Violet luminescence from ZnO nanorods grown by room temperature pulsed laser deposition

被引：32
|
作者：
Ajimsha, R. S. [1 ]
Manoj, R. [1 ]
Aneesh, P. M. [1 ]
Jayaraj, M. K. [1 ]
机构：
[1] Cochin Univ Sci & Technol, Dept Phys, Optoelect Devices Lab, Cochin 682022, Kerala, India
来源：
CURRENT APPLIED PHYSICS | 2010年 / 10卷 / 02期
关键词：
ZnO; PLD; Photoluminescence; XRD; ZINC-OXIDE FILMS; THIN-FILMS; SPRAY-PYROLYSIS; PHOTOLUMINESCENCE; NANOWIRES; SAPPHIRE;
D O I：
10.1016/j.cap.2009.09.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZnO thin films were deposited at room temperature by pulsed laser deposition (PLD) varying the oxygen pressure. Morphological analysis using scanning electron microscope (SEM) and atomic force microscopy (AFM) demonstrated the formation of ZnO nanorods at a particular oxygen pressure. Room temperature violet luminescence was observed from these ZnO nanorods and temperature dependence of luminescence was Studied. Influence of oxygen pressure on the growth of ZnO thin films by PLD was studied using the X-ray photoelectron spectroscopy of both post ablated targets and deposited films. The ZnO films were crystalline and the formation of crystalline phase is found to follow a pressure-temperature (P-T) scaling with increase of temperature. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：693 / 697
页数：5
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