A comparative study on the nanocrystalline ZnO thin films prepared by ultrasonic spray and sol-gel method

被引：44

作者：

Benramache, Said ^{[1
]}

Benhaoua, Boubaker ^{[2
]}

Chabane, Foued ^{[3
]}

Guettaf, Abderrazak ^{[4
]}

机构：

[1] Univ Biskra, Fac Sci, Dept Mat Sci, Biskra 07000, Algeria

[2] Univ El Oued, Inst Technol, VTRS Lab, El Oued, Algeria

[3] Univ Biskra, Fac Technol, Dept Mech, Biskra 07000, Algeria

[4] Univ Biskra, Fac Technol, Dept Elect Engn, Biskra 07000, Algeria

来源：

OPTIK | 2013年 / 124卷 / 18期

关键词：

ZnO; Thin film; Ultrasonic spray; Dip-coating; XRD; OPTICAL-PROPERTIES; ANNEALING TEMPERATURE; SUBSTRATE-TEMPERATURE; PYROLYSIS; NANORODS; GROWTH;

D O I：

10.1016/j.ijleo.2012.10.001

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Nanocrystalline ZnO thin films are deposited through two different chemical methods: (i) the films prepared by ultrasonic spray with 0.1 M and (ii) dip-coating from zinc acetate complex solutions with 0.5 M, the films obtained at different temperatures. The XRD analyses indicated that ZnO films have nanocrystalline hexagonal structure with (0 0 2) preferential orientation and the Maximum crystallite size value of 103 nm measured from the films prepared by dip-coating. UV-vis measurement indicated that all films are transparency in the visible region. The optical band gap increased with decreasing of the Urbach tail energy indicating that the increase in the transition tail width and decrease of the defects, respectively. (C) 2012 Published by Elsevier GmbH.

引用

页码：3221 / 3224

页数：4

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