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Synthesis of hexagonal structured wurtzite and chalcopyrite CuInS2 via a simple solution route

Xia Sheng, Lei Wang, Yeping Luo and Deren Yang*

Author Affiliations

State Key Laboratory of Silicon Materials and Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China

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Nanoscale Research Letters 2011, 6:562  doi:10.1186/1556-276X-6-562

Published: 25 October 2011


Wurtzite semiconductor CuInS2 [CIS] has been reported in recent years. As a kind of metastable structure, it is a great challenge to synthesize pure wurtzite CIS at low temperature. In this paper, via a simple and quick solution route, we synthesize both wurtzite- and chalcopyrite-structure CIS. Well-controlled wurtzite CIS hexagonal plates are obtained when an appropriate agent is added. The influence of the used agent triethanolamine [TEA] has also been studied, and it turns out that without TEA, chalcopyrite CIS with a kind of rare morphology is formed through this method.

wurtzite; chalcopyrite; hexagonal structure; CuInS2