Effects of annealing temperature on morphologies and optical properties of ZnO nanostructures

被引：34
|
作者：
Yang, Jinghai [1 ,2 ]
Gao, Ming [1 ]
Zhang, Yongjun [1 ]
Yang, Lili [1 ]
Lang, Jihui [1 ]
Wang, Dandan [2 ]
Liu, Huilian [1 ,2 ]
Liu, Yanqing [1 ]
Wang, Yaxin [1 ]
Fan, Hougang [1 ]
机构：
[1] Jilin Normal Univ, Inst Condensed State Phys, Siping 136000, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Key Lab Excited State Proc, Changchun 130033, Peoples R China
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2008年 / 44卷 / 02期
基金：
中国国家自然科学基金;
关键词：
ZnO nanostructures; sol-gel method; optical properties;
D O I：
10.1016/j.spmi.2008.04.006
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The effects of annealing temperature on the morphologies and optical properties of ZnO nanostructures synthesized by sol-gel method were investigated in detail. The SEM results showed that uniform ZnO nanorods formed at 900 degrees C. The PL results showed an ultraviolet emission peak and a relatively broad visible light emission peak for all ZnO nanostructures sintered at different temperature, The increase of the crystal size and decrease of tensile stress resulted in the UV emission peak shifted from 386 to 389 nm when annealing temperature rose from 850 to 1000 degrees C. The growth mechanism of the ZnO nanorods is discussed. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：137 / 142
页数：6
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