Effect of window layer composition in Cd1-xZnxS/CdTe solar cells

被引：65

作者：

Kartopu, Giray ^{[1
]}

Clayton, Andrew J. ^{[1
]}

Brooks, William S. M. ^{[1
]}

Hodgson, Simon D. ^{[1
]}

Barrioz, Vincent ^{[1
]}

Maertens, Alban ^{[1
]}

Lamb, Dan A. ^{[1
]}

Irvine, Stuart J. C. ^{[1
]}

机构：

[1] Glyndwr Univ, Optic Glyndwr, CSER, St Asaph LL17 0JD, Wales

来源：

PROGRESS IN PHOTOVOLTAICS | 2014年 / 22卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

CdTe thin-film solar sells; window layer composition; blue response; THIN-FILM; SEMICONDUCTOR; GROWTH; MOCVD;

D O I：

10.1002/pip.2272

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：

To improve CdS/CdTe cell/module efficiencies, CdS window layer thinning is commonly applied despite the risk of increased pin-hole defects and shunting. An alternative approach is to widen the band gap of the window layer (2.42eV for CdS) via alloying, for example, by forming compositions of Cd1-xZnxS. In this study, the performance of Cd1-xZnxS/CdTe thin-film solar cells has been studied as a function of x (from x=0 to 0.9), widening the window layer band gap up to and over 3.4eV. Optimum Cd1-xZnxS compositions were clearly identified to be around x=0.7, and limitations to the achievable photocurrent and conversion efficiencies have been addressed. Copyright (c) 2012 John Wiley & Sons, Ltd.

引用

页码：18 / 23

页数：6

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