Growth and patterning of aligned carbon nanotubes for applications to cold cathodes and vacuum electronics

Research output: Contribution to journalConference article

Abstract

The extremely large aspect ratio and sharp tips of carbon nanotubes made them among the most promising nanostructures for low-voltage and low-field cold cathode applications. The physically and chemically stable, highly thermally and electrically conductive carbon nanotubes allow very high density of electron current to be emitted without damages to the carbon nanotubes. By properly designing and growing carbon nanotubes and integrating them with 2-D and/or 3-D structures, high performance cold cathodes can be fabricated and applied to various vacuum electronics and vacuum power transferring applications. Well aligned carbon nanotubes have been grown using thermal chemical vapour deposition techniques and patterned into micro-structures by means of photolithographic techniques that are commonly used for silicon integrated circuit fabrication. Electron field emission at an average applied electric field of one volt per micrometer has been achieved. High current density cold cathodes fabricated on micro-patterned substrates as well as 3-D structures were investigated. In this presentation, the growth process, properties of carbon nanotubes, and their applications as cold cathodes for vacuum electronics will be discussed.

Original languageEnglish
Article number7D5
Number of pages1
JournalIEEE International Conference on Plasma Science
Publication statusPublished - 2004 Dec 1
EventIEEE Conference Record - Abstracts: The 31st IEEE International Conference on Plasma Science, ICOPS2004 - Baltimore, MD, United States
Duration: 2004 Jun 282004 Jul 1

Fingerprint

cold cathodes
Carbon nanotubes
Cathodes
Electronic equipment
carbon nanotubes
Vacuum
vacuum
electronics
Electrons
Field emission
low voltage
electron emission
integrated circuits
Integrated circuits
high current
aspect ratio
micrometers
Aspect ratio
field emission
Chemical vapor deposition

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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abstract = "The extremely large aspect ratio and sharp tips of carbon nanotubes made them among the most promising nanostructures for low-voltage and low-field cold cathode applications. The physically and chemically stable, highly thermally and electrically conductive carbon nanotubes allow very high density of electron current to be emitted without damages to the carbon nanotubes. By properly designing and growing carbon nanotubes and integrating them with 2-D and/or 3-D structures, high performance cold cathodes can be fabricated and applied to various vacuum electronics and vacuum power transferring applications. Well aligned carbon nanotubes have been grown using thermal chemical vapour deposition techniques and patterned into micro-structures by means of photolithographic techniques that are commonly used for silicon integrated circuit fabrication. Electron field emission at an average applied electric field of one volt per micrometer has been achieved. High current density cold cathodes fabricated on micro-patterned substrates as well as 3-D structures were investigated. In this presentation, the growth process, properties of carbon nanotubes, and their applications as cold cathodes for vacuum electronics will be discussed.",
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N2 - The extremely large aspect ratio and sharp tips of carbon nanotubes made them among the most promising nanostructures for low-voltage and low-field cold cathode applications. The physically and chemically stable, highly thermally and electrically conductive carbon nanotubes allow very high density of electron current to be emitted without damages to the carbon nanotubes. By properly designing and growing carbon nanotubes and integrating them with 2-D and/or 3-D structures, high performance cold cathodes can be fabricated and applied to various vacuum electronics and vacuum power transferring applications. Well aligned carbon nanotubes have been grown using thermal chemical vapour deposition techniques and patterned into micro-structures by means of photolithographic techniques that are commonly used for silicon integrated circuit fabrication. Electron field emission at an average applied electric field of one volt per micrometer has been achieved. High current density cold cathodes fabricated on micro-patterned substrates as well as 3-D structures were investigated. In this presentation, the growth process, properties of carbon nanotubes, and their applications as cold cathodes for vacuum electronics will be discussed.

AB - The extremely large aspect ratio and sharp tips of carbon nanotubes made them among the most promising nanostructures for low-voltage and low-field cold cathode applications. The physically and chemically stable, highly thermally and electrically conductive carbon nanotubes allow very high density of electron current to be emitted without damages to the carbon nanotubes. By properly designing and growing carbon nanotubes and integrating them with 2-D and/or 3-D structures, high performance cold cathodes can be fabricated and applied to various vacuum electronics and vacuum power transferring applications. Well aligned carbon nanotubes have been grown using thermal chemical vapour deposition techniques and patterned into micro-structures by means of photolithographic techniques that are commonly used for silicon integrated circuit fabrication. Electron field emission at an average applied electric field of one volt per micrometer has been achieved. High current density cold cathodes fabricated on micro-patterned substrates as well as 3-D structures were investigated. In this presentation, the growth process, properties of carbon nanotubes, and their applications as cold cathodes for vacuum electronics will be discussed.

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