Influence of annealing temperature on the structural and optical properties of sol-gel prepared ZnO thin films

被引：75
|
作者：
Wang, Mingsong
Kim, Eui Jung [1 ]
Chung, Jin Suk
Shin, Eun Woo
Hahn, Sung Hong
Lee, Ka Eun
Park, Chinho
机构：
[1] Univ Ulsan, Dept Chem Engn, Ulsan 680749, South Korea
[2] Univ Ulsan, Dept Phys, Ulsan 680749, South Korea
[3] Yeungnam Univ, Sch Chem Engn & Technol, Gyongsan 712749, South Korea
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2006年 / 203卷 / 10期
关键词：
D O I：
10.1002/pssa.200521398
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Zinc oxide thin films have been prepared via a sol-gel process. The influence of annealing temperature on the structural and optical properties of the ZnO thin films has been investigated. The prepared ZnO, thin films had a polycrystalline hexagonal wurtzite structure with no preferred orientation. The annealing temperature had a great effect on the optical properties of the ZnO thin films: the optical band gap became narrow due to the increase in crystallite size and the reduction in amorphous phase amount with increasing annealing temperature. Absorption or desorption of oxygen in the annealing process caused the observed yellow or green emission. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：2418 / 2425
页数：8
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