Charge transport effects in field emission from carbon nanotube-polymer composites

被引：62
|
作者：
Smith, RC [1 ]
Carey, JD
Murphy, RJ
Blau, WJ
Coleman, JN
Silva, SRP
机构：
[1] Univ Surrey, Adv Technol Inst, Guildford GU2 7XH, Surrey, England
[2] Univ Dublin Trinity Coll, Sch Phys, Dublin 2, Ireland
来源：
APPLIED PHYSICS LETTERS | 2005年 / 87卷 / 26期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1063/1.2158023
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Electron field emission measurements have been made on multiwall arc discharge carbon nanotubes embedded in a conjugated polymer host. Electron emission at low nanotube content is observed and attributed to an enhancement of the applied electric field at the polymer/nanotube/vacuum interface where the electron supply through the film is attributed to fluctuation induced tunneling in a disordered percolation network. A high network resistance is attributed to a polymer coating surrounding each nanotube, resulting in high resistance nanotube-polymer-nanotube tunnel junctions. The potential use of carbon nanotube-polymer composites for field emission based displays is also discussed. (c) 2005 American Institute of Physics.
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页码：1 / 3
页数：3
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