Physica E: Low-Dimensional Systems and Nanostructures, volume 68, pages 159-163
Energy structure and absorption spectra of colloidal CdS nanocrystals in gelatin matrix
Publication type: Journal Article
Publication date: 2015-04-01
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
We investigate the energy structure of colloidal CdS nanocrystals by measuring the UV–vis absorption spectra . Nanocrystals were synthesized by sol–gel method in a gelatin matrix in the size range from 2.5 to 3.9 (±0.2) nm. In order to interpret the UV–vis absorption spectra we calculate the energy spectrum of electron quasi-stationary states using the model of open nanocrystal as well as the hole stationary spectrum in a two-band approach. It is shown that the main contribution to the absorption spectrum is made by interband transitions 1 S 3/2 →1 S e and 1 P 3/2 →1 P e , and its shape is determined by the size distribution of nanoparticles . For this system the estimated values of the effective masses of the heavy hole and light hole are 1.44 m 0 and 0.28 m 0 , respectively.
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- We do not take into account publications without a DOI.
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Korolev N. V. et al. Energy structure and absorption spectra of colloidal CdS nanocrystals in gelatin matrix // Physica E: Low-Dimensional Systems and Nanostructures. 2015. Vol. 68. pp. 159-163.
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Korolev N. V., Smirnov M. S., Ovchinnikov O., Shatskikh T. S. Energy structure and absorption spectra of colloidal CdS nanocrystals in gelatin matrix // Physica E: Low-Dimensional Systems and Nanostructures. 2015. Vol. 68. pp. 159-163.
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TY - JOUR
DO - 10.1016/j.physe.2014.10.042
UR - https://doi.org/10.1016/j.physe.2014.10.042
TI - Energy structure and absorption spectra of colloidal CdS nanocrystals in gelatin matrix
T2 - Physica E: Low-Dimensional Systems and Nanostructures
AU - Korolev, N V
AU - Smirnov, M. S.
AU - Ovchinnikov, O.V.
AU - Shatskikh, T S
PY - 2015
DA - 2015/04/01 00:00:00
PB - Elsevier
SP - 159-163
VL - 68
SN - 1386-9477
ER -
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@article{2015_Korolev,
author = {N V Korolev and M. S. Smirnov and O.V. Ovchinnikov and T S Shatskikh},
title = {Energy structure and absorption spectra of colloidal CdS nanocrystals in gelatin matrix},
journal = {Physica E: Low-Dimensional Systems and Nanostructures},
year = {2015},
volume = {68},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016/j.physe.2014.10.042},
pages = {159--163},
doi = {10.1016/j.physe.2014.10.042}
}