Synthesis and optical properties of MgO-doped ZnO microtubes using microwave heating

被引：14
|
作者：
Al-Naser, Qusay A. H. [1 ]
Zhou, Jian [1 ]
Wang, Han [1 ]
Liu, Guizhen [1 ]
Wang, Lin [2 ]
机构：
[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
[2] Wuhan Univ Technol, Key Lab Fiber Opt Sensing Technol & Informat Proc, Minist Educ, Wuhan 430070, Peoples R China
来源：
OPTICAL MATERIALS | 2015年 / 46卷
基金：
美国国家科学基金会;
关键词：
ZnO; Microwave; Microtube; MgO; Photoluminescence; ZINC-OXIDE; FIELD-EMISSION; ROOM-TEMPERATURE; GROWTH; MGXZN1-XO; FILMS; NANOSTRUCTURES; NANORODS; PHOTOLUMINESCENCE; NANOPARTICLES;
D O I：
10.1016/j.optmat.2015.03.046
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Zn1-xMgxO (x = 0%, 2% and 5%) microtubes have been successfully synthesized via a microwave heating method. The as synthesized microtubes were carefully investigated. Field emission scanning electron microscope (FE-SEM) showed that all the microtubes exhibit an exact hexagonal hollow structure with smooth surfaces and straight characteristics throughout their whole lengths. UV-Vis measurement indicates, that the absorption peak for ZnO microtube was shifted from 378.88 nm (3.27 eV) to 369.91 nm (3.35 eV) for Zn0.95Mg0.5O microtube. Room temperature photoluminescence (PL) spectra showed that the intensity of UV emission peak decreased with increase of MgO concentration and the visible emission band showed a blue shift from 538.06812 nm for ZnO microtube to 529.54114 nm for Zn0.95Mg0.05O microtube. Energy-dispersive spectrometer (EDS) analysis revealed the presence of Zn and O as the only elementary components with the absence of MgO as a doping material. C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：22 / 27
页数：6
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