Jakšić, Zoran

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orcid::0000-0003-4242-8809
  • Jakšić, Zoran (9)
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Author's Bibliography

Modelling the size separation of NdFeB magnetic microparticles by magnetophoresis and gravity settling

Radulović, Katarina; Radovanović, Filip; Ranđelović, Danijela; Jović, Vesna; Lamovec, Jelena; Vasiljević Radović, Dana; Jakšić, Zoran

(Belgrade : ETRAN Society, 2015)

TY  - CONF
AU  - Radulović, Katarina
AU  - Radovanović, Filip
AU  - Ranđelović, Danijela
AU  - Jović, Vesna
AU  - Lamovec, Jelena
AU  - Vasiljević Radović, Dana
AU  - Jakšić, Zoran
PY  - 2015
UR  - https://dais.sanu.ac.rs/123456789/787
AB  - Properties of sintered NdFeB magnets strongly depend on granulation and size distribution of constituent particles, which requires an efficient method for their separation into relatively narrow size fractions. We investigated two methods of magnetic particle separation from a mixture with different sizes using simulation by finite element method: magnetophoresis and gravity settling. In the case of magnetophoresis magnetic particles ranging in diameter from 1 to 10 m were deflected from the direction of continuous laminar flow by a perpendicular magnetic field. Larger particles were deflected from the direction of laminar flow more than smaller particles. The applied flow rate and strength and gradient of the applied magnetic field were the key parameters in controlling the deflection. The gravity settling model simulated spherical particles falling in heptane. Particles of various sizes were divided according to the time they needed to reach the bottom. The model used an axially symmetric fluid-flow simulation in a moving coordinate system connected with the particle, coupled with an ordinary differential equation for the force balance of the particle (gravity and drag force). The grain accelerated from standstill and rapidly reached its terminal velocity. This velocity was approximately proportional to the square of the particle radius, which led to clear separation of 5-10 um particles from those with a diameter of 1 um.
PB  - Belgrade : ETRAN Society
C3  - 59. Konferencija za elektroniku, telekomunikacije, računarstvo, automatiku i nuklearnu tehniku, Srebrno jezero, 8-11. juna, 2015. godine [i] 2nd International Conference on Electrical, Electronic and Computing Engineering IcETRAN 2015 Silver Lake (Srebrno jezero), Serbia, June 8-11, 2015: Proceedings
T1  - Modelling the size separation of NdFeB magnetic microparticles by magnetophoresis and gravity settling
UR  - https://hdl.handle.net/21.15107/rcub_dais_787
ER  - 
@conference{
author = "Radulović, Katarina and Radovanović, Filip and Ranđelović, Danijela and Jović, Vesna and Lamovec, Jelena and Vasiljević Radović, Dana and Jakšić, Zoran",
year = "2015",
abstract = "Properties of sintered NdFeB magnets strongly depend on granulation and size distribution of constituent particles, which requires an efficient method for their separation into relatively narrow size fractions. We investigated two methods of magnetic particle separation from a mixture with different sizes using simulation by finite element method: magnetophoresis and gravity settling. In the case of magnetophoresis magnetic particles ranging in diameter from 1 to 10 m were deflected from the direction of continuous laminar flow by a perpendicular magnetic field. Larger particles were deflected from the direction of laminar flow more than smaller particles. The applied flow rate and strength and gradient of the applied magnetic field were the key parameters in controlling the deflection. The gravity settling model simulated spherical particles falling in heptane. Particles of various sizes were divided according to the time they needed to reach the bottom. The model used an axially symmetric fluid-flow simulation in a moving coordinate system connected with the particle, coupled with an ordinary differential equation for the force balance of the particle (gravity and drag force). The grain accelerated from standstill and rapidly reached its terminal velocity. This velocity was approximately proportional to the square of the particle radius, which led to clear separation of 5-10 um particles from those with a diameter of 1 um.",
publisher = "Belgrade : ETRAN Society",
journal = "59. Konferencija za elektroniku, telekomunikacije, računarstvo, automatiku i nuklearnu tehniku, Srebrno jezero, 8-11. juna, 2015. godine [i] 2nd International Conference on Electrical, Electronic and Computing Engineering IcETRAN 2015 Silver Lake (Srebrno jezero), Serbia, June 8-11, 2015: Proceedings",
title = "Modelling the size separation of NdFeB magnetic microparticles by magnetophoresis and gravity settling",
url = "https://hdl.handle.net/21.15107/rcub_dais_787"
}
Radulović, K., Radovanović, F., Ranđelović, D., Jović, V., Lamovec, J., Vasiljević Radović, D.,& Jakšić, Z.. (2015). Modelling the size separation of NdFeB magnetic microparticles by magnetophoresis and gravity settling. in 59. Konferencija za elektroniku, telekomunikacije, računarstvo, automatiku i nuklearnu tehniku, Srebrno jezero, 8-11. juna, 2015. godine [i] 2nd International Conference on Electrical, Electronic and Computing Engineering IcETRAN 2015 Silver Lake (Srebrno jezero), Serbia, June 8-11, 2015: Proceedings
Belgrade : ETRAN Society..
https://hdl.handle.net/21.15107/rcub_dais_787
Radulović K, Radovanović F, Ranđelović D, Jović V, Lamovec J, Vasiljević Radović D, Jakšić Z. Modelling the size separation of NdFeB magnetic microparticles by magnetophoresis and gravity settling. in 59. Konferencija za elektroniku, telekomunikacije, računarstvo, automatiku i nuklearnu tehniku, Srebrno jezero, 8-11. juna, 2015. godine [i] 2nd International Conference on Electrical, Electronic and Computing Engineering IcETRAN 2015 Silver Lake (Srebrno jezero), Serbia, June 8-11, 2015: Proceedings. 2015;.
https://hdl.handle.net/21.15107/rcub_dais_787 .
Radulović, Katarina, Radovanović, Filip, Ranđelović, Danijela, Jović, Vesna, Lamovec, Jelena, Vasiljević Radović, Dana, Jakšić, Zoran, "Modelling the size separation of NdFeB magnetic microparticles by magnetophoresis and gravity settling" in 59. Konferencija za elektroniku, telekomunikacije, računarstvo, automatiku i nuklearnu tehniku, Srebrno jezero, 8-11. juna, 2015. godine [i] 2nd International Conference on Electrical, Electronic and Computing Engineering IcETRAN 2015 Silver Lake (Srebrno jezero), Serbia, June 8-11, 2015: Proceedings (2015),
https://hdl.handle.net/21.15107/rcub_dais_787 .

