Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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Effects of the Distribution of Nickel-Nitrate and the Substrate Temperature on the Synthesis of Multi-Walled Carbon Nanotubes

기판 상에 합성한 탄소나노튜브의 성장에 미치는 촉매금속 입자의 분포와 기판온도의 영향

  • 이교우 (한국과학기술원(KIST) 지구환경연구센터) ;
  • 정종수 (한국과학기술원(KIST) 대기자원연구센터) ;
  • 황정호 (연세대학교 기계공학과)
  • Published : 2004.02.01
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Abstract

Synthesis of multi-walled carbon nanotubes on a nickel-nitrate-deposited substrate using an ethylene fueled inverse diffusion flame was illustrated. The deposition of nickel-nitrate particles on substrates was used for the smaller-diameter nanotubes than those formed in our previous studies. Also the effect of temperature variations on the size of formed nanotubes was investigated. The diameters of formed multi-walled carbon nanotubes were ranging from 15 to 100 nm in the several radial locations. In case of using a nickel-nitrate-deposited substrate, the smaller-diameter carbon nanotubes were synthesized than those in case of using the substrate with melted nickel-nitrate. In the formation region of carbon nanotubes, the diameter of formed nanotubes was tend to be decrease as the radial distance form the flame center was increased, that is the decreased substrate temperature.

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References

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