Invited Paper: CIGS-based Thin Film Solar Cells and Modules: Unique Material Properties

被引：68
作者：
Nakada, Tokio [1 ]
机构：
[1] Aoyama Gakuin Univ, Dept Elect Engn & Elect, Kanagawa 2298558, Japan
来源：
ELECTRONIC MATERIALS LETTERS | 2012年 / 8卷 / 02期
关键词：
Cu(In; Ga)Se-2; sodium effects; double graded bandgap; grain boundary; ELECTRICAL-PROPERTIES; HIGH-EFFICIENCY; CU(IN; GA)SE-2; SODIUM;
D O I：
10.1007/s13391-012-2034-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Although CIGS solar cells consist of a polycrystalline thin film grown on a glass substrate, more than 20% conversion efficiency has been achieved. The efficiency has reached the same level as polycrystalline silicon solar cells. This high efficiency has not yet been observed in other thin film solar cells including thin film Si and CdTe. Therefore, it is important to understand the mechanisms that allow CIGS solar cells to exhibit high conversion efficiencies. This paper discusses the origin of the high efficiency and demonstrates that it is caused by the unique material properties of CIGS films.
引用
收藏
页码：179 / 185
页数：7
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