Synthesis and properties of Cd-doped ZnO nanotubes

被引：46
|
作者：
Wang, Fazhan [1 ]
Liu, Bo [2 ]
Zha, Zhijun [2 ]
Yuan, Sicong [1 ]
机构：
[1] Xian Univ Architecture & Technol, Sch Mech & Elect Engn, Xian 710055, Peoples R China
[2] Xian Univ Architecture & Technol, Sch Mat Sci & Engn, Xian 710055, Peoples R China
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2009年 / 41卷 / 05期
关键词：
Nanotubes; ZnO; Semiconductor materials; OPTICAL-PROPERTIES; ULTRAVIOLET; NANOWIRES; NANORODS; GROWTH;
D O I：
10.1016/j.physe.2008.12.026
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Cd-doped ZnO nanotubes with a Cd incorporation of about 3.3 at% were produced onto Au-catalyzed Si substrate through a process of first evaporating mixture of pure Zn and Cd powders and following oxidation under a wet condition. The most nanotubes have outer diameters of similar to 150 nm, lengths of up to several micrometers, and wall thickness range similar to 20 nm. The photoluminescence (PL) spectrum of the Cd-doped ZnO nanotubes exhibited a narrow weak Ultra-violet (UV) near-band-edge (NBE) emission at 388 nm and a broad strong green emission at around 497 nm. The UV NBE emission of the Cd-doped ZnO nanotubes showed a slight red shift due to Cd substitution. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：879 / 882
页数：4
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