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Proceedings Paper

Influence of deposition voltage on the quality of electrodeposited SnS film
Author(s): Shuying Cheng; Yanqing Chen; Cichang Huang; Guonan Chen
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Paper Abstract

In this paper, SnS films were cathodically electrodeposited on ITO glass substrates from aqueous solution containing 5mM SnSO4 and 25mM Na2S2O3 with pH of 2-3. When the deposition potential (E) was varied from -0.60 to -1.1V vs SCE, the corresponding SnS films were characterized with X-ray diffractograms, microstructure and composition analysis. It was found that, the composition ratio Sn/S of the film varied with E, the ratio Sn/S significantly increased and exceeded 1 at E more cathodic than -0.75V vs SCE, and the ratio Sn/S significantly decreased and was less than 1 at E larger than -0.7V vs SCE. The stoichiometric SnS film was synthesized at -0.72~-0.75V vs SCE . The structural and optical properties of the film have been studied. The X-ray diffraction pattern of the film showed that it was polycrystalline and of orthorhombic structure. The estimated optical bandgap energy was 1.31eV.

Paper Details

Date Published: 20 January 2005
PDF: 7 pages
Proc. SPIE 5633, Advanced Materials and Devices for Sensing and Imaging II, (20 January 2005); doi: 10.1117/12.568732
Show Author Affiliations
Shuying Cheng, Fuzhou Univ. (China)
Yanqing Chen, Fuzhou Univ. (China)
Cichang Huang, Fuzhou Univ. (China)
Guonan Chen, Fuzhou Univ. (China)

Published in SPIE Proceedings Vol. 5633:
Advanced Materials and Devices for Sensing and Imaging II
Anbo Wang; Yimo Zhang; Yukihiro Ishii, Editor(s)

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