Preparation of NdFeB Magnetic Nanoparticles by Surfactant-Assisted High Energy Ball Milling

Lamovec, Jelena; Jović, Vesna; Radovanović, Filip; Ranđelović, Danijela; Radulović, Katarina; Jakšić, Zoran; Vasiljević Radović, Dana

(Belgrade : Materials Research Society of Serbia, 2015)

TY  - CONF
AU  - Lamovec, Jelena
AU  - Jović, Vesna
AU  - Radovanović, Filip
AU  - Ranđelović, Danijela
AU  - Radulović, Katarina
AU  - Jakšić, Zoran
AU  - Vasiljević Radović, Dana
PY  - 2015
UR  - https://dais.sanu.ac.rs/123456789/804
AB  - Improved permanent magnets are essential for emergent applications in electronic and electric devices. Different attempts have been made to produce nanoscale anisotropic rare-earth magnetic powder based on Nd-Fe-B material. Recently, high energy surfactant assisted ball milling has been proven to be an effective technique to produce anisotropic hard magnetic Nd-Fe-B nanoparticles. In this paper we are presenting our experimental results on high energy ball milling in planetary mill "Puverisette 7 premium line" from "Fritsch". Except milling material, there are several variables which influence the milling process for the selected mill type. They are: mechanical properties of the milling media material (bowls, balls, etc.), ball-to-powder ratio (BPR), extent of filling of the milling bowl, milling atmosphere, milling speed and duration, and type of solution and surfactant for wet milling. We are going to give influence of all these parameters on obtained NdFeB magnetic materials with nanosized dimensions starting from Nd2Fe14B HDD (Hydrogenated Disproportionated Desorbed) material. 

Acknowledgements: This work is funded by FP7 project MAG-DRIVE: "New permanent magnets for electric-vehicle drive applications", grant agreement no: 605348.
PB  - Belgrade : Materials Research Society of Serbia
C3  - Seventeenth Annual Conference YUCOMAT 2015, Aug 31-Sep 04, 2015, Herceg Novi, Montenegro, Programme and the Book of Abstracts
T1  - Preparation of NdFeB Magnetic Nanoparticles by Surfactant-Assisted High Energy Ball Milling
SP  - 66
EP  - 66
UR  - https://hdl.handle.net/21.15107/rcub_dais_804
ER  - 
@conference{
author = "Lamovec, Jelena and Jović, Vesna and Radovanović, Filip and Ranđelović, Danijela and Radulović, Katarina and Jakšić, Zoran and Vasiljević Radović, Dana",
year = "2015",
abstract = "Improved permanent magnets are essential for emergent applications in electronic and electric devices. Different attempts have been made to produce nanoscale anisotropic rare-earth magnetic powder based on Nd-Fe-B material. Recently, high energy surfactant assisted ball milling has been proven to be an effective technique to produce anisotropic hard magnetic Nd-Fe-B nanoparticles. In this paper we are presenting our experimental results on high energy ball milling in planetary mill "Puverisette 7 premium line" from "Fritsch". Except milling material, there are several variables which influence the milling process for the selected mill type. They are: mechanical properties of the milling media material (bowls, balls, etc.), ball-to-powder ratio (BPR), extent of filling of the milling bowl, milling atmosphere, milling speed and duration, and type of solution and surfactant for wet milling. We are going to give influence of all these parameters on obtained NdFeB magnetic materials with nanosized dimensions starting from Nd2Fe14B HDD (Hydrogenated Disproportionated Desorbed) material. 

Acknowledgements: This work is funded by FP7 project MAG-DRIVE: "New permanent magnets for electric-vehicle drive applications", grant agreement no: 605348.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "Seventeenth Annual Conference YUCOMAT 2015, Aug 31-Sep 04, 2015, Herceg Novi, Montenegro, Programme and the Book of Abstracts",
title = "Preparation of NdFeB Magnetic Nanoparticles by Surfactant-Assisted High Energy Ball Milling",
pages = "66-66",
url = "https://hdl.handle.net/21.15107/rcub_dais_804"
}
Lamovec, J., Jović, V., Radovanović, F., Ranđelović, D., Radulović, K., Jakšić, Z.,& Vasiljević Radović, D.. (2015). Preparation of NdFeB Magnetic Nanoparticles by Surfactant-Assisted High Energy Ball Milling. in Seventeenth Annual Conference YUCOMAT 2015, Aug 31-Sep 04, 2015, Herceg Novi, Montenegro, Programme and the Book of Abstracts
Belgrade : Materials Research Society of Serbia., 66-66.
https://hdl.handle.net/21.15107/rcub_dais_804
Lamovec J, Jović V, Radovanović F, Ranđelović D, Radulović K, Jakšić Z, Vasiljević Radović D. Preparation of NdFeB Magnetic Nanoparticles by Surfactant-Assisted High Energy Ball Milling. in Seventeenth Annual Conference YUCOMAT 2015, Aug 31-Sep 04, 2015, Herceg Novi, Montenegro, Programme and the Book of Abstracts. 2015;:66-66.
https://hdl.handle.net/21.15107/rcub_dais_804 .
Lamovec, Jelena, Jović, Vesna, Radovanović, Filip, Ranđelović, Danijela, Radulović, Katarina, Jakšić, Zoran, Vasiljević Radović, Dana, "Preparation of NdFeB Magnetic Nanoparticles by Surfactant-Assisted High Energy Ball Milling" in Seventeenth Annual Conference YUCOMAT 2015, Aug 31-Sep 04, 2015, Herceg Novi, Montenegro, Programme and the Book of Abstracts (2015):66-66,
https://hdl.handle.net/21.15107/rcub_dais_804 .

