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http://dx.doi.org/10.5229/JKES.2011.14.4.225

Electrochemical Preparation of Indidum Sulfide Thin Film as a Buffer Layer of CIGS Solar Cell  

Kim, Hyeon-Jin (Department of chemistry, University of Incheon)
Kim, Kyu-Won (Department of chemistry, University of Incheon)
Publication Information
Journal of the Korean Electrochemical Society / v.14, no.4, 2011 , pp. 225-230 More about this Journal
Abstract
CIGS solar cells are kind of thin film solar cells, which are studied several years. CdS buffer layer that makes heterojunction between window layer and absorbing layer was one of issue in the CIGS solar cell study. New types of buffer layer consisted of indium sulfide are being studied these days owing to high price and environmental harmful of CdS. In this study, we demonstrated electrochemical synthesis of indium sulfide film as a buffer layer, which is cheaper and faster than other methods. A uniform indium sulfide film was obtained by applying two different alternating potentials. The band gap of the film was optimized by controlling temperature during the electrochemical synthesis. Using x-ray photoelectron spectroscopy and diffraction method we confirmed that ${\beta}$-indium sulfide was formed on ITO electrode surface.
Keywords
Solarcell; CIGS; Buffer layer; Indium sulfide; Electrochemistry;
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Times Cited By KSCI : 1  (Citation Analysis)
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