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Korean Carbon Society (한국탄소학회)
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Excellent field emission properties from carbon nanotube field emitters fabricated using a filtration-taping method

  • Shin, Dong Hoon (School of Electrical Engineering, Korea University) ;
  • Jung, Seung (School of Electrical Engineering, Korea University) ;
  • Yun, Ki Nam (School of Electrical Engineering, Korea University) ;
  • Chen, Guohai (National Institute of Advanced Industrial Science and Technology) ;
  • Jeon, Seok-Gy (Advanced Medical Device Research Center, Korea Electrotechnology Research Institute) ;
  • Kim, Jung-Il (Advanced Medical Device Research Center, Korea Electrotechnology Research Institute) ;
  • Lee, Cheol Jin (School of Electrical Engineering, Korea University)
  • Received : 2014.06.23
  • Accepted : 2014.07.12
  • Published : 2014.07.31
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Abstract

A filtration-taping method was demonstrated to fabricate carbon nanotube (CNT) emitters. This method shows many good features, including high mechanical adhesion, good electrical contact, low temperature, organic-free, low cost, large size, and suitability for various CNT materials and substrates. These good features promise an advanced field emission performance with a turn-on field of $0.88V/{\mu}m$ at a current density of $0.1{\mu}A/cm^2$, a threshold field of $1.98V/{\mu}m$ at a current density of $1mA/cm^2$, and a good stability of over 20 h. The filtration-taping technique is an effective way to realize low-cost, large-size, and high-performance CNT emitters.

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References

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