Plasmonic Nanomembranes for Detection and Sensing

Jakšić, Zoran; Matović, Jovan; Obradov, Marko; Tanasković, Dragan; Radovanović, Filip; Jakšić, Olga

(Belgrade : s. n., 2015)

TY  - CONF
AU  - Jakšić, Zoran
AU  - Matović, Jovan
AU  - Obradov, Marko
AU  - Tanasković, Dragan
AU  - Radovanović, Filip
AU  - Jakšić, Olga
PY  - 2015
UR  - https://dais.sanu.ac.rs/123456789/803
AB  - Nanomembranes, freestanding quasi-2D structures with thickness of the order of tens of nm and smaller and a giant aspect ratio with lateral dimensions of the order of millimeters, even centimeters, represent an important building blocks in micro and nanosystems [1], corresponding to ubiquitous bilipid membranes in living cells [2]. In this contribution we present our results in theory, design and experimental fabrication of metallic and metal-dielectric nanomembranes with plasmonic properties, intended for the use in the field of sensing. We first consider different approaches to functionalization and nanostructuring of nanomembranes [3]. These include introduction of noble metal or transparent conductive oxides fillers directly into the nanomembrane, lamination (multilayering) and patterning by 2D arrays of subwavelength nanoholes. Within this context we describe our results on nanofabrication of 8 nm thick chromium-based composite nanomembranes. Biomimetic structures utilizing nanochannel-based pores are also considered. We further present our results related to the design of chemical and biological sensors based on nanomembranes with plasmonic metamaterial properties [4]. Such sensors function as refractometric devices utilizing evanescent near fields as optical concentrators and adsorption-desorption mechanism, which ensures their ultra-high sensitivity that reaches single molecule detection [5]. We present some results on chemical sensors utilizing nanomembranes exhibiting extraordinary optical transmission, as well as those based on doublefishnet structures. Finally we consider the enhancement of infrared detectors by nanomembranes [6] utilizing the designer plasmon mechanism [7].

REFERENCES
1. Jiang, C., Markutsya, S., Pikus, Y., and Tsukruk, V. V., Nature Mater., 3, 721-728 (2004).
2. Matović, J., and Jakšić, Z., "Bionic (Nano)Membranes" in Biomimetics – Materials, Structures and Processes. Examples, Ideas and Case Studies, edited by Gruber, P.; Bruckner, D.; Hellmich, C.; Schmiedmayer, H.-B.; Stachelberger, H.; Gebeshuber, I. C., Berlin: Springer, 2011, pp 9-24.
3. Jakšić, Z., and Matovic, J., Materials, 3, 165-200, (2010).
4. Jakšić, Z., Vuković, S. M., Buha, J., and Matovic, J., J. Nanophotonics, 5, 051818 (2011)
5. Jakšić, Z., Micro and Nanophotonics for Semiconductor Infrared Detectors: Towards an Ultimate Uncooled Device, Cham: Springer, 2014.
6. Zijlstra, P., Paulo, P. M. R., and Orrit, M., Nature Nanotech., 7, 379-382 (2012).
7. Pendry, J. B., Martín-Moreno, L., and Garcia-Vidal, F. J., Science, 305 847-848 (2004).
PB  - Belgrade : s. n.
C3  - XIX Symposium on Condensed Matter Physics SFKM 2015, 7–11 September 2015, Belgrade, Serbia: Book of Abstracts
T1  - Plasmonic Nanomembranes for Detection and Sensing
SP  - 68
EP  - 68
UR  - https://hdl.handle.net/21.15107/rcub_dais_803
ER  - 
@conference{
author = "Jakšić, Zoran and Matović, Jovan and Obradov, Marko and Tanasković, Dragan and Radovanović, Filip and Jakšić, Olga",
year = "2015",
abstract = "Nanomembranes, freestanding quasi-2D structures with thickness of the order of tens of nm and smaller and a giant aspect ratio with lateral dimensions of the order of millimeters, even centimeters, represent an important building blocks in micro and nanosystems [1], corresponding to ubiquitous bilipid membranes in living cells [2]. In this contribution we present our results in theory, design and experimental fabrication of metallic and metal-dielectric nanomembranes with plasmonic properties, intended for the use in the field of sensing. We first consider different approaches to functionalization and nanostructuring of nanomembranes [3]. These include introduction of noble metal or transparent conductive oxides fillers directly into the nanomembrane, lamination (multilayering) and patterning by 2D arrays of subwavelength nanoholes. Within this context we describe our results on nanofabrication of 8 nm thick chromium-based composite nanomembranes. Biomimetic structures utilizing nanochannel-based pores are also considered. We further present our results related to the design of chemical and biological sensors based on nanomembranes with plasmonic metamaterial properties [4]. Such sensors function as refractometric devices utilizing evanescent near fields as optical concentrators and adsorption-desorption mechanism, which ensures their ultra-high sensitivity that reaches single molecule detection [5]. We present some results on chemical sensors utilizing nanomembranes exhibiting extraordinary optical transmission, as well as those based on doublefishnet structures. Finally we consider the enhancement of infrared detectors by nanomembranes [6] utilizing the designer plasmon mechanism [7].

