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International Journal of Photoenergy
Volume 2012, Article ID 171432, 8 pages
Research Article

Electrochemical Deposition of CuxSnySzO Thin Films and Their Application for Heterojunction Solar Cells

Department of Engineering Physics, Electronics and Mechanics, Nagoya Institute of Technology, Gokiso, Showa, Nagoya 466-8555, Japan

Received 11 July 2011; Accepted 26 November 2011

Academic Editor: Peter Rupnowski

Copyright © 2012 Yuki Nakashima and Masaya Ichimura. 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.


CuxSnySzO (CTSO) thin films were deposited from an aqueous solution containing CuSO4, SnSO4, and Na2S2O3 by electrochemical techniques. The deposited films were characterized by Auger electron spectroscopy, X-ray diffraction, and optical transmission spectroscopy. The photoelectrochemical measurement showed that the films have p-type conduction and photosensitivity. ZnO/CTSO heterojunction solar cells were fabricated. Rectification properties were observed, and the cell showed an efficiency of 4 . 9 × 1 0 3 % under AM1.5 illumination.