Temperature dependence of field emission of single-walled carbon nanotube thin films

被引：12

作者：

Zhu, Hongwei ^{[1
]}

Masarapu, Charan ^{[2
]}

Wei, Jinquan ^{[1
]}

Wang, Kunlin ^{[1
]}

Wu, Dehai ^{[1
]}

Wei, Bingqing ^{[2
]}

机构：

[1] Tsinghua Univ, Dept Mech Engn, Beijing 100084, Peoples R China

[2] Univ Delaware, Dept Mech Engn, Newark, DE 19716 USA

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2009年 / 41卷 / 07期

基金：

美国国家科学基金会;

关键词：

Carbon nanotubes; SWNTs; Films; Field emission; Temperature dependent; EMITTERS; FABRICATION; STABILITY;

D O I：

10.1016/j.physe.2009.02.010

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Temperature dependence of the field-emission characteristics is investigated for the purified single-walled carbon nanotube (SWNT) thin films. The turn-on field and work function decrease with increasing temperature. It is considered that an increase of the carrier concentration with increasing temperature leads to a reduction in the tunnel barrier width, resulting in an enhancement of the emission current. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1277 / 1280

页数：4

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