Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Improvement of Field Emission Characteristics of Carbon Nanotubes by Oxidative Electrical Trimming

  • Jeon, Ji-Hyeon (Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University) ;
  • Lee, Han-Sung (Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University) ;
  • Kim, Jin-Hee (Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University) ;
  • Kim, Young-Rea (Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University) ;
  • Jeon, Hong-Jun (Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University) ;
  • Goak, Jung-Chun (Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University) ;
  • Lee, Nae-Sung (Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University)
  • Published : 2007.11.01
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Abstract

탄소나노튜브의 전계방출 특성은 그 길이에 많은 영향을 받으며 길이가 균질 할수록 전계방출에 참여하는 탄소나노튜브의 수가 증가하여 전자방출의 균일도가 향상되고 수명도 증가할 것으로 기대되고 있다. 이 논문에서는 탄소나노튜브의 길이를 인위적으로 제어하여 균질하게 하기 위해 오존을 이용하여 길이가 긴 탄소나노튜브만 선택적으로 제거하는 방법을 사용하였다. 오존에 의해 처리한 시편은 전에 비해 높은 균일도를 나타내고 수명도 약 4배가량 크게 향상되었다.

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