Preparation of Mg-doped ZnO nanoparticles by mechanical milling and their optical properties

被引：46
|
作者：
Suwanboon, S. [1 ]
Amornpitoksuk, P. [2 ,3 ]
机构：
[1] Prince Songkla Univ, Dept Mat Sci & Technol, Fac Sci, Hat Yai 90112, Thailand
[2] Prince Songkla Univ, Dept Chem, Fac Sci, Hat Yai 90112, Thailand
[3] Prince Songkla Univ, Ctr Innovat Chem, Fac Sci, Hat Yai 90112, Thailand
来源：
ISEEC | 2012年 / 32卷
关键词：
Mg-doped ZnO; nanoparticles; mechanical milling; X-ray method; optical properties; POWDERS;
D O I：
10.1016/j.proeng.2012.02.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mg-doped ZnO nanoparticles were synthesized by planetary ball milling at a speed of 400 rpm and milled for 20 h. The samples were characterized by XRD, SEM and UV-Vis spectrophotometer. The crystallite size of the samples increased and the lattice strain decreased with an increase of MgO loading. The increase in crystallite size of the samples as a function of MgO loading can be explained by the effect of Ostwald ripening. The absorption edge of the samples shifted to a lower wavelength when MgO loading was increased. The energy band gap of the samples varied in a range of 2.96-3.13 eV depending on the loading content. (C) 2012 Published by Elsevier Ltd.
引用
收藏
页码：821 / 826
页数：6
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