Radiation hard InGaP for high efficiency multi-junction solar cells

被引:0
|
作者
Khan, A [1 ]
Yamaguchi, M [1 ]
Bourgoin, JC [1 ]
Takamoto, T [1 ]
机构
[1] Toyota Technol Inst, Nagoya, Aichi 4688511, Japan
关键词
D O I
10.1109/ISCS.2000.947133
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Present study demonstrates isothermal and injection annealing recovery of photovoltaic parameters in InGaP solar cells after 1 MeV electron irradiation and correlation with changes in the Deep Level Transient Spectroscopy (DLTS) spectra observed in p-InGaP. In particular, the dominant hole level H2 (0.50-0.55 eV) is found to be significantly decay as a result of 40 days room temperature storage. In addition, a minority-carrier injection-enhanced annealing of the trap H2 has also been observed. Furthermore, an evidence of large minority carrier capture cross section for the hole trap H2 has been obtained by double-carrier pulse DLTS which demonstrate the role of this trap act as an apparent recombination center.
引用
收藏
页码:85 / 90
页数:6
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