Šuljagić M, Vulić P, Jeremić D, Pavlović VB, Filipović S, Kilanski L, Lewinska S, Slawska-Waniewska A, Milenković M, Nikolić AS, Anđelković L. The influence of the starch coating on the magnetic properties of nanosized cobalt ferrites obtained by different synthetic methods. Materials Research Bulletin. 2021;134:111117

The influence of the starch coating on the magnetic properties of nanosized cobalt ferrites obtained by different synthetic methods

Šuljagić, Marija; Vulić, Predrag; Jeremić, Dejan; Pavlović, Vladimir B.; Filipović, Suzana; Kilanski, Lukasz; Lewinska, Sabina; Slawska-Waniewska, Anna; Milenković, Milica; Nikolić, Aleksandar S.; Anđelković, Ljubica

(Elsevier, 2021)

TY  - JOUR
AU  - Šuljagić, Marija
AU  - Vulić, Predrag
AU  - Jeremić, Dejan
AU  - Pavlović, Vladimir B.
AU  - Filipović, Suzana
AU  - Kilanski, Lukasz
AU  - Lewinska, Sabina
AU  - Slawska-Waniewska, Anna
AU  - Milenković, Milica
AU  - Nikolić, Aleksandar S.
AU  - Anđelković, Ljubica
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/9514
AB  - To investigate the magnetic behavior of starch-coated cobalt ferrites, well-established synthetic methods, i.e., coprecipitation, mechanochemical, ultrasonically assisted coprecipitation, microemulsion, and microwave-assisted hydrothermal syntheses were chosen for their preparation. The obtained materials had pure single-phase spinel structures. Scanning and transmission electron microscopy analyses revealed that the morphology of the samples is not uniform, and particle aggregation is a dominant process. Fourier transform infrared spectra and thermogravimetric analysis confirmed the presence of starch in all–coated samples. The unusually higher saturation magnetization of starch-coated samples than their as-prepared analogs, obtained by coprecipitation, ultrasonically assisted coprecipitation, and microwave-assisted hydrothermal methods, might be explained by the Ostwald ripening mechanism induced by the coating process. A decrease in magnetization was noticed for the starch-functionalized nanomaterials synthesized by mechanochemical and microemulsion methods, in comparison to their as-prepared analogs, i.e., the size distribution of such nanoparticles is narrow, and the average diameter of the grains is near critical for the Ostwald ripening process.
PB  - Elsevier
T2  - Materials Research Bulletin
T1  - The influence of the starch coating on the magnetic properties of nanosized cobalt ferrites obtained by different synthetic methods
SP  - 111117
VL  - 134
DO  - 10.1016/j.materresbull.2020.111117
ER  - 
@article{
author = "Šuljagić, Marija and Vulić, Predrag and Jeremić, Dejan and Pavlović, Vladimir B. and Filipović, Suzana and Kilanski, Lukasz and Lewinska, Sabina and Slawska-Waniewska, Anna and Milenković, Milica and Nikolić, Aleksandar S. and Anđelković, Ljubica",
year = "2021",
url = "https://dais.sanu.ac.rs/123456789/9514",
abstract = "To investigate the magnetic behavior of starch-coated cobalt ferrites, well-established synthetic methods, i.e., coprecipitation, mechanochemical, ultrasonically assisted coprecipitation, microemulsion, and microwave-assisted hydrothermal syntheses were chosen for their preparation. The obtained materials had pure single-phase spinel structures. Scanning and transmission electron microscopy analyses revealed that the morphology of the samples is not uniform, and particle aggregation is a dominant process. Fourier transform infrared spectra and thermogravimetric analysis confirmed the presence of starch in all–coated samples. The unusually higher saturation magnetization of starch-coated samples than their as-prepared analogs, obtained by coprecipitation, ultrasonically assisted coprecipitation, and microwave-assisted hydrothermal methods, might be explained by the Ostwald ripening mechanism induced by the coating process. A decrease in magnetization was noticed for the starch-functionalized nanomaterials synthesized by mechanochemical and microemulsion methods, in comparison to their as-prepared analogs, i.e., the size distribution of such nanoparticles is narrow, and the average diameter of the grains is near critical for the Ostwald ripening process.",
publisher = "Elsevier",
journal = "Materials Research Bulletin",
title = "The influence of the starch coating on the magnetic properties of nanosized cobalt ferrites obtained by different synthetic methods",
pages = "111117",
volume = "134",
doi = "10.1016/j.materresbull.2020.111117"
}
Šuljagić, M., Vulić, P., Jeremić, D., Pavlović, V. B., Filipović, S., Kilanski, L., Lewinska, S., Slawska-Waniewska, A., Milenković, M., Nikolić, A. S.,& Anđelković, L. (2021). The influence of the starch coating on the magnetic properties of nanosized cobalt ferrites obtained by different synthetic methods.
Materials Research BulletinElsevier., 134, 111117. 
https://doi.org/10.1016/j.materresbull.2020.111117
Šuljagić M, Vulić P, Jeremić D, Pavlović VB, Filipović S, Kilanski L, Lewinska S, Slawska-Waniewska A, Milenković M, Nikolić AS, Anđelković L. The influence of the starch coating on the magnetic properties of nanosized cobalt ferrites obtained by different synthetic methods. Materials Research Bulletin. 2021;134:111117

