Catalyst-free synthesis of novel brush-shaped ZnO particles by a simple oxidation in air

被引：4

作者：

Lee, Geun-Hyoung ^{[1
]}

Song, Jeong-Hwan ^{[2
]}

机构：

[1] Dong Eui Univ, Dept Nano Engn, Pusan 614714, South Korea

[2] Pai Chai Univ, Dept Informat & Elect Mat Engn, Taejon 302735, South Korea

来源：

APPLIED SURFACE SCIENCE | 2010年 / 256卷 / 09期

关键词：

ZnO particles; Brush shape; Direct melt oxidation; Vapor-solid growth; NANOWIRES; GROWTH; NANOSTRUCTURES;

D O I：

10.1016/j.apsusc.2009.11.036

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：

Brush-shaped ZnO particles were synthesized by controlling the growth time in the direct melt oxidation process of Al-Zn mixture in air at atmospheric pressure. Particles with two kinds of structures were formed. One was consisted of nanowires grown along [0001] direction at the six corners and the center of (0001) basal plane on hexagonal ZnO microrod. The other was constructed by nanobelts between the corner-nanowires as well as nanowires at the corners on ZnO microrod. The structural configuration that the nanowires and the nanobelts have a well coherent orientation alignment with the base microrod implies that the brush-shaped ZnO is single crystal. Room temperature PL spectrum of the brush-shaped ZnO particles displayed predominant green emission with a wavelength of 510 nm. (C) 2009 Elsevier B. V. All rights reserved.

引用

页码：2837 / 2840

页数：4

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