Field emission properties of macroscopic single-walled carbon nanotube strands

被引：36

作者：

Liu, C ^{[1
]}

Tong, Y

Cheng, HM

Golberg, D

Bando, Y

机构：

[1] Chinese Acad Sci, Met Res Inst, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

[2] Natl Inst Mat Sci, Int Ctr Young Sci, Tsukuba, Ibaraki 3050044, Japan

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 22期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.1944229

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Centimeter-long strands of well-aligned single-walled carbon nanotubes (SWNT) synthesized by a hydrogen-argon arc discharge method were employed for the investigation of their field emission properties. These macroscopically long aligned SWNT strands showed advantages of low turn on electric field, high current density, good emission stability, and easy manipulation over the disoriented SWNT samples. The field enhancement factor of the strand is basically linearly proportional to its macro aspect ratio when the microstructure of the emission tip is kept unchanged. The present SWNT strands can be valuable candidates for the applications as electron-emitting sources in various electronic devices. (c) 2005 American Institute of Physics.

引用

页码：1 / 3

页数：3

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