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TY - JOUR
AU - Abozaid, Rouaida Mohamed
AU - Lazarević, Zorica Ž.
AU - Radović, Ivana
AU - Gilić, Martina
AU - Šević, Dragutin M.
AU - Rabasović, Maja S.
AU - Radojević, Vesna
PY - 2019
UR - https://linkinghub.elsevier.com/retrieve/pii/S0925346719303131
UR - http://vinar.vin.bg.ac.rs/handle/123456789/8195
AB - Processing and characterization of polymer nanocomposites based on poly (methyl methacrylate) (PMMA) matrix with embedded core-shell CdSe/ZnS quantum dots (QD's) were presented in this work. The aim is to preserve the optical activity of QD's in nanocomposite processing with improved mechanical properties. The modification of QD's CdSe/ZnS-PMMA interface was achieved with 3-mercaptopropyltrimethoxysilane (MPTMS). Nanocomposites were processed by solution casting. The samples of pure PMMA, and composites with unmodified and silane modified QD's CdSe/ZnS were processed. FTIR analysis revealed modification of QD's with silane and characteristic bonding with PMMA matrix. Raman spectrum confirms a presence of alloyed layer at the core-shell interface. Time-resolved laser induced fluorescence measurements confirmed slight blue shift in QD's CdSe/ZnS-PMMA composite without interface modification, while there was a slight red shift with modified particles. Oxidation effects in quantum dots were removed with the use of PMMA as a host, and the core remained active, which was confirmed with FTIR analysis and time-resolved laser induced fluorescence measurements. © 2019
T2 - Optical Materials
T1 - Optical properties and fluorescence of quantum dots CdSe/ZnS-PMMA composite films with interface modifications
VL - 92
SP - 405
EP - 410
DO - 10.1016/j.optmat.2019.05.012
ER -
@article{
author = "Abozaid, Rouaida Mohamed and Lazarević, Zorica Ž. and Radović, Ivana and Gilić, Martina and Šević, Dragutin M. and Rabasović, Maja S. and Radojević, Vesna",
year = "2019",
url = "https://linkinghub.elsevier.com/retrieve/pii/S0925346719303131, http://vinar.vin.bg.ac.rs/handle/123456789/8195",
abstract = "Processing and characterization of polymer nanocomposites based on poly (methyl methacrylate) (PMMA) matrix with embedded core-shell CdSe/ZnS quantum dots (QD's) were presented in this work. The aim is to preserve the optical activity of QD's in nanocomposite processing with improved mechanical properties. The modification of QD's CdSe/ZnS-PMMA interface was achieved with 3-mercaptopropyltrimethoxysilane (MPTMS). Nanocomposites were processed by solution casting. The samples of pure PMMA, and composites with unmodified and silane modified QD's CdSe/ZnS were processed. FTIR analysis revealed modification of QD's with silane and characteristic bonding with PMMA matrix. Raman spectrum confirms a presence of alloyed layer at the core-shell interface. Time-resolved laser induced fluorescence measurements confirmed slight blue shift in QD's CdSe/ZnS-PMMA composite without interface modification, while there was a slight red shift with modified particles. Oxidation effects in quantum dots were removed with the use of PMMA as a host, and the core remained active, which was confirmed with FTIR analysis and time-resolved laser induced fluorescence measurements. © 2019",
journal = "Optical Materials",
title = "Optical properties and fluorescence of quantum dots CdSe/ZnS-PMMA composite films with interface modifications",
volume = "92",
pages = "405-410",
doi = "10.1016/j.optmat.2019.05.012"
}
Abozaid, R. M., Lazarević, Z. Ž., Radović, I., Gilić, M., Šević, D. M., Rabasović, M. S.,& Radojević, V. (2019). Optical properties and fluorescence of quantum dots CdSe/ZnS-PMMA composite films with interface modifications.
Optical Materials, 92, 405-410.
https://doi.org/10.1016/j.optmat.2019.05.012
Abozaid RM, Lazarević ZŽ, Radović I, Gilić M, Šević DM, Rabasović MS, Radojević V. Optical properties and fluorescence of quantum dots CdSe/ZnS-PMMA composite films with interface modifications. Optical Materials. 2019;92:405-410
Abozaid Rouaida Mohamed, Lazarević Zorica Ž., Radović Ivana, Gilić Martina, Šević Dragutin M., Rabasović Maja S., Radojević Vesna, "Optical properties and fluorescence of quantum dots CdSe/ZnS-PMMA composite films with interface modifications" Optical Materials, 92 (2019):405-410,
https://doi.org/10.1016/j.optmat.2019.05.012 .
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