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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Effect of Gas Ratio of Acetylene to Hydrogen on the Synthesis of Thin Multiwalled CNTs by Thermal CVD

  • Jeon, Hong-Jun (Faculty of Nanotechnology and Advanced Materials Engineering Sejong University) ;
  • Kim, Young-Rae (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

This study investigated the effect of $H_2$ upon the growth of CNTs by changing the ratios of $H_2$ to Ar during the growth using $C_2H_2$. With higher contents of $H_2$ in Ar, CNTs became longer and thinner, resulting in their higher aspect ratios.

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