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.

引用

页码：492 / 498

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