Journal of Information Display

The Korean Infomation Display Society (한국정보디스플레이학회)
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Carbon Nanotube Growth for Field Emission Display Application

  • Choi, G.S. (Department of Materials Engineering, Chungnam National University) ;
  • Park, J.B. (Department of Materials Engineering, Chungnam National University) ;
  • Hong, S.Y. (Department of Materials Engineering, Chungnam National University) ;
  • Cho, Y.S. (Department of Materials Engineering, Chungnam National University) ;
  • Son, K.H. (Department of Materials Engineering, Chungnam National University) ;
  • Kim, D-J (Department of Materials Engineering, Chungnam National University) ;
  • Song, Y.H. (FED Team, Appl. Semicond. Dev. Dept., Adv. Micro-electronics Res. Lab., ETRI) ;
  • Lee, J.H. (FED Team, Appl. Semicond. Dev. Dept., Adv. Micro-electronics Res. Lab., ETRI) ;
  • Cho, K.I. (FED Team, Appl. Semicond. Dev. Dept., Adv. Micro-electronics Res. Lab., ETRI) ;
  • Kim, D.J. (Department of Materials Engineering, Chungnam National University)
  • Published : 2001.09.30
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Abstract

The role of $NH_3$ for vertical alignment of CNTs was investigated. The direct cause of the alignment was a dense distribution of catalytic metal particles, but which was kept catalytically active during the growth process by $NH_3$. This allows a dense nucleation of the CNTs, and consequently, assists vertical alignment through entanglement and mechanical leaning among the tubes. The CNTs grow in a base growth mode. Several evidences were presented including a direct cross-sectional TEM observation. Since Ni is consumed both by silicide reaction and by capture in the growing tube, the growth stops when Ni is completely depleted. This occurs faster for smaller particles, and thus a longer growth results in thin bottom with poor adhesion.

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