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Proceedings Paper

Optical properties and kinetic parameters in Cu2FeSnS4 thin films prepared by spray pyrolysis
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Paper Abstract

The results of investigation of optical and electrical properties of p-Cu2FeSnS4 thin polycrystalline films obtained by spray pyrolysis of aqueous solutions of salts of CuCl2∙2H2O, FeCl3∙6H2O and SnCl4∙5H2O and (NH2)2CS are presented. On the basis of the analysis of the light absorption spectra, the optical band gap of the films Eg ≈ 1.72 eV was determined and the dynamics of its change during thermal treatment under low vacuum conditions (0.1 Pa). The conductivity activation energies (Ea = 0.75 eV) and the height of the energy barriers between the grain boundaries (Eb = 0.07 eV) are determined from the temperature dependences of the electrical conductivity.

Paper Details

Date Published: 6 February 2020
PDF: 9 pages
Proc. SPIE 11369, Fourteenth International Conference on Correlation Optics, 1136916 (6 February 2020); doi: 10.1117/12.2553223
Show Author Affiliations
Іvan G. Оrletskyi, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
Eduard V. Maistruk, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
Myhailo M. Solovan, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
Ivan P. Koziarskyi, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
Dmytro P. Koziarskyi, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
Pavlo D. Мaryanchuk, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)


Published in SPIE Proceedings Vol. 11369:
Fourteenth International Conference on Correlation Optics
Oleg V. Angelsky, Editor(s)

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