涂布法制备碳纳米管场发射阴极及其性能的研究

冯涛; 柳襄怀; 王曦; 李琼; 徐静芳; 诸玉坤

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涂布法制备碳纳米管场发射阴极及其性能的研究

论文 | 更新时间：2020-08-11

- 涂布法制备碳纳米管场发射阴极及其性能的研究
- Spreading Technique and Performance of Field Emission Cathode Made of Powder Carbon Nanotubes
- 发光学报 2002年23卷第4期页码：406-408
- 作者机构：
  
  1. 华东师范大学电子科学与技术系上海,200062
  2. 中国科学院上海微系统与信息技术研究所离子束开放研究实验室上海,200050
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(59972039)();国家973计划资助项目(G2000067207-2)()
- DOI：
  中图分类号： O462.4
- 收稿日期：2001-10-27，
  
  修回日期：2002-02-28，
  
  纸质出版日期：2002-07-20
- 稿件说明：
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冯涛, 柳襄怀, 王曦, 李琼, 徐静芳, 诸玉坤. 涂布法制备碳纳米管场发射阴极及其性能的研究[J]. 发光学报, 2002,23(4): 406-408

FENG Tao, LI Qiong, LIU Xiang-huai, WANG Xi, XU Jing-fang, ZHU Yu-kun. Spreading Technique and Performance of Field Emission Cathode Made of Powder Carbon Nanotubes[J]. Chinese Journal of Luminescence, 2002,23(4): 406-408
冯涛, 柳襄怀, 王曦, 李琼, 徐静芳, 诸玉坤. 涂布法制备碳纳米管场发射阴极及其性能的研究[J]. 发光学报, 2002,23(4): 406-408 DOI：

FENG Tao, LI Qiong, LIU Xiang-huai, WANG Xi, XU Jing-fang, ZHU Yu-kun. Spreading Technique and Performance of Field Emission Cathode Made of Powder Carbon Nanotubes[J]. Chinese Journal of Luminescence, 2002,23(4): 406-408 DOI：

摘要

碳纳米管(CNT)作为场发射阴极(FEC)具有很好的性能.报导了利用粉末状碳纳米管制作CNT-FEC的方法

包括涂布方法、纯化方法和表面处理方法.主要关心的FEC性能为电子发射均匀性、电流密度和寿命.

Abstract

Carbon naontubes(CNT) have excellent electron emission performance as field emission cathode (FEC). In this paper

the method of fabrication FEC with powder CNT

including of affixing

purifying and surface treating

has been reported. The major performance of the most concern are the uniformity of electron emission

current density and lifetime. The raw materials CNT were ground with little balls in alcohol suspension

then were dropped on metal substrate. After hydrogen plasma surface treatment

electron field emission properties of these CNT cathodes were studied using a diode structure with phosphor-coated ITO transparent anode. The results showed that the threshold field is less than 3V/μm; emission site density was about 10

/cm

; the emission current density was 1mAl/cm

at an electric field of 4.4V/μm and the lifetime was more than 800h.

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