期刊
CARBON
卷 52, 期 -, 页码 356-362出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2012.09.037
关键词
-
资金
- AFOSR [FA9550-06-1-0207, FA9550-09-1-0590]
- AFRL [FA8650-07-2-5061, 07-S568-0042-01-C1]
- Welch Foundation [C-1668]
A novel of self-standing nanotube-based cold cathode is described. The electron emitter is a single macroscopic fibre spun from neat single wall carbon nanotubes and consists of an ensemble of nanotube bundles held together by van der Waals forces. Field emission measurements carried out using two different types of apparatus demonstrated the long working life of the realised cathode. The system is able to emit at very high current densities, up to 13 A/cm(2), and shows very low values of both turn on and threshold field, 0.12 V/mu m and 0.21 V/mu m, respectively. Such easy to handle self-standing electron sources assure good performances and represent an enabling technology for a scalable production of cold cathodes. (C) 2012 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据