REFERENCES
1. Jiang, C., Markutsya, S., Pikus, Y., and Tsukruk, V. V., Nature Mater., 3, 721-728 (2004).
2. Matović, J., and Jakšić, Z., "Bionic (Nano)Membranes" in Biomimetics – Materials, Structures and Processes. Examples, Ideas and Case Studies, edited by Gruber, P.; Bruckner, D.; Hellmich, C.; Schmiedmayer, H.-B.; Stachelberger, H.; Gebeshuber, I. C., Berlin: Springer, 2011, pp 9-24.
3. Jakšić, Z., and Matovic, J., Materials, 3, 165-200, (2010).
4. Jakšić, Z., Vuković, S. M., Buha, J., and Matovic, J., J. Nanophotonics, 5, 051818 (2011)
5. Jakšić, Z., Micro and Nanophotonics for Semiconductor Infrared Detectors: Towards an Ultimate Uncooled Device, Cham: Springer, 2014.
6. Zijlstra, P., Paulo, P. M. R., and Orrit, M., Nature Nanotech., 7, 379-382 (2012).
7. Pendry, J. B., Martín-Moreno, L., and Garcia-Vidal, F. J., Science, 305 847-848 (2004).",
publisher = "Belgrade : s. n.",
journal = "XIX Symposium on Condensed Matter Physics SFKM 2015, 7–11 September 2015, Belgrade, Serbia: Book of Abstracts",
title = "Plasmonic Nanomembranes for Detection and Sensing",
pages = "68-68",
url = "https://hdl.handle.net/21.15107/rcub_dais_803"
}
Jakšić, Z., Matović, J., Obradov, M., Tanasković, D., Radovanović, F.,& Jakšić, O.. (2015). Plasmonic Nanomembranes for Detection and Sensing. in XIX Symposium on Condensed Matter Physics SFKM 2015, 7–11 September 2015, Belgrade, Serbia: Book of Abstracts
Belgrade : s. n.., 68-68.
https://hdl.handle.net/21.15107/rcub_dais_803
Jakšić Z, Matović J, Obradov M, Tanasković D, Radovanović F, Jakšić O. Plasmonic Nanomembranes for Detection and Sensing. in XIX Symposium on Condensed Matter Physics SFKM 2015, 7–11 September 2015, Belgrade, Serbia: Book of Abstracts. 2015;:68-68.
https://hdl.handle.net/21.15107/rcub_dais_803 .
Jakšić, Zoran, Matović, Jovan, Obradov, Marko, Tanasković, Dragan, Radovanović, Filip, Jakšić, Olga, "Plasmonic Nanomembranes for Detection and Sensing" in XIX Symposium on Condensed Matter Physics SFKM 2015, 7–11 September 2015, Belgrade, Serbia: Book of Abstracts (2015):68-68,
https://hdl.handle.net/21.15107/rcub_dais_803 .

Nanoplasmonic multifunctionalization of glycidyl methacrylate hydrogel membranes for adsorption-based Chemical Sensors with Enhanced Selectivity

Radovanović, Filip; Tomković, Tanja; Nastasović, Aleksandra; Obradov, Marko; Jakšić, Zoran

(2013)

TY  - CONF
AU  - Radovanović, Filip
AU  - Tomković, Tanja
AU  - Nastasović, Aleksandra
AU  - Obradov, Marko
AU  - Jakšić, Zoran
PY  - 2013
UR  - https://dais.sanu.ac.rs/123456789/805
AB  - Affinity-based devices utilizing plasmonic effects belong to the most sensitive chemical sensors. A membrane having a form which coincides with the distribution of surface electromagnetic waves coupled with collective oscillations of electron gas in the conductive part of the sensor represents an important building block for plasmonics. A way to boost selectivity of a plasmonic sensor is to functionalize such membrane and either to apply it on the sensor surface or even to use it as a stand-alone platform for sensing. In this work we considered a possibility to prepare multifunctional membranes for plasmonic sensing. In our experiments selectivity enhancement was achieved through the use of glycidyl methacrylate whose epoxy group is readily converted to a desired affinity group (e.g. amine, thiol, pyridine, dithiocarbamate) to preferently capture a targeted species. Further plasmonic functionalization was obtained by forming a thin hydrogel film through copolymerization of glycidyl methacrylate with mono- and multi-functional methacrylates and then incorporating silver nanoparticles within these nanocomposites. These plasmonic nanoparticles were produced either photochemically or by chemical reduction. Different schemes for plasmonic sensor selectivity enhancement using multifunctionalized glycidyl methacrylate membranes are considered.
C3  - Elektronski zbornik radova 57. konferencije ETRAN, Zlatibor, 3-6. juna 2013.
T1  - Nanoplasmonic multifunctionalization of glycidyl methacrylate hydrogel membranes for adsorption-based Chemical Sensors with Enhanced Selectivity
SP  - MO2.5.1
EP  - MO2.5.5
UR  - https://hdl.handle.net/21.15107/rcub_dais_805
ER  - 
@conference{
author = "Radovanović, Filip and Tomković, Tanja and Nastasović, Aleksandra and Obradov, Marko and Jakšić, Zoran",
year = "2013",
abstract = "Affinity-based devices utilizing plasmonic effects belong to the most sensitive chemical sensors. A membrane having a form which coincides with the distribution of surface electromagnetic waves coupled with collective oscillations of electron gas in the conductive part of the sensor represents an important building block for plasmonics. A way to boost selectivity of a plasmonic sensor is to functionalize such membrane and either to apply it on the sensor surface or even to use it as a stand-alone platform for sensing. In this work we considered a possibility to prepare multifunctional membranes for plasmonic sensing. In our experiments selectivity enhancement was achieved through the use of glycidyl methacrylate whose epoxy group is readily converted to a desired affinity group (e.g. amine, thiol, pyridine, dithiocarbamate) to preferently capture a targeted species. Further plasmonic functionalization was obtained by forming a thin hydrogel film through copolymerization of glycidyl methacrylate with mono- and multi-functional methacrylates and then incorporating silver nanoparticles within these nanocomposites. These plasmonic nanoparticles were produced either photochemically or by chemical reduction. Different schemes for plasmonic sensor selectivity enhancement using multifunctionalized glycidyl methacrylate membranes are considered.",
journal = "Elektronski zbornik radova 57. konferencije ETRAN, Zlatibor, 3-6. juna 2013.",
title = "Nanoplasmonic multifunctionalization of glycidyl methacrylate hydrogel membranes for adsorption-based Chemical Sensors with Enhanced Selectivity",
pages = "MO2.5.1-MO2.5.5",
url = "https://hdl.handle.net/21.15107/rcub_dais_805"
}
Radovanović, F., Tomković, T., Nastasović, A., Obradov, M.,& Jakšić, Z.. (2013). Nanoplasmonic multifunctionalization of glycidyl methacrylate hydrogel membranes for adsorption-based Chemical Sensors with Enhanced Selectivity. in Elektronski zbornik radova 57. konferencije ETRAN, Zlatibor, 3-6. juna 2013., MO2.5.1-MO2.5.5.
https://hdl.handle.net/21.15107/rcub_dais_805
Radovanović F, Tomković T, Nastasović A, Obradov M, Jakšić Z. Nanoplasmonic multifunctionalization of glycidyl methacrylate hydrogel membranes for adsorption-based Chemical Sensors with Enhanced Selectivity. in Elektronski zbornik radova 57. konferencije ETRAN, Zlatibor, 3-6. juna 2013.. 2013;:MO2.5.1-MO2.5.5.
https://hdl.handle.net/21.15107/rcub_dais_805 .
Radovanović, Filip, Tomković, Tanja, Nastasović, Aleksandra, Obradov, Marko, Jakšić, Zoran, "Nanoplasmonic multifunctionalization of glycidyl methacrylate hydrogel membranes for adsorption-based Chemical Sensors with Enhanced Selectivity" in Elektronski zbornik radova 57. konferencije ETRAN, Zlatibor, 3-6. juna 2013. (2013):MO2.5.1-MO2.5.5,
https://hdl.handle.net/21.15107/rcub_dais_805 .

