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Field emission of carbon nanotube films fabricated by vacuum filtration

  • Min Qian
  • , Tao Feng*
  • , Kai Wang
  • , Hui Ding
  • , Yiwei Chen
  • , Qiong Li
  • , Zhuo Sun
  • *此作品的通讯作者
  • East China Normal University

科研成果: 期刊稿件文章同行评审

摘要

Electron field emission properties of carbon nanotube (CNT) films fabricated by vacuum filtration were studied. CNT films of different filtration volumes (from 10 to 200 ml) were transferred to conductive substrates, and we studied their electron field emission performance. When the filtration volume was less than 50 ml, the CNT film appeared transparent. The optimum result (75 ml sample) was achieved with a low turn-on field of 0.93 V/μm (at 1 μA/cm2) and a high field enhancement factor β of ∼9720, and showed stable emission after aging for 10 h. The CNT film transfer process was explained by interfacial energy properties.

源语言英语
页(从-至)462-465
页数4
期刊Physica E: Low-Dimensional Systems and Nanostructures
43
1
DOI
出版状态已出版 - 11月 2010

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