CVD synthesis of spiral carbon nanotubes over asymmetric catalytic particles

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Abstract

The influence of asymmetric catalytic particles prepared by various methods was investigated on the growth of spiral carbon nanotubes using the CVD method. Asymmetric particles were prepared by either milling or crystallization from oversaturated solution onto the surface of catalyst support or catalyst impregnation at pH 8-9. As-prepared catalysts were tested in the decomposition of acetylene. Carbon deposit, thus carbon nanotubes and spirals were observed by transmission electron microscopy the activity was characterized by carbon yield.

Original languageEnglish
Pages (from-to)397-404
Number of pages8
JournalReaction Kinetics and Catalysis Letters
Volume96
Issue number2
DOIs
Publication statusPublished - Apr 1 2009

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Keywords

  • CVD
  • Coiled carbon nanotubes
  • TEM

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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