Semiconductors, volume 52, issue 9, pages 1137-1144
Size-Dependent Optical Properties of Colloidal CdS Quantum Dots Passivated by Thioglycolic Acid
T. S. Kondratenko
1
,
M. S. Smirnov
1
,
O. V. Ovchinnikov
1
,
E. V. Shabunya-Klyachkovskaya
2
,
A. S. Matsukovich
2
,
A. I. Zvyagin
1
,
Y.A. Vinokur
1
2
Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, Republic of Belarus
|
Publication type: Journal Article
Publication date: 2018-08-22
Journal:
Semiconductors
Q4
Q4
SJR: 0.173
CiteScore: 1.5
Impact factor: 0.6
ISSN: 10637826, 10906479, 17267315, 09412751
Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
The results of studies of the optical properties of ensembles of colloidal CdS quantum dots passivated by thioglycolic acid are reported. The average dimensions of the quantum dots lie in the range from 1.7 to 5.8 nm. By X-ray diffraction studies and Raman spectroscopy, it is established that quantum dots crystallize with the formation of a cubic crystal lattice. The systematic features of the quantum-confinement effect in the optical absorption and luminescence spectra, as well as in the luminescence excitation spectra, are established. The features manifest themselves as a blue shift of the corresponding bands with decreasing quantum-dot dimensions. From analysis of the nanosecond luminescence kinetics, it is concluded that experimentally observed radiative recombination proceeds by the donor–acceptor mechanism.
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Kondratenko T. S. et al. Size-Dependent Optical Properties of Colloidal CdS Quantum Dots Passivated by Thioglycolic Acid // Semiconductors. 2018. Vol. 52. No. 9. pp. 1137-1144.
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Kondratenko T. S., Smirnov M. S., Ovchinnikov O. V., Shabunya-Klyachkovskaya E. V., Matsukovich A. S., Zvyagin A. I., Vinokur Y. Size-Dependent Optical Properties of Colloidal CdS Quantum Dots Passivated by Thioglycolic Acid // Semiconductors. 2018. Vol. 52. No. 9. pp. 1137-1144.
Cite this
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TY - JOUR
DO - 10.1134/s1063782618090087
UR - https://doi.org/10.1134/s1063782618090087
TI - Size-Dependent Optical Properties of Colloidal CdS Quantum Dots Passivated by Thioglycolic Acid
T2 - Semiconductors
AU - Kondratenko, T. S.
AU - Smirnov, M. S.
AU - Ovchinnikov, O. V.
AU - Shabunya-Klyachkovskaya, E. V.
AU - Matsukovich, A. S.
AU - Zvyagin, A. I.
AU - Vinokur, Y.A.
PY - 2018
DA - 2018/08/22
PB - Pleiades Publishing
SP - 1137-1144
IS - 9
VL - 52
SN - 1063-7826
SN - 1090-6479
SN - 1726-7315
SN - 0941-2751
ER -
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@article{2018_Kondratenko,
author = {T. S. Kondratenko and M. S. Smirnov and O. V. Ovchinnikov and E. V. Shabunya-Klyachkovskaya and A. S. Matsukovich and A. I. Zvyagin and Y.A. Vinokur},
title = {Size-Dependent Optical Properties of Colloidal CdS Quantum Dots Passivated by Thioglycolic Acid},
journal = {Semiconductors},
year = {2018},
volume = {52},
publisher = {Pleiades Publishing},
month = {aug},
url = {https://doi.org/10.1134/s1063782618090087},
number = {9},
pages = {1137--1144},
doi = {10.1134/s1063782618090087}
}
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Kondratenko, T. S., et al. “Size-Dependent Optical Properties of Colloidal CdS Quantum Dots Passivated by Thioglycolic Acid.” Semiconductors, vol. 52, no. 9, Aug. 2018, pp. 1137-1144. https://doi.org/10.1134/s1063782618090087.