Growth and optical properties of tetrapod-like indium-doped ZnO nanorods with a layer-structured surface

被引：21
|
作者：
Cai, Fangping [1 ]
Zhu, Liping [1 ]
He, Haiping [1 ]
Li, Jiesheng [1 ]
Yang, Yefeng [1 ]
Chen, Xiaojun [1 ]
Ye, Zhizhen [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Nanostructure; Crystal structure; Chemical vapor deposition; Photoluminescence; ZINC-OXIDE; HYDROTHERMAL SYNTHESIS; TEMPERATURE; AL; PHOTOLUMINESCENCE; LUMINESCENCE; MECHANISM; ARRAYS; MICROSTRUCTURE; NANOSTRUCTURES;
D O I：
10.1016/j.jallcom.2010.09.016
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：
We report tetrapod-like indium-doped ZnO nanorods with a layer-structured surface, synthesized by a thermal vapor transport method. The high crystalline quality of the nanostructure sample obtained was confirmed by using x-ray diffraction, scanning electron microscopy and transmission electron microscopy. We carried out photoluminescence and photoluminescence excitation measurements to investigate the possible application of this indium-doped ZnO nanostructure in the field of optical devices. The photoluminescence exhibited an ultra strong visible wavelength emission with a peak intensity 300 times stronger than the band edge ultraviolet emission. In addition, a very slow decay of visible wavelength emission was revealed by time-resolved photoluminescence spectroscopy. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：316 / 320
页数：5
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