OPTICAL ABSORPTION AND ELECTRICAL CONDUCTIVITY IN AMORPHOUS IN-ZN-O: A NEW TCO FOR CIGS PV

被引：0

作者：

Perkins, J. D. ^{[1
]}

Gennett, T. ^{[1
]}

van Hest, M. F. A. M. ^{[1
]}

Gedvilas, L. M. ^{[1
]}

Ginley, D. S. ^{[1
]}

机构：

[1] Natl Renewable Energy Lab, Golden, CO 80401 USA

来源：

2009 34TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE, VOLS 1-3 | 2009年

关键词：

D O I：

暂无

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 report the coupled optical and electrical properties of a-IZO films as a function of both the metals composition and the %O(2) in the Ar/O(2) sputter gas mix. In particular, a-IZO films with conductivity sigma > 2000 S/cm can be grown for a broad range of metals compositions (60 to 85 at.% In) as long as the corresponding optimal oxygen level is used in the deposition. The amount of oxygen required increases with increasing indium content. When too much oxygen is used, the a-IZO remains clear but the conductivity is reduced due to a decreased carrier concentration. Whereas, when too little oxygen is used, the conductivity is reduced due to decreased electron mobility and there is a concurrent increase in the optical absorption from 400 to 1000 nm which renders the oxygen deficient a-IZO samples gray.

引用

页码：704 / 706

页数：3

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