Composition and Morphology of Electrodeposited CuInSe2 Precursor Films

材料科学技术（英）, 2009, 25(2): 242-246.

^1, , ^2, , ^3, , ^4, , ^5,

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

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

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

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

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

Composition and Morphology of Electrodeposited CuInSe2 Precursor Films

Fangyang Liu ^1, , Zhian Zhang ^2, , Yanqing Lai ^3, , Jie Li ^4, , Yexiang Liu ^5,

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

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

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

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

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

Keywords： CuInSe2

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.

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Composition and Morphology of Electrodeposited CuInSe2 Precursor Films

参考文献