Green luminescence originates from surface defects in ZnO nanoparticles

被引：147
|
作者：
Wang, Z. G. [1 ]
Zu, X. T.
Zhu, S.
Wang, L. M.
机构：
[1] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China
[2] Univ Michigan, Dept Nucl Engn, Ann Arbor, MI 48109 USA
[3] Univ Michigan, Dept Radiol Sci, Ann Arbor, MI 48109 USA
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2006年 / 35卷 / 01期
关键词：
ZnO nanoparticles; photoluminescence; annealing;
D O I：
10.1016/j.physe.2006.07.022
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
ZnO nanoparticles were annealed in high-purity Ar, O-2, and air atmosphere and were investigated by photo luminescence (PL), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). Results show that the ZnO nanoparticles show emissions centered at similar to 490, similar to 515, and similar to 520 nm after annealing in Ar, O-2, and air atmosphere, respectively. The origin of the green emission was discussed. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：199 / 202
页数：4
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