The influence of Cs adsorption on field electron emission from single-walled carbon nanotube layers

被引：0
|
作者：
Musatov, A. L.
Izrael'yants, K. R.
Krestinin, A. V.
Kislov, M. B.
机构：
[1] Inst Radioengn & Elect, Moscow 125009, Russia
[2] Inst Problems Chem Phys, Chernogolovka, Moscow Region, Russia
来源：
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES | 2006年 / 14卷 / 2-3期
关键词：
single-walled carbon nanotube; field emission; Cs adsorbtion;
D O I：
10.1080/15363830600663628
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：
The influence of Cs adsorption on field emission characteristics of single-walled carbon nanotube (SWNT) layers has been investigated. It has been found that Cs adsorption onto SWNT tips not only decreases the work function of SWNTs with the corresponding increase of the emission current, but also causes the additional increasing of the emission current in tens times without the decrease of the work function. We attribute the second effect to the appearance of local surface states associated with Cs, that increase the transparency of the surface potential barrier.
引用
收藏
页码：187 / 191
页数：5
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