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Electrodeposition of Cu2ZnSnS4 Thin Films Using Ionic Liquids

Published online by Cambridge University Press:  21 March 2011

C.P. Chan ,
H. Lam ,
K.Y. Wong  and
C. Surya
C.P. Chan
Affiliation:
Department of Electronic and Information Engineering and Photonics Research Centre The Hong Kong Polytechnic University, Hong Kong, China
H. Lam
Affiliation:
Department of Electronic and Information Engineering and Photonics Research Centre The Hong Kong Polytechnic University, Hong Kong, China
K.Y. Wong
Affiliation:
Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
C. Surya*
Affiliation:
Department of Electronic and Information Engineering and Photonics Research Centre The Hong Kong Polytechnic University, Hong Kong, China
*
Corresponding author
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Abstract

We report the growth of Cu2ZnSnS4 (CZTS) thin films by electrodeposition in ionic liquid. Sulfurization was performed in elementary sulfur vapor environment at 450°C for 2 hours. The X-ray diffraction analysis indicated that the film has a stannite structure with preferred grain orientation along (112). Photo-absorption measurement of the sample was performed from 500 nm to 990 nm. It is found that the energy bandgap of the film is about 1.49eV and the absorption coefficient is found to be of the order of 104cm-1.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1123: Symposium P – Photovoltaic Materials and Manufacturing Issues , 2008 , 1123-P05-06
Copyright
Copyright © Materials Research Society 2009

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