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Simultaneous Synthesis of Single-walled Carbon Nanotubes and Graphene in a Magnetically-enhanced Arc Plasma
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Carbon nanotubes as field emitter.

Rujia Zou1, Junqing Hu, Yuelin Song

  • 1State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China.

Journal of Nanoscience and Nanotechnology
|December 3, 2010
PubMed
Summary

Carbon nanotubes (CNTs) offer superior electron field emission due to their unique properties. This review details their emission characteristics and potential for advanced field emission displays (FEDs).

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Physics

Background:

  • Carbon nanotubes (CNTs) are recognized for exceptional electron field emission capabilities.
  • Their properties include high electrical conductivity, high aspect ratio, and thermal stability.

Purpose of the Study:

  • To review the estimation and influencing factors of CNTs' field emission properties.
  • To discuss macroscopic CNT cathodes and their fabrication.
  • To analyze challenges and prospects for CNT-based cold cathodes in field emission displays (FEDs).

Main Methods:

  • Review of existing literature on carbon nanotube field emitters.
  • Analysis of emission properties of CNT cathodes, particularly those fabricated via transplant methods.
  • Discussion of factors affecting field emission performance.

Main Results:

  • CNTs demonstrate outstanding field emission due to their inherent material and structural characteristics.
  • Macroscopic CNT cathodes fabricated by transplant methods show significant promise.
  • Understanding of CNT field emitter mechanisms has advanced.

Conclusions:

  • CNTs are a leading material for electron field emitters.
  • CNT-based cold cathodes are poised to become a key component in future display technologies like FEDs.