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Proceedings Paper

Influence factors of thermal damage of solar cells irradiated by CW laser
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Paper Abstract

The effect of single junction GaAs solar cells irradiated by 808nm, 1070nm and 10.6um CW lasers is investigated. The results show that, as long as under the same laser coupling intensity, the damage modes of solar cells under different irradiation conditions are similar. With the increase of laser coupling intensity, the maximum temperature of solar cells rises, and the maximum power of solar cells shows a ‘stair-step’ decline. The multiple irradiation experiments of triple junction GaAs solar cells by 1070nm CW laser are carried out. The results show that when the laser intensity is more than 12.8W/cm2 , the performance degradation of solar cells will show a significant accumulation effect. In addition, the thermal sensitive damage factors are explored and verified. The results show that the maximum temperature and the duration of high temperature are sensitive factors for laser irradiation damage of solar cells.

Paper Details

Date Published: 29 March 2019
PDF: 6 pages
Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 110462Q (29 March 2019); doi: 10.1117/12.2523923
Show Author Affiliations
Yunpeng Li, Northwest Institute of Nuclear Technology (China)
Jianmin Zhang, Northwest Institute of Nuclear Technology (China)
Guobin Feng, Northwest Institute of Nuclear Technology (China)
Pengcheng Dou, Northwest Institute of Nuclear Technology (China)
Yubin Shi, Northwest Institute of Nuclear Technology (China)


Published in SPIE Proceedings Vol. 11046:
Fifth International Symposium on Laser Interaction with Matter
YiJun Zhao, Editor(s)

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