Large-scale synthesis of high-quality double-walled carbon nanotubes by catalytic decomposition of n-hexane

Seung Chul Lyu, Bao Chun Liu, Su Hwan Lee, Chong Yun Park, Hee Kwang Kang, Cheol Woong Yang, Cheol Jin Lee

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Abstract

Large quantities of high-quality double-walled carbon nanotubes (DWNTs) with very small amounts of amorphous carbon deposits have been produced by catalytic decomposition of n-hexane over Fe - Mo/MgO catalyst. More than 90% of the as-synthesized carbon nanotubes was DWNTs. Raman analysis indicated that the outer tube diameter and inner tube diameter of DWNTs were in the range of 1.44 - 2.53 nm and 0.70 - 1.82 nm, respectively, and the interlayer spacing ranged from 0.35 to 0.42 nm. Both Raman analysis and HRTEM observation indicated that the as-synthesized DWNTs were of high quality.

Original languageEnglish
Pages (from-to)2192-2194
Number of pages3
JournalJournal of Physical Chemistry B
Volume108
Issue number7
Publication statusPublished - 2004 Feb 19
Externally publishedYes

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Lyu, S. C., Liu, B. C., Lee, S. H., Park, C. Y., Kang, H. K., Yang, C. W., & Lee, C. J. (2004). Large-scale synthesis of high-quality double-walled carbon nanotubes by catalytic decomposition of n-hexane. Journal of Physical Chemistry B, 108(7), 2192-2194.