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Proceedings Paper

Progress in advanced laser processing for manufacturing of high efficiency silicon solar cells
Author(s): Jian Chen; Li Chen; Zhouling Wu; Junhong Yang; Yunfeng Ma
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Paper Abstract

To reduce manufacturing costs and to improve electrical efficiency of solar cells are top priorities of the whole photovoltaic (PV) industry. The success of laser processing techniques in the integrated circuits industry indicates that such techniques could also be adapted in the PV industry. In this paper, we presented recent progress in advanced laser processing for manufacturing of high efficiency silicon solar cells at RX Technologies, especially the application of picosecond laser pulses for ablation and doping on crystalline silicon solar cells. A system based on this technique has been employed in production line by one of the leading manufacturers of solar cells. Efficiencies of 19.2% and 17.5% for monocrystalline silicon and polycrystalline silicon have been achieved under the condition of volume production. This result shows a great improvement, compared with results obtained from traditional manufacturing techniques.

Paper Details

Date Published: 12 January 2012
PDF: 6 pages
Proc. SPIE 8206, Pacific Rim Laser Damage 2011: Optical Materials for High Power Lasers, 82061E (12 January 2012); doi: 10.1117/12.910470
Show Author Affiliations
Jian Chen, RX Technologies Co., Ltd. (China)
Li Chen, RX Technologies Co., Ltd. (China)
Zhouling Wu, RX Technologies Co., Ltd. (China)
Junhong Yang, Beijing GK Laser Technology Co., Ltd (China)
Yunfeng Ma, Beijing GK Laser Technology Co., Ltd (China)


Published in SPIE Proceedings Vol. 8206:
Pacific Rim Laser Damage 2011: Optical Materials for High Power Lasers
Jianda Shao, Editor(s)

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