III-V compounds for solar cell applications

被引:122
作者
Bett, AW
Dimroth, F
Stollwerck, G
Sulima, OV
机构
[1] Fraunhofer Inst Solar Energy Syst, ISE, D-79100 Freiburg, Germany
[2] Freiburg Mat Res Ctr, D-49104 Freiburg, Germany
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1999年 / 69卷 / 02期
关键词
D O I
10.1007/s003390050983
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Research activities in the field of III-V solar cells are reviewed. III-V compound semiconductors are used for space solar cells, concentrator solar cells, and in thermophotovoltaic generators. The epitaxial growth of ternary and quaternary material by MOVPE and LPE allows us to realize various band gaps. Multi-junction solar cells with different band gaps are necessary to obtain efficiencies larger than 30%. Recent results of the III-V solar cell research at the Fraunhofer ISE are presented. A mechanically stacked GaAs/GaSb tandem concentrator solar cell achieved an efficiency of 31.1% under 100 x AM1.5d. An efficiency of 23% for a two-terminal concentrator module (486 cm(2)) with Fresnel lenses has been measured under realistic outdoor conditions.
引用
收藏
页码:119 / 129
页数:11
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