Ultrathin CdS/CdTe solar cells by sputtering

被引：130
|
作者：
Paudel, N. R. [1 ]
Wieland, K. A. [1 ]
Compaan, A. D. [1 ]
机构：
[1] Univ Toledo, Dept Phys & Astron, Toledo, OH 43606 USA
来源：
SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2012年 / 105卷
基金：
美国国家科学基金会;
关键词：
Sputtering; Cadmium telluride; II-VI; Ultrathin; Solar cell;
D O I：
10.1016/j.solmat.2012.05.035
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：
We have prepared thin-film CdS/CdTe cells with CdTe thickness from 0.25 mu m to 2.1 mu m on commercial SnO2:F-coated soda-lime glass with a high resistivity transparent SnO2 buffer layer. With careful optimization of the magnetron sputtering conditions, CdS and Cu thicknesses, CdCl2 activation, and back-contact diffusion processes, we obtain 8% efficiency with only 0.25 mu m of CdTe and 11% efficiency with 0.5 mu m. The results confirm the advantages of magnetron sputtering for ultra-thin CdTe and show some light trapping and excellent carrier collection even for the thinnest devices. Published by Elsevier B.V.
引用
收藏
页码：109 / 112
页数：4
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