Formation of quasi-aligned ZnCdO nanorods and nanoneedles

被引：43

作者：

Wang, FZ ^{[1
]}

Ye, ZZ ^{[1
]}

Ma, DW ^{[1
]}

Zhu, LP ^{[1
]}

Zhuge, F ^{[1
]}

机构：

[1] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF CRYSTAL GROWTH | 2005年 / 283卷 / 3-4期

基金：

中国国家自然科学基金;

关键词：

crystal growth; nanostructure; semiconductor materials; ZnO;

D O I：

10.1016/j.jcrysgro.2005.05.063

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Two kinds of quasi-aligned ZnCdO nanostructures, i.e., ZnCdO nanorods and ZnCdO nanoneedles, were synthesized simultaneously by evaporating Zn and Cd powders using An as a catalyst. The synthesized ZnCdO nanorods have uniform hexagonal crystallographic planes, and their diameters are about 150 nm. The Cd content of quasi-aligned ZnCdO nanorods was as high as (about) 16.7 at%. Notably, the ultra-violet (UV) near-band-edge (NBE) emission was red-shifted from 386 nm (3.21 eV) to 408 nm (3.04 eV) due to the direct modulation of band gap caused by Zn/Cd substitution. Temperature is deemed as a critical experimental parameter for the formation of different morphologies of ZnCdO nanostructures. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：373 / 377

页数：5

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