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1. (WO2017185774) FLIP FOUR-JUNCTION SOLAR CELL STRUCTURE AND PREPARATION METHOD THEREFOR

Pub. No.:    WO/2017/185774    International Application No.:    PCT/CN2016/111669
Publication Date: Fri Nov 03 00:59:59 CET 2017 International Filing Date: Sat Dec 24 00:59:59 CET 2016
IPC: H01L 31/0687
H01L 31/18
Applicants: TIANJIN SANAN OPTOELECTRONICS CO., LTD.
天津三安光电有限公司
Inventors: LI, Senlin
李森林
BI, Jingfeng
毕京锋
SONG, Minghui
宋明辉
LIU, Guanzhou
刘冠洲
LI, Mingyang
李明阳
CHEN, Wenjun
陈文浚
WU, Chaoyu
吴超瑜
WANG, Duxiang
王笃祥
Title: FLIP FOUR-JUNCTION SOLAR CELL STRUCTURE AND PREPARATION METHOD THEREFOR
Abstract:
Disclosed are a flip four-junction solar cell structure and a preparation method therefor. Firstly, a GaInP sub-cell and a GaAs sub-cell are formed on a GaAs substrate in sequence by means of MOCVD or an MBE, and then a SiGeSn sub-cell and a SiGe sub-cell are grown by means of UHVCVD. This cell structure has good current matching and lattice matching, and can achieve a high crystalline quality and cell efficiency.