Cu₂ZnSnS₄ thin films: Facile and cost-effective preparation by RF-magnetron sputtering and texture control

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• 作者：Jiansheng Wang ; Song Li ; Jiajia Cai ; Bo Shen ; Yuping Ren ; Gaowu Qin ; ^{qingw@smm.neu.edu.cn}
• 关键词：Cu2ZnSnS4 (CZTS) ; RF magnetron sputtering ; Photovoltaic semiconductor ; Texture control
• 刊名：Journal of Alloys and Compounds
• 出版年：2013
• 出版时间：5 March, 2013
• 年：2013
• 卷：552
• 期：Complete
• 页码：418-422
• 全文大小：1408 K

文摘

Cu₂ZnSnS₄ photovoltaic semiconductor films (CZTS) were deposited by RF magnetron sputtering using a home-made Cu₂S-ZnS-SnS₂-S mixed powder target. The phase information of the CZTS films was studied via X-ray diffraction and Raman scattering techniques. The films prepared at substrate temperatures between 150 ¡ãC and 200 ¡ãC exhibited strong preferential orientation of grains along <1 1 2>. Higher substrate temperature (over 200 ¡ãC) induced a flower-like structure of CZTS films without preferred orientation and the light absorption coefficients were largely enhanced. The energy band gaps of CZTS films deposited at different substrate temperatures were approximate 1.7 eV.