EPJ Web Conf.
Volume 133, 2017International Conference on Semiconductor Nanostructures for Optoelectronics and Biosensors (IC SeNOB 2016)
|Number of page(s)||3|
|Section||Characterisation of nanostructures|
|Published online||15 December 2016|
Structural disordering studies of Cu6PS5I-based thin films deposited by magnetron sputtering
1 Faculty of Physics, Uzhhorod National University, 3 Narodna Sq., 88000 Uzhhorod, Ukraine
2 Faculty of Mathematics, Physics and Informatics, Comenius University, Mlynska dolina, 84248 Bratislava, Slovakia
* Corresponding author: email@example.com
Published online: 15 December 2016
Cu6PS5I-based thin films were deposited onto silicate glass substrates by magnetron sputtering. With Cu content increase, a red shift of the optical transmission spectra as well as increase of the total electric conductivity are observed. A typical Urbach bundle are revealed, the temperature behaviour of the Urbach absorption edge in thin films are explained by strong electron-phonon interaction. Temperature dependences of the absorption edge energy position and the Urbach energy for thin film are well described in Einstein model. The influence of different type of disordering on the Urbach tail is studied.
© The Authors, published by EDP Sciences, 2017
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