Research on the optimum hydrogenated silicon thin films for application in solar cells |
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| Authors: | Lei Qing-Song Wu Zhi-Meng Geng Xin-Hu Zhao Ying Sun Jian and Xi Jian-Ping |
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| Affiliation: | Institute of Micro and Nano Science and Technology, Shanghai Jiaotong University, Shanghai 200030, China; Institute of Photo-electronics, Nankai University, Tianjin 300071, China |
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| Abstract: | Hydrogenated silicon (Si:H) thin films for application in solar cells were deposited by using very high frequency plasma enhanced chemical vapour deposition (VHF PECVD) at a substrate temperature of about 170℃. The electrical, structural, and optical properties of the films were investigated. The deposited films were then applied as i-layers for p-i-n single junction solar cells. The current--voltage (I-V) characteristics of the cells were measured before and after the light soaking. The results suggest that the films deposited near the transition region have an optimum properties for application in solar cells. The cell with an i-layer prepared near the transition region shows the best stable performance. |
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| Keywords: | hydrogenated silicon thin film transition region Si:H thin film solar cell stability |
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