Growth and characterization of the ZnO/ZnS bilayer obtained by chemical spray pyrolysis

被引:6
|
作者
Lopez, M. C. [1 ,2 ]
Espinos, J. P. [3 ]
Leinen, D. [1 ,2 ]
Martin, F. [1 ,2 ]
Centeno, S. P. [4 ]
Romero, R. [1 ,2 ]
Ramos-Barrado, J. R. [1 ,2 ]
机构
[1] Univ Malaga, Lab Mat & Superficie, Unidad Asociada, Dptos Fis Aplicada,CSIC, E-29071 Malaga, Spain
[2] Univ Malaga, Fac Ciencias, Dpto Ingn Quim, E-29071 Malaga, Spain
[3] CSIC, Inst Ciencias Mat Sevilla, E-41092 Seville, Spain
[4] Univ Malaga, Fac Ciencias, Dept Quim Fis, E-29071 Malaga, Spain
关键词
Interface; Inorganic compounds; Sulphides; Semiconducting II-VI; Bilayers;
D O I
10.1016/j.apsusc.2008.06.195
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
ZnO/ZnS bilayer antireflection coatings have been prepared by spray pyrolysis using aqueous solutions of zinc acetate and thiourea or zinc chloride and thiourea. The structure, surface morphology, chemical composition and optical transmittance of the bilayer have been examined as a function of the composition of the initial solution. X-ray photoelectron spectroscopy analysis and Ar ion-beam sputter etching was carried out to obtain a depth pro. le of bilayer. Neither carbon nor other by-products, which could alter the optical transmittance of the bilayer were found in either the interface or bulk. The differences between the bilayers arise from the annealing of the ZnS underlayer, as well as the precursor used to prepare it. (C) 2008 Elsevier B. V. All rights reserved.
引用
收藏
页码:2118 / 2124
页数:7
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