Analysis of design for a-SiC/c-Si heterojunction solar cells

被引：0
|
作者：
Lin, Hongsheng [1 ]
Duan, Kaimin [1 ]
Ma, Lei [1 ]
机构：
[1] Dept. of Phys., Univ. of Sci. and Technol. of China, Hefei 230026, China
来源：
Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors | 2002年 / 23卷 / 05期
关键词：
Computer simulation - Heterojunctions - Poisson equation - Stability - Structural design;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A computer simulation model of a-SiC/c-Si heterojunction solar cells at thermodynamic equilibrium using a Scharfetter-Gummel solution of Poissons equation is developed. The energy band structure and distribution of electric field in a-SiC/c-Si heterojunction are analyzed in detail. From results, the collection and transport of photo-generated carriers are increased effectively due to the designs of thinner p+ (a-SiC:H) layer and the insertion of an i (a-Si:H) buffer thin layer into the heterojunction. Such a design also improves the performances of a-SiC/c-Si heterojunction solar cells. In case of prolonged light soaking, the simulation shows that a-SiC/c-Si heterojunction structure solar cell possesses high light stability.
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页码：492 / 498
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