Improved field emission and photocatalysis properties of cacti-like zinc oxide nanostructures

被引：19
|
作者：
Pawar, Rajendra C. [1 ]
Kim, Hyung-sub [1 ]
Lee, Caroline S. [1 ]
机构：
[1] Hanyang Univ, Dept Mat Engn, Ansan 426791, Gyeonggi Do, South Korea
来源：
SCRIPTA MATERIALIA | 2013年 / 68卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
Cacti; Zinc oxide; Field emission; Photocatalysis; Chemical method; ZNO NANOSTRUCTURES; ELECTRON-EMISSION; GROWTH;
D O I：
10.1016/j.scriptamat.2012.10.003
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
ZnO nanostructures comprising highly c-axis oriented cacti-like nanostructures were synthesized via a simple chemical route. Branches emanated from primary microneedles that are tapered in shape with a tip diameter of similar to 3 nm, and resulted in improved field emission and photocatalysis properties, with a turn-on field of 2.13 V cm(-1) and a kinetic rate constant of 0.048 min(-1). These values were found to be improved compared to those for the reported branching nanostructures. Therefore, these nanostructures are promising for display and photocatalysis devices. Crown Copyright (C) 2012 Published by Elsevier Ltd. on behalf of Acta Materialia Inc. All rights reserved.
引用
收藏
页码：142 / 145
页数：4
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