Multifunctionalized Self-supported (Nano) Membranes as Integrated Platform for Plasmonic Metamaterials

Jakšić, Zoran; Radovanović, Filip; Nastasović, Aleksandra; Matović, Jovan

(Cambrridge, MA : The Electromagnetics Academy, 2013)

TY  - CONF
AU  - Jakšić, Zoran
AU  - Radovanović, Filip
AU  - Nastasović, Aleksandra
AU  - Matović, Jovan
PY  - 2013
UR  - https://dais.sanu.ac.rs/123456789/783
AB  - We considered the possibility to fabricate multifunctional nanocomposite membranes as a platform for plasmonic metamaterials, simultaneously incorporating pores, built-in functional groups and active nanoparticles. To this purpose we combined lamination and inclusion of nanofillers into the membrane host. For the basic material we chose macroporous crosslinked copolymers based on glycidyl methacrylate (GMA). The epoxy group present in GMA molecule is readily transformed into various functional groups that further serve as affinity enhancers, ensuring the usability of the membranes as pre-concentrators of selected agents in plasmonic sensors. To form GMA-based membranes we used a recently proposed method combining the traditional immersion precipitation with photopolymerization and crosslinking of functional monomers. Further functionalization is obtained by in-situ formation of noble metal nanoparticles directly within the GMA host. In this way membranes with simultaneous plasmonic, adsorbent and catalytic functionality are obtained. We considered the use of the our structures for plasmonic chemical sensors where separator, pre-concentrator and binding agent are integrated with the plasmonic crystal, as well as for plasmonic enhancement of photocatalytic reactions in microreactors. Our approach gives a highly tailorable element compatible with microelectromechanical systems (MEMS) technologies and readily transferable across platforms.
PB  - Cambrridge, MA : The Electromagnetics Academy
C3  - Progress in Electromagnetics Research Symposium, PIERS 2013, 12-15 August 2013, Stockholm, Sweden
T1  - Multifunctionalized Self-supported (Nano) Membranes as Integrated Platform for Plasmonic Metamaterials
SP  - 1016
EP  - 1020
UR  - https://hdl.handle.net/21.15107/rcub_dais_783
ER  - 
@conference{
author = "Jakšić, Zoran and Radovanović, Filip and Nastasović, Aleksandra and Matović, Jovan",
year = "2013",
abstract = "We considered the possibility to fabricate multifunctional nanocomposite membranes as a platform for plasmonic metamaterials, simultaneously incorporating pores, built-in functional groups and active nanoparticles. To this purpose we combined lamination and inclusion of nanofillers into the membrane host. For the basic material we chose macroporous crosslinked copolymers based on glycidyl methacrylate (GMA). The epoxy group present in GMA molecule is readily transformed into various functional groups that further serve as affinity enhancers, ensuring the usability of the membranes as pre-concentrators of selected agents in plasmonic sensors. To form GMA-based membranes we used a recently proposed method combining the traditional immersion precipitation with photopolymerization and crosslinking of functional monomers. Further functionalization is obtained by in-situ formation of noble metal nanoparticles directly within the GMA host. In this way membranes with simultaneous plasmonic, adsorbent and catalytic functionality are obtained. We considered the use of the our structures for plasmonic chemical sensors where separator, pre-concentrator and binding agent are integrated with the plasmonic crystal, as well as for plasmonic enhancement of photocatalytic reactions in microreactors. Our approach gives a highly tailorable element compatible with microelectromechanical systems (MEMS) technologies and readily transferable across platforms.",
publisher = "Cambrridge, MA : The Electromagnetics Academy",
journal = "Progress in Electromagnetics Research Symposium, PIERS 2013, 12-15 August 2013, Stockholm, Sweden",
title = "Multifunctionalized Self-supported (Nano) Membranes as Integrated Platform for Plasmonic Metamaterials",
pages = "1016-1020",
url = "https://hdl.handle.net/21.15107/rcub_dais_783"
}
Jakšić, Z., Radovanović, F., Nastasović, A.,& Matović, J.. (2013). Multifunctionalized Self-supported (Nano) Membranes as Integrated Platform for Plasmonic Metamaterials. in Progress in Electromagnetics Research Symposium, PIERS 2013, 12-15 August 2013, Stockholm, Sweden
Cambrridge, MA : The Electromagnetics Academy., 1016-1020.
https://hdl.handle.net/21.15107/rcub_dais_783
Jakšić Z, Radovanović F, Nastasović A, Matović J. Multifunctionalized Self-supported (Nano) Membranes as Integrated Platform for Plasmonic Metamaterials. in Progress in Electromagnetics Research Symposium, PIERS 2013, 12-15 August 2013, Stockholm, Sweden. 2013;:1016-1020.
https://hdl.handle.net/21.15107/rcub_dais_783 .
Jakšić, Zoran, Radovanović, Filip, Nastasović, Aleksandra, Matović, Jovan, "Multifunctionalized Self-supported (Nano) Membranes as Integrated Platform for Plasmonic Metamaterials" in Progress in Electromagnetics Research Symposium, PIERS 2013, 12-15 August 2013, Stockholm, Sweden (2013):1016-1020,
https://hdl.handle.net/21.15107/rcub_dais_783 .

