Preparation of Cu2Te Thin Films and Back-Contact Formation of CdTe Solar Cells
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概要
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Cu2Te thin films were prepared by a coevaporation method. The structural, optical, and electronic properties of Cu2Te thin films were investigated using X-ray diffraction, UV–visible–IR transmittance and reflectance spectra, and Hall measurements. The results show that single-phase Cu2Te thin films can be obtained after annealing at 170 °C, and that annealing temperatures higher than 200 °C induce the Cu2Te coexisting phase. Subsequently, CdTe solar cells with a Cu2Te layer were fabricated and annealed at various temperatures. CdTe solar cells with a single-phase hexagonal Cu2Te layer annealed at a temperature of 180 °C show a good ohmic-contact behavior.
- 2009-08-25
著者
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Li Bing
College Of Horticulture Northwest A&f University
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Li Wei
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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Lv Bin
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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Di Xia
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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Feng Lianghuan
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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Lei Zhi
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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Zhang Jingquan
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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Wu Lili
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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Cai Yaping
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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Sun Zhen
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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Li Bing
College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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