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《Chinese Journal of Luminescence》 2017-09
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Low-weight Flexible GaInP/Ga(In)As/Ge Triple-junction Solar Cell and Its Performance

WANG Du-xiang;LI Ming-yang;BI Jing-feng;LI Sen-lin;LIU Guan-zhou;SONG Ming-hui;WU Chao-yu;CHEN Wen-jun;Tianjin San'an Optoelectronics Co.,Ltd.;  
In order to study the performance of flexible solar cells,low-weight flexible Ga In P/Ga( In) As/Ge triple-junction solar cell was fabricated by thinning process. The weight of the 40 mm × 60 mm solar cell chip is 0. 7 g,which is only 30% of the conventional solar cell with the thickness of175 μm. The conversion efficiency of this kind of solar cell is 30. 64%,closing to that of the normal thickness chips. The results show the feasibility of this thinning process. For both samples with different chips thickness,under different temperature,the dark I-V curves were measured and the temperature coefficients were fitted. It can be concluded that the temperature coefficient is linearly correlated to the PN junction rather than the substrate type.
【Key Words】: space solar cell flexible solar cell temperature coefficient
【Fund】: 天津市科技小巨人领军企业培育重大项目(14ZXLJGX00400);; 天津市科技支撑计划(16YFZCGX00030)资助项目~~
【CateGory Index】: TM914.4
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