Silver nanoparticles within functionalized hydrogels for plasmonic (bio)chemical sensors

Radovanović, Filip; Tomković, Tanja; Nastasović, Aleksandra; Jakšić, Zoran

(Banja Luka : Academy of Sciences and Arts of the Republic of Srpska, 2013)

TY  - CONF
AU  - Radovanović, Filip
AU  - Tomković, Tanja
AU  - Nastasović, Aleksandra
AU  - Jakšić, Zoran
PY  - 2013
UR  - https://dais.sanu.ac.rs/123456789/798
AB  - Plasmonics is the basis for a novel generation of adsorption-based ultrasensitive (bio) chemical sensors. In nanoplasmonic sensors one utilizes nanocomposites typically in the form of thin films, comprising metal nanoparticles or ordered metal-dielectrics (plasmonic crystals). In this work we investigated thin functionalized hydrogel films with embedded silver nanoparticles. These films were prepared by copolymerizing glycidyl methacrylate with mono and multifunctional methacrylates using UV irradiation. The epoxy group in glycidyl methacrylate can then be converted by chemical means into a desired functionality to capture the targeted analyte. Silver nanoparticles were either photochemically generated in situ, or were introduced into hydrogels by chemical reduction. Differences in morphology and performance of these nanocomposites were investigated and
will be discussed.
PB  - Banja Luka : Academy of Sciences and Arts of the Republic of Srpska
C3  - Sixth International Scientific Conference Contemporary Materials 2013, Banja Luka, July 4 to 6, 2013: Programme
C3  - Шести међународни научни скуп Савремени материјали 2013, Бања Лука, 4−6. јулa 2013. године: програм рада
T1  - Silver nanoparticles within functionalized hydrogels for plasmonic (bio)chemical sensors
SP  - 62
EP  - 62
UR  - https://hdl.handle.net/21.15107/rcub_dais_798
ER  - 
@conference{
author = "Radovanović, Filip and Tomković, Tanja and Nastasović, Aleksandra and Jakšić, Zoran",
year = "2013",
abstract = "Plasmonics is the basis for a novel generation of adsorption-based ultrasensitive (bio) chemical sensors. In nanoplasmonic sensors one utilizes nanocomposites typically in the form of thin films, comprising metal nanoparticles or ordered metal-dielectrics (plasmonic crystals). In this work we investigated thin functionalized hydrogel films with embedded silver nanoparticles. These films were prepared by copolymerizing glycidyl methacrylate with mono and multifunctional methacrylates using UV irradiation. The epoxy group in glycidyl methacrylate can then be converted by chemical means into a desired functionality to capture the targeted analyte. Silver nanoparticles were either photochemically generated in situ, or were introduced into hydrogels by chemical reduction. Differences in morphology and performance of these nanocomposites were investigated and
will be discussed.",
publisher = "Banja Luka : Academy of Sciences and Arts of the Republic of Srpska",
journal = "Sixth International Scientific Conference Contemporary Materials 2013, Banja Luka, July 4 to 6, 2013: Programme, Шести међународни научни скуп Савремени материјали 2013, Бања Лука, 4−6. јулa 2013. године: програм рада",
title = "Silver nanoparticles within functionalized hydrogels for plasmonic (bio)chemical sensors",
pages = "62-62",
url = "https://hdl.handle.net/21.15107/rcub_dais_798"
}
Radovanović, F., Tomković, T., Nastasović, A.,& Jakšić, Z.. (2013). Silver nanoparticles within functionalized hydrogels for plasmonic (bio)chemical sensors. in Sixth International Scientific Conference Contemporary Materials 2013, Banja Luka, July 4 to 6, 2013: Programme
Banja Luka : Academy of Sciences and Arts of the Republic of Srpska., 62-62.
https://hdl.handle.net/21.15107/rcub_dais_798
Radovanović F, Tomković T, Nastasović A, Jakšić Z. Silver nanoparticles within functionalized hydrogels for plasmonic (bio)chemical sensors. in Sixth International Scientific Conference Contemporary Materials 2013, Banja Luka, July 4 to 6, 2013: Programme. 2013;:62-62.
https://hdl.handle.net/21.15107/rcub_dais_798 .
Radovanović, Filip, Tomković, Tanja, Nastasović, Aleksandra, Jakšić, Zoran, "Silver nanoparticles within functionalized hydrogels for plasmonic (bio)chemical sensors" in Sixth International Scientific Conference Contemporary Materials 2013, Banja Luka, July 4 to 6, 2013: Programme (2013):62-62,
https://hdl.handle.net/21.15107/rcub_dais_798 .

Functionalized Polymer Membranes for Plasmonic Sensing with Enhanced Selectivity

Jakšić, Zoran; Radovanović, Filip; Nastasović, Aleksandra

(Belgrade, Serbia : Society of Physical Chemists of Serbia, 2012)

TY  - CONF
AU  - Jakšić, Zoran
AU  - Radovanović, Filip
AU  - Nastasović, Aleksandra
PY  - 2012
UR  - https://dais.sanu.ac.rs/123456789/810
AB  - We investigate theoretically and experimentally the concept of enhancing the selectivity of chemical, biochemical and biological (nano)plasmonic sensors utilizing multifunctionalized polymer membranes. Membrane nanocompositing is done by lamination and surface/pore immobilization. A separator/filter and an affinity-based adsorption enhancer are integrated into a single multifunctional membrane structure. Functionalized membrane may be transferred across platforms and even used for different types of sensing devices.
PB  - Belgrade, Serbia : Society of Physical Chemists of Serbia
C3  - Physical Chemistry 2012 : proceedings. Vol. 1 / 11th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 24-28, 2012, Belgrade, Serbia
T1  - Functionalized Polymer Membranes for  Plasmonic Sensing with Enhanced Selectivity
SP  - 495
EP  - 497
UR  - https://hdl.handle.net/21.15107/rcub_dais_810
ER  - 
@conference{
author = "Jakšić, Zoran and Radovanović, Filip and Nastasović, Aleksandra",
year = "2012",
abstract = "We investigate theoretically and experimentally the concept of enhancing the selectivity of chemical, biochemical and biological (nano)plasmonic sensors utilizing multifunctionalized polymer membranes. Membrane nanocompositing is done by lamination and surface/pore immobilization. A separator/filter and an affinity-based adsorption enhancer are integrated into a single multifunctional membrane structure. Functionalized membrane may be transferred across platforms and even used for different types of sensing devices.",
publisher = "Belgrade, Serbia : Society of Physical Chemists of Serbia",
journal = "Physical Chemistry 2012 : proceedings. Vol. 1 / 11th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 24-28, 2012, Belgrade, Serbia",
title = "Functionalized Polymer Membranes for  Plasmonic Sensing with Enhanced Selectivity",
pages = "495-497",
url = "https://hdl.handle.net/21.15107/rcub_dais_810"
}
Jakšić, Z., Radovanović, F.,& Nastasović, A.. (2012). Functionalized Polymer Membranes for  Plasmonic Sensing with Enhanced Selectivity. in Physical Chemistry 2012 : proceedings. Vol. 1 / 11th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 24-28, 2012, Belgrade, Serbia
Belgrade, Serbia : Society of Physical Chemists of Serbia., 495-497.
https://hdl.handle.net/21.15107/rcub_dais_810
Jakšić Z, Radovanović F, Nastasović A. Functionalized Polymer Membranes for  Plasmonic Sensing with Enhanced Selectivity. in Physical Chemistry 2012 : proceedings. Vol. 1 / 11th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 24-28, 2012, Belgrade, Serbia. 2012;:495-497.
https://hdl.handle.net/21.15107/rcub_dais_810 .
Jakšić, Zoran, Radovanović, Filip, Nastasović, Aleksandra, "Functionalized Polymer Membranes for  Plasmonic Sensing with Enhanced Selectivity" in Physical Chemistry 2012 : proceedings. Vol. 1 / 11th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 24-28, 2012, Belgrade, Serbia (2012):495-497,
https://hdl.handle.net/21.15107/rcub_dais_810 .

