Field emission from graphene based composite thin films

被引：248

作者：

Eda, Goki ^{[1
]}

Unalan, H. Emrah ^{[2
]}

Rupesinghe, Nalin ^{[2
]}

Amaratunga, Gehan A. J. ^{[2
]}

Chhowalla, Manish ^{[1
]}

机构：

[1] Rutgers State Univ, Dept Mat Sci & Engn, Piscataway, NJ 08854 USA

[2] Univ Cambridge, Dept Engn, Elect Engn Div, Cambridge CB3 0FA, England

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 23期

基金：

美国国家科学基金会;

关键词：

carbon; field emission; nanocomposites; nanostructured materials; polymer films;

D O I：

10.1063/1.3028339

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Field emission from graphene is challenging because the existing deposition methods lead to sheets that lay flat on the substrate surface, which limits the field enhancement. Here we describe a simple and general solution based method for the deposition of field emitting graphene/polymer composite thin films. The graphene sheets are oriented at some angles with respect to the substrate surface leading to field emission at low threshold fields (similar to 4 V mu m(-1)). Our method provides a route for the deposition of graphene based thin film field emitter on different substrates, opening up avenues for a variety of applications.

引用

页数：3

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