Study of Cd-free buffer layers using Inx(OH,S)y on CIGS solar cells

被引:25
作者
Huang, CH
Li, SS [1 ]
Shafarman, WN
Chang, CH
Lambers, ES
Rieth, L
Johnson, JW
Kim, S
Stanbery, BJ
Anderson, TJ
Holloway, PH
机构
[1] Univ Florida, Dept Elect & Comp Engn, Gainesville, FL 32611 USA
[2] Univ Delaware, Inst Energy Convers, Newark, DE 19716 USA
[3] Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA
[4] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA
关键词
CBD; buffer layer; CIGS; XPS; Auger; AES; CIS; photovoltaic;
D O I
10.1016/S0927-0248(00)00386-X
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
The alternative buffer layer material In-x(OH,S)(y) was deposited on Cu(In,Ga)Se-2 (CIGS) thin films by chemical-bath-deposition (CBD). The impurities in In-x(OH,S)(y) buffer layers and their atomic concentration were characterized by X-ray photoelectron spectroscopy (XPS) and Auger electron spectroscopy (AES) analyses. In addition, AES was used to depth profile the samples. The band-gap energy of the deposited In-x(OH,S)(y) was determined from optical absorption data. Both the dark- and photo-current-voltage (I-V) characteristics of the CIGS solar cells with In-x(OH,S)(y) buffer layers were measured, and the results were compared to the CIGS cells deposited with CBD CdS buffer layers. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:131 / 137
页数:7
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