Transfer of nanomembranes from solution to a solid frame via reflow of low surface tension liquids

Matović, Jovan; Jakšić, Zoran; Radovanović, Filip

(IEEE, 2012)

TY  - CONF
AU  - Matović, Jovan
AU  - Jakšić, Zoran
AU  - Radovanović, Filip
PY  - 2012
UR  - https://dais.sanu.ac.rs/123456789/781
AB  - Nanomembranes represent a novel building block for nanosystems, characterized by a thickness below 100 nm and a giant aspect ratios. A typical procedure for nanomembrane fabrication starts from an ultrathin layer deposited on some kind of a sacrificial substrate. The nanomembrane is released by etching away the substrate, leaving the nanomembrane to freely float in the solvent. This solvent may be water or some other liquid. Many different types of nanomembranes can be made by this procedure, but only a limited number can survive the capillary forces during the extraction from solvent. In this paper we propose a novel, generally applicable method for freeing nanomembranes from the solvent via direct in-situ substitution of the solvent in meniscus with a low surface tension liquid. The proposed method ensures high production yields, is not very dependent on experimental skills, and avoids introduction of contaminants into the nanomembrane structure.
PB  - IEEE
C3  - Proceedings of the 28th International Conference on Microelectronics MIEL 2012
T1  - Transfer of nanomembranes from solution to a solid frame via reflow of low surface tension liquids
SP  - 135
EP  - 138
DO  - 10.1109/MIEL.2012.6222816
UR  - https://hdl.handle.net/21.15107/rcub_dais_781
ER  - 
@conference{
author = "Matović, Jovan and Jakšić, Zoran and Radovanović, Filip",
year = "2012",
abstract = "Nanomembranes represent a novel building block for nanosystems, characterized by a thickness below 100 nm and a giant aspect ratios. A typical procedure for nanomembrane fabrication starts from an ultrathin layer deposited on some kind of a sacrificial substrate. The nanomembrane is released by etching away the substrate, leaving the nanomembrane to freely float in the solvent. This solvent may be water or some other liquid. Many different types of nanomembranes can be made by this procedure, but only a limited number can survive the capillary forces during the extraction from solvent. In this paper we propose a novel, generally applicable method for freeing nanomembranes from the solvent via direct in-situ substitution of the solvent in meniscus with a low surface tension liquid. The proposed method ensures high production yields, is not very dependent on experimental skills, and avoids introduction of contaminants into the nanomembrane structure.",
publisher = "IEEE",
journal = "Proceedings of the 28th International Conference on Microelectronics MIEL 2012",
title = "Transfer of nanomembranes from solution to a solid frame via reflow of low surface tension liquids",
pages = "135-138",
doi = "10.1109/MIEL.2012.6222816",
url = "https://hdl.handle.net/21.15107/rcub_dais_781"
}
Matović, J., Jakšić, Z.,& Radovanović, F.. (2012). Transfer of nanomembranes from solution to a solid frame via reflow of low surface tension liquids. in Proceedings of the 28th International Conference on Microelectronics MIEL 2012
IEEE., 135-138.
https://doi.org/10.1109/MIEL.2012.6222816
https://hdl.handle.net/21.15107/rcub_dais_781
Matović J, Jakšić Z, Radovanović F. Transfer of nanomembranes from solution to a solid frame via reflow of low surface tension liquids. in Proceedings of the 28th International Conference on Microelectronics MIEL 2012. 2012;:135-138.
doi:10.1109/MIEL.2012.6222816
https://hdl.handle.net/21.15107/rcub_dais_781 .
Matović, Jovan, Jakšić, Zoran, Radovanović, Filip, "Transfer of nanomembranes from solution to a solid frame via reflow of low surface tension liquids" in Proceedings of the 28th International Conference on Microelectronics MIEL 2012 (2012):135-138,
https://doi.org/10.1109/MIEL.2012.6222816 .,
https://hdl.handle.net/21.15107/rcub_dais_781 .

