Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Effect of Photosensitive Carbon Nanotube Paste on Field Emission Properties

감광성 탄소나노튜브 페이스트의 조성과 열처리가 전계방출 특성에 미치는 영향

  • Oh, Jeong-Seob (Division of Materials Science and Engineering, Pusan National University) ;
  • Kim, Dae-Jun (IT Convergence & Components Laboratory, Electronic and Telecommunications Research Institute) ;
  • Jeong, Jin-Woo (IT Convergence & Components Laboratory, Electronic and Telecommunications Research Institute) ;
  • Song, Yoon-Ho (IT Convergence & Components Laboratory, Electronic and Telecommunications Research Institute) ;
  • Cho, Young-Rae (Division of Materials Science and Engineering, Pusan National University)
  • 오정섭 (부산대학교 재료공학부) ;
  • 김대준 (한국전자통신연구원 IT융합.부품연구소) ;
  • 정진우 (한국전자통신연구원 IT융합.부품연구소) ;
  • 송윤호 (한국전자통신연구원 IT융합.부품연구소) ;
  • 조영래 (부산대학교 재료공학부)
  • Published : 2006.09.27
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Abstract

Photosensitive carbon nanotube (CNT) pastes are explored to develop a CNT field emitter for field emission display (FED) application. We formulated a photosensitive paste including multi-walled CNTs (MWNTs) for screen printing. The photosensitive CNT paste was synthesized by mixing of MWNTs, inorganic fillers (nano metal), organic vehicle, monomers and photo initiator. The CNT paste films were patterned by using backside exposure technique. The CNTs were strongly fixed on a cathode by formation of carbon residue during firing process. For the CNT emitters, current-voltage(I-V) characteristics and images of field emission were evaluated. The emission properties of CNT emitters are dependent on the paste composition. A turn-on electric field for the CNT field emitters is measured to be 1 V/$\mu$m. Additionally, the effect of heat treatment parameter on field emission properties was discussed. The newly formulated photosensitive CNT paste can be potentially applicable to highly reliable CNT field emitters.

Keywords

References

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