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이 논문의 연구 히스토리 (4)
2011
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The a-Si:H/c-Si hetero-junction (HJ) solar cells have a variety of advantages in efficiency and fabrication processes. It has already demonstrated about 23% in R&D scale and more than 20% in commercial production. In order to further reduce the fabrication cost of HJ solar cells, fabrication processes should be simplified more than conventional methods which accompany separate processes of front and rear sides of the cells. In this study, we propose a simultaneous deposition of intrinsic thin a-Si:H layers on both sides of a wafer by dual hot wire CVD (HWVCD). In this system, wafers are located between tantalum wires, and a-Si:H layers are simultaneously deposited on both sides of the wafer. By using this scheme, we can reduce the process steps and time and improve the efficiency of HJ solar cells by removing surface contamination of the wafers. We achieved about 16% efficiency in HJ solar cells incorporating intrinsic a-Si:H buffers by dual HWCVD and p/n layers by PECVD.
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참고문헌 (24)
참고문헌 신청
M. Tanaka / 1992 / Jpn. J. Appl. Phys 31:3518
M. Tanaka / 2003 / in Proceedings of the 3rd World Conference on Photovoltaic Energy Conversion :955
Y. Matsumoto / 1990 / J. Appl. Phys 67:6538
Y. Tsunomura / 2009 / Sol. Energ. Mater. Sol. Cell 93:670
S. Dauwe / 2002 / in Proceedings of the 29th IEEE Photovoltaic Specialists Conference :1246
M. Tanaka / 2003 / in Proceedings of the 3rd World Conference on Photovoltaic Energy Conversion :955
Y. Matsumoto / 1990 / J. Appl. Phys 67:6538
Y. Tsunomura / 2009 / Sol. Energ. Mater. Sol. Cell 93:670
S. Dauwe / 2002 / in Proceedings of the 29th IEEE Photovoltaic Specialists Conference :1246
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