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Composition, structure and photoelectrochemical characterization of electrodeposited Cu4SnS4 thin films


Citation

Kassim, Anuar and Ho, Soon Min and Tan, Wee Tee and Nagalingam, Saravanan (2010) Composition, structure and photoelectrochemical characterization of electrodeposited Cu4SnS4 thin films. Oriental Journal of Chemistry, 26 (2). pp. 389-394. ISSN 0907-020 X; ESSN: 2231-5039

Abstract

Cu4SnS4 thin films were deposited on indium tin oxide glass substrate using the electrodeposition method. The thin films were obtained in a reaction bath at pH values of 1.1, 1.3, 1.5, 1.7 and 2.0. The structure and chemical composition of the thin films were studied by X-ray diffraction and energy dispersive analysis of X-ray, respectively. The photoresponse of the deposited films and their conduction types were evaluated using the photoelectrochemical technique. The X-ray diffraction data indicated that the of peaks increased as the pH was increased up to 1.5. However, the total Cu4SnS4 peaks reduced to three peaks as the pH was further increased to 2. Based on the energy dispersive analysis of X-ray analysis, the composition ratio Cu:Sn:S of the films was varied with pH. When the pH was lower or higher than pH 1.5, the content of Cu and Sn is slightly greater than that of elemental S. Therefore, the pH had significant influence on the composition of the deposited films.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
Publisher: Oriental Scientific Publishing Company
Keywords: Electrodeposition method; X-ray diffraction; Photocurrent; Thin films
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 17 Jun 2015 07:08
Last Modified: 22 Sep 2015 07:05
URI: http://psasir.upm.edu.my/id/eprint/13730
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