Bi2Te3 thin films prepared by co-evaporation for CdTe thin film solar cells

被引：23

作者：

Tang, Rongzhe ^{[1
]}

Wang, Zhouling ^{[1
]}

Li, Wei ^{[1
]}

Feng, Lianghuan ^{[1
]}

Zhang, Jingquan ^{[1
]}

Wu, Lili ^{[1
]}

Li, Bing ^{[1
]}

Zeng, Guanggen ^{[1
]}

Wang, Wenwu ^{[1
]}

机构：

[1] Sichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Peoples R China

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2014年 / 121卷

基金：

中国国家自然科学基金;

关键词：

CdTe solar cell; Back contact; Bi2Te3; DOPED CDTE; PHYSICAL-PROPERTIES; SPUTTERED BI2TE3; BACK CONTACTS; OPTIMIZATION; TEMPERATURE; STABILITY; EFFICIENT; CRYSTAL; CSVT;

D O I：

10.1016/j.solmat.2013.10.039

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Bi2Te3 thin films were fabricated by vacuum co-evaporation and the properties of the films were investigated using X-ray diffraction, Hall measurements, and synchrotron radiation photoemission spectroscopy. The results indicate that p-type Bi2Te3 films, which have a work function of about 5.4 eV and carrier concentration of the order of 10(21) cm(-3), are a rhombohedral phase with a strong (105) preferred orientation. A co-evaporated Bi2Te3 buffer layer was used for a back contact to CdTe thin film solar cells. C-V measurements, light and dark J-V measurements, and spectral response analysis also show that the p back contact has greatly enhanced cell performance. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：92 / 98

页数：7

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