Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Study of Surface Treatments on Field Emission Properties for Triode-Type Carbon Nanotube Cathodes

3극형 탄소나노튜브 캐소드의 전계방출 특성에 미치는 표면처리에 관한 연구

  • Lee, Ji-Eon (School of Materials Science and Engineering, Pusan National University) ;
  • An, Young-Je (School of Materials Science and Engineering, Pusan National University) ;
  • Lee, Je-Hyun (Defense Agency for Technology and Quality) ;
  • Chung, Won-Sub (School of Materials Science and Engineering, Pusan National University) ;
  • Cho, Young-Rae (School of Materials Science and Engineering, Pusan National University)
  • Published : 2007.03.27
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Abstract

Carbon nanotube cathodes(CNT cathodes) with a trench structure similar to gated structure of triode-type cathode were fabricated by a screen printing method using multi-walled carbon nanotubes. The effects of surface treatments on CNT cathodes were investigated for high efficiency field emission displays(FEDs). A liquid method easily removed the organic residue and protruded the CNTs. Field emission properties were measured by using a diode-type mode. The liquid method produced a turn-on field of $1.4V/{\mu}m$. The emission current density was measured about $3.1mA/cm^{2}$ at the electric field of $3V/{\mu}m$. The liquid method showed a high potential applicable to the surface treatment for triode-type FEDs.

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References

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