Effect of particle size on the UV absorbance of zinc oxide nanoparticles

被引：194
|
作者：
Goh, E. G. [1 ]
Xu, X. [1 ]
McCormick, P. G. [1 ]
机构：
[1] Univ Western Australia, Sch Mech & Chem Engn, Nedlands, WA 6009, Australia
来源：
SCRIPTA MATERIALIA | 2014年 / 78-79卷
关键词：
Nanostructured materials; Zinc oxide; Modeling; Simulation; UV absorbance; ZNO QUANTUM DOTS;
D O I：
10.1016/j.scriptamat.2014.01.033
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of particle size on the UV absorption of zinc oxide nanoparticles has been investigated in the size range above the quantum limit. The results show that the absorbance increases with increasing size for particle sizes of 15-40 nm. The results are evaluated in terms of intrinsic particle absorption and the number concentration of particles. It is shown that the particles become opaque for particle sizes greater than 70 nm. For larger sizes the absorbance decreases with increasing size due to the decrease in particle concentration. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：49 / 52
页数：4
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