Effect on Ordering of the Growth of GaInP Layers on (111)-GaAs Faces

被引:3
|
作者
Martinez, O. [1 ]
Hortelano, V. [1 ]
Jimenez, J. [1 ]
Parra, V. [2 ]
Pelosi, C. [3 ]
Attolini, G. [3 ]
Prutskij, T. [4 ]
机构
[1] GdS Optronlab, Dpto Fis Mat Condensada, Valladolid 47011, Spain
[2] Grp Pevafersa, Toro 49800, Zamora, Spain
[3] IMEM CNR, I-43100 Parma, Italy
[4] BUAP, Inst Ciencias, Puebla 72000, Mexico
关键词
GaInP; III-V solar cells; Cu-Pt ordering effects; micro-Raman; luminescence; CONCENTRATOR SOLAR-CELLS; STRAIN;
D O I
10.1007/s11664-010-1178-4
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
GaInP, an essential material for multijunction structures of III-V compounds for solar cells, can achieve better photovoltaic responses when grown on (111)GaAs faces, due to the large internal electric fields generated by the off-diagonal strain. In this work, we explored metalorganic chemical vapor deposition growth of GaInP layers on (001)-, (111)Ga-, and (111)As-GaAs substrates, using different phosphine flow rates. The structural and optical properties of the layers have been studied by micro-Raman spectroscopy, microphotoluminescence, and cathodoluminescence. Problems such as composition control, growth rate, and the presence of ordered phases are addressed.
引用
收藏
页码:671 / 676
页数:6
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