Structural and Optical Properties of Cu2ZnSnS4 Films Prepared by Sol-Gel method
DOI:
https://doi.org/10.31257/2018/JKP/2019/110107Keywords:
Cu2ZnSnS4(CZTS) , thin film , Sol-Gel , kesteriteAbstract
Chest x-ray medical images are widely used for diagnostic purposes for Cu2ZnSnS4 thin films are prepared by sol gel and spin coating methods. In this study, some physical properties such as structural and optical properties of Cu2ZnSnS4 thin films are investigated. Prepared thin films are annealed at 400°C for 1 h under N2 atmosphere. XRD pattern for the peaks 28.31°, 47.26°, and 56.12° which have indexed plans (112), (220) and (312) confirmed that all Cu2ZnSnS4 thin films prepared have kesterite structure. The results of XRD patterns and UV– Visible spectra demonstrated kesterite phase and a great optical absorption coefficient more than 105 cm-1 in visible region. The estimation of the band gap which equal Eg ≈ 1.5 eV by dependent at the optical characteristics.
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Copyright (c) 2023 Abdulhameed Saeed, Sattar Jabbar Kasim
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