Technical Physics Letters, volume 43, issue 3, pages 297-300
Temperature dependence of the optical absorption spectra of InP/ZnS quantum dots
Publication type: Journal Article
Publication date: 2017-03-01
Journal:
Technical Physics Letters
Quartile SCImago
Q3
Quartile WOS
Q4
Impact factor: 0.6
ISSN: 10637850, 10906533, 17267471
Physics and Astronomy (miscellaneous)
Abstract
The optical-absorption spectra of InP/ZnS (core/shell) quantum dots have been studied in a broad temperature range of T = 6.5–296 K. Using the second-order derivative spectrophotometry technique, the energies of optical transitions at room temperature were found to be E 1 = 2.60 ± 0.02 eV (for the first peak of excitonic absorption in the InP core) and E 2 = 4.70 ± 0.02 eV (for processes in the ZnS shell). The experimental curve of E 1(T) has been approximated for the first time in the framework of a linear model and in terms of the Fan’s formula. It is established that the temperature dependence of E 1 is determined by the interaction of excitons and longitudinal acoustic phonons with hω = 15 meV.
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Savchenko S. S., Vokhmintsev A. S., Weinstein I. A. Temperature dependence of the optical absorption spectra of InP/ZnS quantum dots // Technical Physics Letters. 2017. Vol. 43. No. 3. pp. 297-300.
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Savchenko S. S., Vokhmintsev A. S., Weinstein I. A. Temperature dependence of the optical absorption spectra of InP/ZnS quantum dots // Technical Physics Letters. 2017. Vol. 43. No. 3. pp. 297-300.
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TY - JOUR
DO - 10.1134/s1063785017030221
UR - https://doi.org/10.1134/s1063785017030221
TI - Temperature dependence of the optical absorption spectra of InP/ZnS quantum dots
T2 - Technical Physics Letters
AU - Savchenko, S. S.
AU - Vokhmintsev, A S
AU - Weinstein, I. A.
PY - 2017
DA - 2017/03/01 00:00:00
PB - Pleiades Publishing
SP - 297-300
IS - 3
VL - 43
SN - 1063-7850
SN - 1090-6533
SN - 1726-7471
ER -
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@article{2017_Savchenko,
author = {S. S. Savchenko and A S Vokhmintsev and I. A. Weinstein},
title = {Temperature dependence of the optical absorption spectra of InP/ZnS quantum dots},
journal = {Technical Physics Letters},
year = {2017},
volume = {43},
publisher = {Pleiades Publishing},
month = {mar},
url = {https://doi.org/10.1134/s1063785017030221},
number = {3},
pages = {297--300},
doi = {10.1134/s1063785017030221}
}
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Savchenko, S. S., et al. “Temperature dependence of the optical absorption spectra of InP/ZnS quantum dots.” Technical Physics Letters, vol. 43, no. 3, Mar. 2017, pp. 297-300. https://doi.org/10.1134/s1063785017030221.