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Influence of structural disorder on the optical properties of non-stoichiometric Cu6Ps5I-based thin films
Author(s): Ihor Studenyak; Vitalii Izai; Viktor Studenyak; Andrij Bendak; Mladen Kranjčec; Peter Kúš; Marian Mikula; Branislav Grančič; Tomaš Roch; Batyrbek Suleimenov; Tomasz Ławicki; Egor Gurov
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Paper Abstract

Cu6PS5I-based thin films were deposited onto silicate glass substrates by magnetron sputtering. Chemical composition of the thin films was determined by energy-dispersive X-ray spectroscopy. With increasing Cu content, a red shift of the exponential absorption edge energy position as well as a decrease of the Urbach energy are observed. Optical transmission spectra of Cu8.05P0.68S3.54I0.73 thin film were investigated in the temperature interval 77–300 K; the temperature behaviour of the optical absorption spectra and the refractive index dispersion was studied. Temperature dependences of the energy position of the absorption edge, the Urbach energy, and the refractive index of the Cu8.05P0.68S3.54I0.73 thin film were analysed. The influence of structural disorder on the optical properties of the Cu6PS5Ibased thin films is discussed.

Paper Details

Date Published: 7 August 2017
PDF: 7 pages
Proc. SPIE 10445, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2017, 104454Z (7 August 2017); doi: 10.1117/12.2280742
Show Author Affiliations
Ihor Studenyak, Uzhhorod National Univ. (Ukraine)
Vitalii Izai, Uzhhorod National Univ. (Ukraine)
Viktor Studenyak, Uzhhorod National Univ. (Ukraine)
Andrij Bendak, Uzhhorod National Univ. (Ukraine)
Mladen Kranjčec, Univ. North (Croatia)
Peter Kúš, Comenius Univ. in Bratislava (Slovakia)
Marian Mikula, Comenius Univ. in Bratislava (Slovakia)
Branislav Grančič, Comenius Univ. in Bratislava (Slovakia)
Tomaš Roch, Comenius Univ. in Bratislava (Slovakia)
Batyrbek Suleimenov, Kazakh National Research Technical Univ. after K. I. Satpaev (Kazakhstan)
Tomasz Ławicki, Lublin Univ. of Technology (Poland)
Egor Gurov, National Research Univ. Higher School of Economics (Russian Federation)


Published in SPIE Proceedings Vol. 10445:
Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2017
Ryszard S. Romaniuk; Maciej Linczuk, Editor(s)

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