Physica E: Low-Dimensional Systems and Nanostructures, volume 84, pages 511-518
Dynamics of electronic excitations relaxation in hydrophilic colloidal CdS quantum dots in gelatin with involvement of localized states
M. S. Smirnov
1
,
O. Buganov
2
,
Elena Shabunya Klyachkovskaya
2
,
S. A. Tikhomirov
2
,
O.V. Ovchinnikov
1
,
A. S. Matsukovich
2
,
A V Katsaba
3
Publication type: Journal Article
Publication date: 2016-10-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 3.3
ISSN: 13869477
Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
Dynamics of the 1Se–1S3/2 exciton in colloidal CdS quantum dots with diameter of 3.1÷4.5nm in gelatin with involvement of localized states was studied by means of femtosecond photoinduced absorption spectroscopy (pump–probe), thermally stimulated luminescence (TSL) observed under permanently excited luminescence. It was found that the bleaching band occurs in the energy region of exciton ground state under excitation by femtosecond laser pulses. The complex dynamics of bleaching recovery is caused by the capture of electron on localized states, found using TSL. The stochastic model describing the dynamics of bleaching recovery is discussed. It is shown that the low efficiency of exciton luminescence is caused by the rapid capture of holes by luminescence centers.
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- We do not take into account publications without a DOI.
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Smirnov M. S. et al. Dynamics of electronic excitations relaxation in hydrophilic colloidal CdS quantum dots in gelatin with involvement of localized states // Physica E: Low-Dimensional Systems and Nanostructures. 2016. Vol. 84. pp. 511-518.
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Smirnov M. S., Buganov O., Shabunya Klyachkovskaya E., Tikhomirov S. A., Ovchinnikov O., Vitukhnovsky A. G., Perepelitsa A. S., Matsukovich A. S., Katsaba A. V. Dynamics of electronic excitations relaxation in hydrophilic colloidal CdS quantum dots in gelatin with involvement of localized states // Physica E: Low-Dimensional Systems and Nanostructures. 2016. Vol. 84. pp. 511-518.
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TY - JOUR
DO - 10.1016/j.physe.2016.07.004
UR - https://doi.org/10.1016/j.physe.2016.07.004
TI - Dynamics of electronic excitations relaxation in hydrophilic colloidal CdS quantum dots in gelatin with involvement of localized states
T2 - Physica E: Low-Dimensional Systems and Nanostructures
AU - Smirnov, M. S.
AU - Buganov, O.
AU - Shabunya Klyachkovskaya, Elena
AU - Tikhomirov, S. A.
AU - Ovchinnikov, O.V.
AU - Vitukhnovsky, Alexei G.
AU - Perepelitsa, Aleksey S.
AU - Matsukovich, A. S.
AU - Katsaba, A V
PY - 2016
DA - 2016/10/01 00:00:00
PB - Elsevier
SP - 511-518
VL - 84
SN - 1386-9477
ER -
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@article{2016_Smirnov,
author = {M. S. Smirnov and O. Buganov and Elena Shabunya Klyachkovskaya and S. A. Tikhomirov and O.V. Ovchinnikov and Alexei G. Vitukhnovsky and Aleksey S. Perepelitsa and A. S. Matsukovich and A V Katsaba},
title = {Dynamics of electronic excitations relaxation in hydrophilic colloidal CdS quantum dots in gelatin with involvement of localized states},
journal = {Physica E: Low-Dimensional Systems and Nanostructures},
year = {2016},
volume = {84},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016/j.physe.2016.07.004},
pages = {511--518},
doi = {10.1016/j.physe.2016.07.004}
}
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