The NaxMnO2 materials prepared by a glycine-nitrate method as advanced cathode materials for aqueous sodium-ion rechargeable batteries

Rakočević, Lazar; Štrbac, Svetlana; Potočnik, Jelena; Popović, Maja; Jugović, Dragana; Stojković Simatović, Ivana

(Elsevier BV, 2020)

TY  - JOUR
AU  - Rakočević, Lazar
AU  - Štrbac, Svetlana
AU  - Potočnik, Jelena
AU  - Popović, Maja
AU  - Jugović, Dragana
AU  - Stojković Simatović, Ivana
PY  - 2020
UR  - https://dais.sanu.ac.rs/123456789/10035
AB  - Cathodic material for sodium-ion rechargeable batteries based on NaxMnO2 were synthesized by glycine nitrate method and subsequent annealing at high temperatures. Different crystal structures with different morphologies were obtained depending on the annealing temperature: hexagonal layeredα-Na0.7MnO2.05 nanoplates were obtained at 850 °C, while 3-D tunnel structured Na0·4MnO2 and Na0·44MnO2, both with rod-like morphology, were obtained at 800 °C and 900 °C, respectively. The investigations of the electrochemical behavior of obtained cathodic materials in aqueous NaNO3 solution have shown that Na0·44MnO2 obtained at 900 °C has shown the best battery performance. Its initial discharge capacities are 123.5 mA h/g, 113.2 mA h/g, and 102.0 mA h/g at the high current densities of 1000, 2000 and 5000 mA/g, respectively.
PB  - Elsevier BV
T2  - Ceramics International
T1  - The NaxMnO2 materials prepared by a glycine-nitrate method as advanced cathode materials for aqueous sodium-ion rechargeable batteries
DO  - 10.1016/j.ceramint.2020.10.025
ER  - 
@article{
author = "Rakočević, Lazar and Štrbac, Svetlana and Potočnik, Jelena and Popović, Maja and Jugović, Dragana and Stojković Simatović, Ivana",
year = "2020",
url = "https://dais.sanu.ac.rs/123456789/10035",
abstract = "Cathodic material for sodium-ion rechargeable batteries based on NaxMnO2 were synthesized by glycine nitrate method and subsequent annealing at high temperatures. Different crystal structures with different morphologies were obtained depending on the annealing temperature: hexagonal layeredα-Na0.7MnO2.05 nanoplates were obtained at 850 °C, while 3-D tunnel structured Na0·4MnO2 and Na0·44MnO2, both with rod-like morphology, were obtained at 800 °C and 900 °C, respectively. The investigations of the electrochemical behavior of obtained cathodic materials in aqueous NaNO3 solution have shown that Na0·44MnO2 obtained at 900 °C has shown the best battery performance. Its initial discharge capacities are 123.5 mA h/g, 113.2 mA h/g, and 102.0 mA h/g at the high current densities of 1000, 2000 and 5000 mA/g, respectively.",
publisher = "Elsevier BV",
journal = "Ceramics International",
title = "The NaxMnO2 materials prepared by a glycine-nitrate method as advanced cathode materials for aqueous sodium-ion rechargeable batteries",
doi = "10.1016/j.ceramint.2020.10.025"
}
Rakočević, L., Štrbac, S., Potočnik, J., Popović, M., Jugović, D.,& Stojković Simatović, I. (2020). The NaxMnO2 materials prepared by a glycine-nitrate method as advanced cathode materials for aqueous sodium-ion rechargeable batteries.
Ceramics InternationalElsevier BV., null. 
https://doi.org/10.1016/j.ceramint.2020.10.025
Rakočević L, Štrbac S, Potočnik J, Popović M, Jugović D, Stojković Simatović I. The NaxMnO2 materials prepared by a glycine-nitrate method as advanced cathode materials for aqueous sodium-ion rechargeable batteries. Ceramics International. 2020;

