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Fabrication and characterization of CuInSe2 thin films on Mo-coated perlite and polycor ceramic substrates

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Submitted: 2026-07-21
CC BY-NC 4.0 This work is licensed under Creative Commons Attribution–NonCommercial International License (CC BY-NC 4.0).

Abstract

CuInSe2 (CIS) thin films have been grown on molybdenum (Mo) coated perlite glass-ceramic and polycor substrates by DC magnetron sputtering. The morphology and average grain size of the films were determined by atomic force microscopy. Finally, X-ray photoelectron spectroscopy was used to examine the formation of molybdenum diselenide (MoSe2) layer at Mo/CIS interface for Mo ohmic contact. Obtained data shows that the Na out-diffusion has a noticeable impact on the average grain size. Presence of the diselenide (Se2) layer suggests that Mo can be used as an ohmic back contact for the development of solar cells based on CIS with a ceramic substrate.

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