Cathodoluminescence Properties of ZnO Tower-Like Structures Prepared by Thermal Oxidation

被引：0
|
作者：
Xiaot, Zhiyan [1 ]
Okada, Morihro [1 ,2 ]
Ichimiya, Masayoshi [3 ,4 ]
Itoh, Tadashi [3 ,4 ]
Han, Gui [1 ]
Neo, Yoichiro [1 ]
Aoki, Toru [1 ]
Mimura, Hidenori [1 ]
机构：
[1] Shizuoka Univ, Elect Res Inst, Naka Ku, 3-5-1 Jyouhoku, Hamamatsu, Shizuoka 4328011, Japan
[2] Nippon Steel Corp Ltd, Adv Technol Res Lab, Tokyo, Japan
[3] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama, Japan
[4] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan
来源：
E-JOURNAL OF SURFACE SCIENCE AND NANOTECHNOLOGY | 2009年 / 7卷
关键词：
ZnO tower-like structures; Cathodoluminescence; Surface defect; Penetration depth;
D O I：
10.1380/ejssnt.2009.358
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
ZnO tower-like structures with hexagonal cross section were fabricated by a thermal oxidation method. Spatially resolved cathodoluminescence (CL) intensity images were employed to correlate the luminescent properties with the investigated structure. Local CL monochromatic images revealed that the bodies of ZnO tower-like structures were the major source for a strong green emission. The depth-resolved UV and green CL emissions were examined by changing the accelerating voltage. A part of reabsorbed UV emission is converted into green emission and partly contributes the enhancement of green emission.
引用
收藏
页码：358 / 361
页数：4
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