Solvent effects on structural changes in self-healing epoxy composites

Radović, Ivana; Stajčić, Aleksandar; Radisavljević, Andjela; Veljković, Filip; Čebela, Maria; Mitić, Vojislav V.; Radojević, Vesna

(Elsevier, 2020)

TY  - JOUR
AU  - Radović, Ivana
AU  - Stajčić, Aleksandar
AU  - Radisavljević, Andjela
AU  - Veljković, Filip
AU  - Čebela, Maria
AU  - Mitić, Vojislav V.
AU  - Radojević, Vesna
PY  - 2020
UR  - https://dais.sanu.ac.rs/123456789/9539
AB  - Nowadays, there is a very high importance of composite research and variety of their applications in the modern world. In that sense, we researched hollow glass capillaries filled with dissolved Grubbs catalyst (GC) and dicyclopentadiene (DCPD) were incorporated into a fiber-reinforced epoxy with the aim of improving the flow of healing agents to the crack site. The morphological investigation of the crack site was performed using field emission scanning electron microscopy (FESEM), showing the difference between the samples depending on the used solvent. The software analysis of sample photographs has been performed by calculating the fractured/ healed surface area of the samples, revealing that approximately 20% of the volume was affected by the impact. Fourier transform infrared spectroscopy (FTIR) revealed that poly (dicyclopentadiene) (PDCPD) formed at the healed interface. However, the FTIR investigation of catalyst stability in different solvents showed structural changes in GC and partial deactivation. The mechanical tests of the samples showed that a recovery of 60% after 24 h at room temperature could be achieved through the use of a solvent and very low concentration of GC. The performed research results are a good base to develop the model for predicting the processes and morphology, with the goal to design the final mechanical and in the future, thermal, properties in advance. This opens a new direction for future research in the field of composite healing.
PB  - Elsevier
T2  - Materials Chemistry and Physics
T1  - Solvent effects on structural changes in self-healing epoxy composites
SP  - 123761
VL  - 256
DO  - 10.1016/j.matchemphys.2020.123761
ER  - 
@article{
author = "Radović, Ivana and Stajčić, Aleksandar and Radisavljević, Andjela and Veljković, Filip and Čebela, Maria and Mitić, Vojislav V. and Radojević, Vesna",
year = "2020",
url = "https://dais.sanu.ac.rs/123456789/9539",
abstract = "Nowadays, there is a very high importance of composite research and variety of their applications in the modern world. In that sense, we researched hollow glass capillaries filled with dissolved Grubbs catalyst (GC) and dicyclopentadiene (DCPD) were incorporated into a fiber-reinforced epoxy with the aim of improving the flow of healing agents to the crack site. The morphological investigation of the crack site was performed using field emission scanning electron microscopy (FESEM), showing the difference between the samples depending on the used solvent. The software analysis of sample photographs has been performed by calculating the fractured/ healed surface area of the samples, revealing that approximately 20% of the volume was affected by the impact. Fourier transform infrared spectroscopy (FTIR) revealed that poly (dicyclopentadiene) (PDCPD) formed at the healed interface. However, the FTIR investigation of catalyst stability in different solvents showed structural changes in GC and partial deactivation. The mechanical tests of the samples showed that a recovery of 60% after 24 h at room temperature could be achieved through the use of a solvent and very low concentration of GC. The performed research results are a good base to develop the model for predicting the processes and morphology, with the goal to design the final mechanical and in the future, thermal, properties in advance. This opens a new direction for future research in the field of composite healing.",
publisher = "Elsevier",
journal = "Materials Chemistry and Physics",
title = "Solvent effects on structural changes in self-healing epoxy composites",
pages = "123761",
volume = "256",
doi = "10.1016/j.matchemphys.2020.123761"
}
Radović, I., Stajčić, A., Radisavljević, A., Veljković, F., Čebela, M., Mitić, V. V.,& Radojević, V. (2020). Solvent effects on structural changes in self-healing epoxy composites.
Materials Chemistry and PhysicsElsevier., 256, 123761. 
https://doi.org/10.1016/j.matchemphys.2020.123761
Radović I, Stajčić A, Radisavljević A, Veljković F, Čebela M, Mitić VV, Radojević V. Solvent effects on structural changes in self-healing epoxy composites. Materials Chemistry and Physics. 2020;256:123761