发明名称 CIGS COMPOUND SOLAR CELL
摘要 In order to provide a CIGS compound solar cell with a high conversion efficiency, a CIGS compound solar cell including a rear electrode layer, a CIGS light absorbing layer, a buffer layer, and a transparent electrode layer in this order over a substrate is configured such that the buffer layer comprises a mixed crystal of a Group IIa metal and zinc oxide, and characteristics of the mixed crystal as shown by X-ray diffraction satisfy the following formula (1):;0.5≦A/(A+B+C)<1   (1);(where none of A, B, C are 0) A: peak intensity at plane (002)B: peak intensity at plane (100)C: peak intensity at plane (101).
申请公布号 US2015027537(A1) 申请公布日期 2015.01.29
申请号 US201314376761 申请日期 2013.02.25
申请人 NITTO DENKO CORPORATION 发明人 Teraji Seiki;Kawamura Kazunori;Nishii Hiroto;Watanabe Taichi
分类号 H01L31/0216;H01L31/032;H01L31/0224 主分类号 H01L31/0216
代理机构 代理人
主权项 1. A CIGS compound solar cell comprising: at least a Group I-III-VI compound semiconductor layer, a buffer layer, and a transparent electrode in this order over a substrate, wherein the buffer layer comprises a mixed crystal of a Group IIa metal and zinc oxide, and wherein characteristics of the mixed crystal as shown by X-ray diffraction satisfy the following formula (1): 0.5≦A/(A+B+C)<1   (1)where none of A, B, C are 0 A: peak intensity at plane (002) B: peak intensity at plane (100) C: peak intensity at plane (101).
地址 Ibaraki-shi, Osaka JP