Classification of metastabilities in the electrical characteristics of ZnO/CdS/Cu(In,Ga)Se2 solar cells

被引：64
|
作者：
Zabierowski, P
Rau, U
Igalson, M
机构：
[1] Warsaw Univ Technol, Fac Phys, PL-00662 Warsaw, Poland
[2] Univ Stuttgart, Inst Phys Elect, D-70569 Stuttgart, Germany
来源：
THIN SOLID FILMS | 2001年 / 387卷 / 1-2期
关键词：
Cu(In; Ga)Se-2; heterojunction solar cells; defect metastabilities;
D O I：
10.1016/S0040-6090(00)01850-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We experimentally distinguish between three types of metastable electrical behavior in Cu(In,Ga)Se-2-based heterojunction thin-film solar cells. A metastable increase of net acceptor concentration in the bulk of the Cu(In,Ga)Se-2 absorber material is induced by illumination with red light, an increase of net positive charge at the interfacial region is induced by blue light, and a reversible creation of negative charges occurs by the application of reverse bias at temperatures above 340 K. We discuss the physical origin of these metastabilities. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：147 / 150
页数：4
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