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Optics and Spectroscopy, 2020, Volume 128, Issue 12, Pages 1849–1853
DOI: https://doi.org/10.21883/OS.2020.12.50320.203-20 (Mi os224) 		 
Spectroscopy of condensed matter

Specific features of photoluminescence and nanosecond relaxation of photocurrent in CuIn5S8 crystals upon strong optical excitation

A. H. Huseynova, V. M. Salmanova, R. M. Mamedova, A. Z. Magomedova, A. I. Bairamovab

a Baku State University
b Azerbaidzhan University of Construction and Architecture
Full-text PDF (1055 kB)
DOI: https://doi.org/10.21883/OS.2020.12.50320.203-20
Abstract: Intense luminescence and nanosecond relaxation of photocurrent upon strong optical excitation have been observed in CuIn5S8 crystals grown by slow melt cooling at a constant temperature gradient. Three emission bands with energies of 1.52, 1.48, and 1.465 eV are distinguished in the photoluminescence spectra. The crystal photoactivation in the range of 300–600 K is explained by an increase in the hole mobility in the valence band with an increase in temperature.
Keywords: CuInS, photocurrent, photoluminescence, photoconductivity.
Funding agency Grant number
Science Development Foundation under the President of the Republic of Azerbaijan EIF/MQM/Elm-Tehsil-1-2016-1(26)-71/01/1
This study was supported by the Foundation for Science Development under the President of the Azerbaijan Republic (grant no. EİF/MQM/Elm-Tehsil-1-2016-1(26)-71/01/1).
Received: 24.07.2020
Revised: 16.08.2020
Accepted: 25.08.2020
English version:
Optics and Spectroscopy, 2020, Volume 128, Issue 12, Pages 1978–1982
DOI: https://doi.org/10.1134/S0030400X20120905
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. H. Huseynov, V. M. Salmanov, R. M. Mamedov, A. Z. Magomedov, A. I. Bairamova, “Specific features of photoluminescence and nanosecond relaxation of photocurrent in CuIn5S8 crystals upon strong optical excitation”, Optics and Spectroscopy, 128:12 (2020), 1849–1853; Optics and Spectroscopy, 128:12 (2020), 1978–1982
Citation in format AMSBIB
\Bibitem{HusSalMam20}
\by A.~H.~Huseynov, V.~M.~Salmanov, R.~M.~Mamedov, A.~Z.~Magomedov, A.~I.~Bairamova
\paper Specific features of photoluminescence and nanosecond relaxation of photocurrent in CuIn$_{5}$S$_{8}$ crystals upon strong optical excitation
\jour Optics and Spectroscopy
\yr 2020
\vol 128
\issue 12
\pages 1849--1853
\mathnet{http://mi.mathnet.ru/os224}
\crossref{https://doi.org/10.21883/OS.2020.12.50320.203-20}
\elib{https://elibrary.ru/item.asp?id=44866911}
\transl
\jour Optics and Spectroscopy
\yr 2020
\vol 128
\issue 12
\pages 1978--1982
\crossref{https://doi.org/10.1134/S0030400X20120905}
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