Tunable photoluminescence properties of well-aligned ZnO nanorod array by oxygen plasma post-treatment

被引：37
|
作者：
Jiang, Shan [1 ]
Ren, Zhaohui [1 ]
Gong, Siyu [1 ]
Yin, Simin [1 ]
Yu, Yifeng [1 ]
Li, Xiang [1 ]
Xu, Gang [1 ]
Shen, Ge [1 ]
Han, Gaorong [1 ]
机构：
[1] Zhejiang Univ, Cyrus Tang Ctr Sensor Mat & Applicat, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2014年 / 289卷
基金：
美国国家科学基金会;
关键词：
Oxygen plasma; Photoluminescence; Hydrothermal crystal growth; Zinc oxide; CRYSTAL; GROWTH; VACANCIES; ROUTE; LAYER;
D O I：
10.1016/j.apsusc.2013.10.146
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Well-aligned ZnO nanorod arrays were prepared on Si substrates modified with ZnO seeds using a low temperature hydrothermal method. In particular, photoluminescence (PL) properties of the ZnO nanorods can be easily tuned by varying the treatment duration of O-2 plasma. Penetration depth of oxygen ions near the surface is suggested to influence the effect of O-2 plasma on modification of PL properties for ZnO nanorods with different sizes. O-2 plasma-tuned optical quality for ZnO nanorods has been attributed to the change of depletion region width. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：252 / 256
页数：5
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