电沉积CuInSe2预置层的形貌与成分研究Composition and Morphology of Electrodeposited CuInSe2 precursor films

J. Mater. Sci. Technol. ›› 2009, Vol. 25 ›› Issue (02): 242-246.

电沉积CuInSe2预置层的形貌与成分研究Composition and Morphology of Electrodeposited CuInSe2 precursor films

刘芳洋;赖延清

中南大学

收稿日期:2008-04-01 修回日期:2008-06-20 出版日期:2009-03-28 发布日期:2009-10-10
通讯作者: 刘芳洋
基金资助:
湖南省科技支撑计划;无;湖南省科技支撑计划;无

Composition and Morphology of Electrodeposited CuInSe₂ Precursor Films

Fangyang Liu^†, Zhian Zhang, Yanqing Lai, Jie Li and Yexiang Liu

School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China

Received:2008-04-01 Revised:2008-06-20 Online:2009-03-28 Published:2009-10-10
Contact: Fangyang Liu
Supported by:
the Ph.D. Programs Foundations of Ministry of Education of China under grant No. 200805331121

摘要/Abstract

摘要：

采用电沉积法在酸性溶液中制备出CuInSe2 (CIS)预制层。采用X射线衍射（XRD）、扫描电镜（SEM）和X射线能谱（EDS）对预制层的结构、形貌和成分进行了表征。深入探讨了沉积电位和柠檬酸钠浓度对预制层的形貌和成分的影响规律。研究发现沉积电位和柠檬酸钠浓度能强烈影响预制层的形貌。当沉积电位为-0.7和-0.75V vs.SCE、柠檬酸钠浓度为500mM时，能制得颗粒尺寸大且均一、Cu/In接近1的预制层。预制层中含有黄铜矿结构的CuInSe2但结晶较差。

Abstract:

CuInSe₂ (CIS) precursor films have been prepared by electrodeposition in aqueous solution. The electrodeposited films were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) for structural, morphological and componential properties. The influence of deposition potential and Na-citrate concentration on composition and morphology of electrodeposited films was studied in detail. It is found that the film morphology is strongly influenced by deposition potential and Na-citrate concentration. Films with large and homogenous grain size and ratio of Cu/In approaching 1 were obtained at deposition potentials of -0.7 and -0.75 V vs the saturated calomel electrode (SCE) and Na-citrate concentration of 500 mmol/L. Chalcopyrite phase CuInSe₂ is contained in precursor films that have poor crystallinity.

Key words: CuInSe₂, Electradeposition, Composition, Morphology

刘芳洋赖延清. 电沉积CuInSe2预置层的形貌与成分研究Composition and Morphology of Electrodeposited CuInSe2 precursor films[J]. J. Mater. Sci. Technol., 2009, 25(02): 242-246.

Fangyang Liu,Zhian Zhang,Yanqing Lai,Jie Li,Yexiang Liu. Composition and Morphology of Electrodeposited CuInSe₂ Precursor Films[J]. J Mater Sci Technol, 2009, 25(02): 242-246.

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