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Fizika Tverdogo Tela, 2019, Volume 61, Issue 5, Page 1002
DOI: https://doi.org/10.21883/FTT.2019.05.47609.39F (Mi ftt8841) 		 
This article is cited in 2 scientific papers (total in 2 papers)

XVII International Theophilov Symposium, Yekaterinburg, September 23-28, 2018
Optical properties

Excitons in PL spectra of Cu(In, Ga)Se$_{2}$ single crystal

E. Skidchenkoabc, M. V. Yakushevdef, L. Spasevskib, P. R. Edwardsb, M. A. Sulimovde, R. W. Martinb

a Skolkovo Institute of Science and Technology, Skolkovo Innovation Centre, Moscow, Russia
b Department of Physics, SUPA, University of Strathclyde, G4 0NG Glasgow, UK
c Department of Plasma Technology and Nanotechnology of High Molecular Weight Materials, Kazan National Research Technological University, Kazan, Russia
d M.N. Mikheev Institute of Metal Physics of the UB RAS, Ekaterinburg, Russia
e Ural Federal University, Ekaterinburg, Russia
f Institute of Solid State Chemistry of the UB RAS, Ekaterinburg, Russia
Full-text PDF (34 kB) Citations (2)
DOI: https://doi.org/10.21883/FTT.2019.05.47609.39F
Abstract: A photoluminescence (PL) study of Cu(In, Ga)Se$_{2}$ (CIGSe) single crystals, (grown by the vertical Bridgman technique) with the [Ga]/[Ga + In] ratio of 7% and 12% and the [Cu]/[In + Ga] ratio greater than unity, as measured by energy dispersive spectroscopy, is presented. Analysis of the excitation intensity and temperature dependence of the PL spectra suggested the excitonic nature of the observed near-band-edge emissions peaks. Free and bound excitons in CIGSe single crystals with both 7% and 12% Ga content are clearly observed, analysed and identified. An activation energy of 19 meV is determined for the free exciton in the PL spectra of the sample with 12% Ga. The presence of the excitons demonstrated a high structural quality of the material.
Funding agency Grant number
Russian Science Foundation 17-12-01500
This research was supported by the Russian Science Foundation (grant 17-12-01500).
English version:
Physics of the Solid State, 2019, Volume 61, Issue 5, Pages 918–924
DOI: https://doi.org/10.1134/S1063783419050330
Bibliographic databases:
Document Type: Article
Language: English
Citation: E. Skidchenko, M. V. Yakushev, L. Spasevski, P. R. Edwards, M. A. Sulimov, R. W. Martin, “Excitons in PL spectra of Cu(In, Ga)Se$_{2}$ single crystal”, Fizika Tverdogo Tela, 61:5 (2019), 1002; Phys. Solid State, 61:5 (2019), 918–924
Citation in format AMSBIB
\Bibitem{SkiYakSpa19}
\by E.~Skidchenko, M.~V.~Yakushev, L.~Spasevski, P.~R.~Edwards, M.~A.~Sulimov, R.~W.~Martin
\paper Excitons in PL spectra of Cu(In, Ga)Se$_{2}$ single crystal
\jour Fizika Tverdogo Tela
\yr 2019
\vol 61
\issue 5
\pages 1002
\mathnet{http://mi.mathnet.ru/ftt8841}
\crossref{https://doi.org/10.21883/FTT.2019.05.47609.39F}
\elib{https://elibrary.ru/item.asp?id=39133759}
\transl
\jour Phys. Solid State
\yr 2019
\vol 61
\issue 5
\pages 918--924
\crossref{https://doi.org/10.1134/S1063783419050330}
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    • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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