SiO2 and Al2O3/SiO2 coatings for increasing emissivity of Cu(In, Ga)Se2 thin-film solar cells for space applications

被引：31
|
作者：
Shimazaki, Kazunori [1 ]
Imaizumi, Mitsuru [1 ]
Kibe, Koichi [1 ]
机构：
[1] Japan Aerosp Explorat Agcy, Inst Aerosp Technol, Tsukuba, Ibaraki 3058505, Japan
来源：
THIN SOLID FILMS | 2008年 / 516卷 / 08期
关键词：
multilayers; optical coatings; optical properties; solar cells; zinc oxide;
D O I：
10.1016/j.tsf.2007.07.159
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study. optical coatings were investigated as substitutes for the cover-lass on flexible thin-film space solar cells. The inherent low emissivity of copper-indium-gal lium-diselenide (CIGS) thin-film solar cells was increased using optical coatings for thermal balance in space. Evaporated silicon dioxide (SiO2) and an additional aluminum oxide (Al2O3) coating on the CIGS solar cell increased the emissivity from 0.18 to 0.77. Higher emissivity was realized with the Al2O3/SiO2 double-layer coating than with the SiO2 single-layer coating. The straightforward double-layer coating gives the CIGS solar cells appropriate radiative properties for keeping the cell within a permissible temperature range in space. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：2218 / 2224
页数：7
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