Growth of ZnS thin films obtained by chemical spray pyrolysis:: The influence of precursors

被引：77

作者：

López, MC

Espinos, JP

Martín, F

Leinen, D

Ramos-Barrado, JR ^{[1
]}

机构：

[1] Univ Malaga, Fac Ciencias, Lab Mat & Superfine, Unidad Asociada,CSIC,Dptos Fis Aplicada, E-29071 Malaga, Spain

[2] Univ Malaga, Fac Ciencias, Lab Mat & Superfine, Unidad Asociada,CSIC,Dpto Ingn Quim, E-29071 Malaga, Spain

[3] CSIC, Inst Ciencia Mat, E-4092 Seville, Spain

来源：

JOURNAL OF CRYSTAL GROWTH | 2005年 / 285卷 / 1-2期

关键词：

growth models; surface processes; surface structure; semiconducting materials; solar cells;

D O I：

10.1016/j.jcrysgro.2005.07.050

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Thin films of zinc sulphide (ZnS) were prepared by spray pyrolysis using two mixed aqueous solutions: (a) dehydrated zinc acetate (10(-2) M) and thiourea (4 x 10(-2) M) in bidistillated water; (b) zinc chloride (10(-2) M) and thiourea (4 x 10-2 M) in bidistillated water. The structure, surface morphology, chemical composition and optical properties of these films were investigated as a function of initial (Zn:S) ratio in the solution, which varied between (1:1) and (1:6) for both solutions. This parameter was optimized in order to obtain films with a good stoichiometry, crystalline quality and high transmittance. It was found that films prepared from solution A, with a (Zn:S) ratio equal to (1:4) have the largest crystal size, smoothest surface, high optical transmittance and a (Zn/S) ratio in films equal to 0.91, as determined by XPS. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：66 / 75

页数：10

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