Enhanced field emission from vertically aligned carbon nanotubes on metal mesh electrode

被引：11
|
作者：
Li, Chi [1 ]
Ding, Shuyi [1 ]
Lei, Wei [1 ]
Zhang, Xiaobing [1 ]
Wang, Baoping [1 ]
机构：
[1] Southeast Univ, Sch Elect Sci & Engn, Display Reseach Ctr, Nanjing 210096, Jiangsu, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2013年 / 285卷
基金：
中国博士后科学基金;
关键词：
Carbon nanotubes; Micro structure; Field emission; Metal mesh; Large current density; ARRAYS;
D O I：
10.1016/j.apsusc.2013.08.084
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：
A vertically aligned carbon nanotube (CNT) mesh emitter array on metal mesh electrode has been fabricated with a low temperature growth process, from which a current density of up to 5 A/cm(2), and a threshold field of 0.9 Vnarn for a current density 1 mA/cm(2) were obtained, which show much better performance than CNT mesh on a flat electrode. This result was attributed to the enhanced edge effect of CNT mesh on metal mesh electrode. The numerical calculation results proved that the electric field on top of CNT emitter on mesh electrode was enhanced compared to that on flat electrode. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：505 / 508
页数：4
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