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The study on field emission properties of different carbon nanotubes deposited by electrophoresis

  • F. Y. Pang
  • , M. L. Cao
  • , M. C. Zhang
  • , Z. J. Cheng
  • , L. F. Lin
  • , L. L. Wang
  • , Y. Gao
  • , J. Yang
  • , P. G. He
  • , L. K. Pan
  • , Z. Sun

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Two different carbon nanotubes (CNTs) were synthesized by thermal chemical vapor deposition (CVD) system through two different apparatuses. Uniform deposition of CNTs on glass substrate was observed through optimizing parameters in the process of electrophoresis by scanning electron microscopy (SEM). The field emission properties were tested in the diode-type construction with the cathode-anode gap of 170μm. The result showed CNTs synthesized by pyrolysis of iron(II) phthalocyanine (FeC32N8H16) showed much better field emission properties such as lower turn-on field (defined at a current of 10 μ A/ cm2) of 2.35V/μm. On the other hand, even the field reached 5.29V/ μ m, only 8.7 μ A/cm2 emission current density was obtained from the CNTs fabricated using acetylene (C 2H2) as the carbon source. These differences result from the structure of CNTs such as radius and length.

源语言英语
主期刊名2008 2nd IEEE International Nanoelectronics Conference, INEC 2008
228-231
页数4
DOI
出版状态已出版 - 2008
已对外发布
活动2008 2nd IEEE International Nanoelectronics Conference, INEC 2008 - Shanghai, 中国
期限: 24 3月 200827 3月 2008

出版系列

姓名2008 2nd IEEE International Nanoelectronics Conference, INEC 2008

会议

会议2008 2nd IEEE International Nanoelectronics Conference, INEC 2008
国家/地区中国
Shanghai
时期24/03/0827/03/08

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