Membrane-based plasmonic nanocomposites for chemical or biological sensing

Jakšić, Zoran; Radovanović, Filip; Nastasović, Aleksandra

(Beograd : Agencija Format, 2012)

TY  - CONF
AU  - Jakšić, Zoran
AU  - Radovanović, Filip
AU  - Nastasović, Aleksandra
PY  - 2012
UR  - https://dais.sanu.ac.rs/123456789/794
AB  - One of the important applications of subwavelength plasmonic optics is sensing of chemical and biological analytes [1]. Plasmonic sensors are based on tuning of either propagating surface waves (surface plasmon polaritons, SPP) or nonpropagating (localized) ones. The adsorption of analyte modifies the surface refractive index, ensuring ultrahigh sensitivities that may exceed 10–8 refractive index units, i.e. 1 ng/cm2 (0.003 monolayer) [2]. For all plasmonic sensors it is of interest to enhance their selectivity, since their operation is based solely on refractive index sensing, i.e. different materials with similar refractive indexes cause similar outputs. In this work we propose the integration of active plasmonic part with separator (e.g. membrane or nanomembrane with nanopores) and ligand binding the targeted analyte into a single structure. This may be done by membrane nanocompositing [3], e.g. by lamination (Fig. 1a) or volume structuring/pore formation (Fig. 1b). At the same one may use built-in (nano)pores to augment the effective surface for adsorption and thus vastly increase the amount of adsorbate. For our work we chose macroporous crosslinked copolymers (MCP) which are readily formed into membranes and keep a permanent well-developed porous structure. Particularly we used glycidyl methacrylate (GMA)-based MCP. GMA has already been successfully used for heavy and precious metals adsorption and enzyme immobilization [4]. For the formation of membranes comprising GMA we selected a new method combining traditional immersion precipitation with photopolymerization and crosslinking of functional monomers [5]. Our approach may be extended to other types of chemical and bio sensors. 
Acknowledgment:
This work has been funded by Serbian Ministry of Education and Science through the projects TR32008 and III 43009.

[1] W. L. Barnes, A. Dereux, T. W. Ebbesen, Nature, 424 (2003) 824-830.
[2] L. S. Jung, C. T. Campbell, T. M. Chinowsky, M. N. Mar, S. S. Yee, Langmuir, 14 (1998) 5636-5648.
[3] Z. Jakšić, J. Matovic, Materials, 1 (2010) 165-200.
[4] N. Miletić, Z. Vuković, A. Nastasović, K. Loos, Macromol. Biosci., 11 (2011) 1537–1543.
[5] P. Radovanovic, M. Kellner, J. Matovic, R. Liska, T. Koch, J. Membrane Sci., 401-402 (2012) 254-261.
PB  - Beograd : Agencija Format
C3  - The 3rd International Conference on the Physics of Optical Materilas and Devices - ICOM 2012, Belgrade, Serbia September 3rd - September 6th, 2012: Book of abstracts
T1  - Membrane-based plasmonic nanocomposites for chemical or biological sensing
UR  - https://hdl.handle.net/21.15107/rcub_dais_794
ER  - 
@conference{
author = "Jakšić, Zoran and Radovanović, Filip and Nastasović, Aleksandra",
year = "2012",
abstract = "One of the important applications of subwavelength plasmonic optics is sensing of chemical and biological analytes [1]. Plasmonic sensors are based on tuning of either propagating surface waves (surface plasmon polaritons, SPP) or nonpropagating (localized) ones. The adsorption of analyte modifies the surface refractive index, ensuring ultrahigh sensitivities that may exceed 10–8 refractive index units, i.e. 1 ng/cm2 (0.003 monolayer) [2]. For all plasmonic sensors it is of interest to enhance their selectivity, since their operation is based solely on refractive index sensing, i.e. different materials with similar refractive indexes cause similar outputs. In this work we propose the integration of active plasmonic part with separator (e.g. membrane or nanomembrane with nanopores) and ligand binding the targeted analyte into a single structure. This may be done by membrane nanocompositing [3], e.g. by lamination (Fig. 1a) or volume structuring/pore formation (Fig. 1b). At the same one may use built-in (nano)pores to augment the effective surface for adsorption and thus vastly increase the amount of adsorbate. For our work we chose macroporous crosslinked copolymers (MCP) which are readily formed into membranes and keep a permanent well-developed porous structure. Particularly we used glycidyl methacrylate (GMA)-based MCP. GMA has already been successfully used for heavy and precious metals adsorption and enzyme immobilization [4]. For the formation of membranes comprising GMA we selected a new method combining traditional immersion precipitation with photopolymerization and crosslinking of functional monomers [5]. Our approach may be extended to other types of chemical and bio sensors. 
Acknowledgment:
This work has been funded by Serbian Ministry of Education and Science through the projects TR32008 and III 43009.

[1] W. L. Barnes, A. Dereux, T. W. Ebbesen, Nature, 424 (2003) 824-830.
[2] L. S. Jung, C. T. Campbell, T. M. Chinowsky, M. N. Mar, S. S. Yee, Langmuir, 14 (1998) 5636-5648.
[3] Z. Jakšić, J. Matovic, Materials, 1 (2010) 165-200.
[4] N. Miletić, Z. Vuković, A. Nastasović, K. Loos, Macromol. Biosci., 11 (2011) 1537–1543.
[5] P. Radovanovic, M. Kellner, J. Matovic, R. Liska, T. Koch, J. Membrane Sci., 401-402 (2012) 254-261.",
publisher = "Beograd : Agencija Format",
journal = "The 3rd International Conference on the Physics of Optical Materilas and Devices - ICOM 2012, Belgrade, Serbia September 3rd - September 6th, 2012: Book of abstracts",
title = "Membrane-based plasmonic nanocomposites for chemical or biological sensing",
url = "https://hdl.handle.net/21.15107/rcub_dais_794"
}
Jakšić, Z., Radovanović, F.,& Nastasović, A.. (2012). Membrane-based plasmonic nanocomposites for chemical or biological sensing. in The 3rd International Conference on the Physics of Optical Materilas and Devices - ICOM 2012, Belgrade, Serbia September 3rd - September 6th, 2012: Book of abstracts
Beograd : Agencija Format..
https://hdl.handle.net/21.15107/rcub_dais_794
Jakšić Z, Radovanović F, Nastasović A. Membrane-based plasmonic nanocomposites for chemical or biological sensing. in The 3rd International Conference on the Physics of Optical Materilas and Devices - ICOM 2012, Belgrade, Serbia September 3rd - September 6th, 2012: Book of abstracts. 2012;.
https://hdl.handle.net/21.15107/rcub_dais_794 .
Jakšić, Zoran, Radovanović, Filip, Nastasović, Aleksandra, "Membrane-based plasmonic nanocomposites for chemical or biological sensing" in The 3rd International Conference on the Physics of Optical Materilas and Devices - ICOM 2012, Belgrade, Serbia September 3rd - September 6th, 2012: Book of abstracts (2012),
https://hdl.handle.net/21.15107/rcub_dais_794 .