Journal of University of Science and Technology of China ›› 2011, Vol. 41 ›› Issue (5): 408-413.DOI: 10.3969/j.issn.0253-2778.2011.05.005
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CHEN Xiangzhou
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Abstract: High quality chalcopyrite CuInSe2 films were synthesized by a non-vacuum solution method using nitrates as sources for low-cost photovoltaic applications. The solution based on nitrates was used for precursor films by the spin-coating process, and sequential reduction and selenization treatments were performed with hydrogen and Se vapor, respectively. Through X-ray diffraction (XRD), X-ray fluorescence (XRF), scanning electron microscope (SEM) and Raman scatting measurements, it was found that uniform, high crystalline and crack-free films were obtained using this simple method. Also, the films exhibited Cu2-xSe secondary phase free property, indicating the excellent quality of the synthesized CuInSe2 thin films. Finally, the phenomenon and mechanism of the two-layered structure formation of the synthesized CuInSe2 thin film were discussed.
Key words: sol-gel, nitrates, CuInSe2, selenization
CHEN Xiangzhou, CHEN Guilin, LIU Weifeng, ZHU Changfei. CuInSe2 thin films synthesized by sol-gel method with nitrates as precursors[J]. Journal of University of Science and Technology of China, 2011, 41(5): 408-413.
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URL: http://just-cn.ustc.edu.cn/EN/10.3969/j.issn.0253-2778.2011.05.005
http://just-cn.ustc.edu.cn/EN/Y2011/V41/I5/408