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Proceedings Paper

Preparation and optical properties of chemical bath deposited ZnS thin films
Author(s): Xiaoli Zhang; Juan Qin; Zhenyi Chen; Min Zhang; Jirong Li; Weimin Shi; Linjun Wang
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Paper Abstract

In this paper we study chemical bath deposition of ZnS thin films on glass slides with two different kinds of systems, that is, hydrazine hydrate system (N2H4•H2O/NH3•H2O/SC(NH2)2/ZnSO4) and citric acid system (C6H8O7/NH3•H2O/ SC(NH2)2/ZnSO4) in aqueous solution. The properties of ZnS thin films are characterized by X-ray diffraction, scanning electron microscopy and UV-Vis spectroscopy. The optical band gap is calculated from transmission spectra. The results show that ZnS thin films in citric acid system have better crystallization, higher transmittance and much lesser white spots which might be colloidal particles sedimentation mixed with ZnS, indicating that ZnS thin films prepared using citric acid system being more suitable for the buffer layer of CIGS solar cells.

Paper Details

Date Published: 18 February 2011
PDF: 4 pages
Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 799512 (18 February 2011); doi: 10.1117/12.888336
Show Author Affiliations
Xiaoli Zhang, Shanghai Univ. (China)
Juan Qin, Shanghai Univ. (China)
Zhenyi Chen, Shanghai Univ. (China)
Min Zhang, Shanghai Univ. (China)
Jirong Li, Shanghai Univ. (China)
Weimin Shi, Shanghai Univ. (China)
Linjun Wang, Shanghai Univ. (China)

Published in SPIE Proceedings Vol. 7995:
Seventh International Conference on Thin Film Physics and Applications
Junhao Chu; Zhanshan Wang, Editor(s)

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