Effects of sodium sulfamate on electrodeposition of Cu(In,Ga)Se2 thin film

被引：25
|
作者：
Liu, Jun [1 ]
Liu, Fangyang [1 ]
Lai, Yanqing [1 ]
Zhang, Zhian [1 ]
Li, Jie [1 ]
Liu, Yexiang [1 ]
机构：
[1] Cent S Univ, Sch Met Sci & Engn, Changsha 410083, Hunan, Peoples R China
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2011年 / 651卷 / 02期
关键词：
Cu(In; Ga)Se-2; Electrodeposition; Sodium sulfamate; Complexing agent; Copper selenides; CUIN1-XGA(X)SE-2-BASED PHOTOVOLTAIC CELLS; ONE-STEP ELECTRODEPOSITION; COMPLEXING AGENT; SOLAR-CELLS; CUINSE2; DEPOSITION; GROWTH; LAYERS; SELENIZATION; PERFORMANCE;
D O I：
10.1016/j.jelechem.2010.10.021
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Cu(In,Ga)Se-2 thin films have been prepared by electrodeposition from chloride electrolytes using sodium sulfamate as a complexing agent. Cyclic voltammograms indicate that sodium sulfamate can inhibit the reduction of Cu2+, Cu+ and H2SeO3, and accordingly hinder the formation of copper selenides. EDS analysis reveals that with the increase of sodium sulfamate concentration in the bath, atom ratio (Cu + Se)/(In + Ga) decreases while gallium content increases, and the film composition transforms from Cu-rich to Cu-poor. SEM and Raman spectra also show that copper selenides phases in electrodeposited films diminish with the increase of sodium sulfamate concentration. (C) 2010 Elsevier B.V. All rights reserved.
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页码：191 / 196
页数：6
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