Catalytic synthesized carbon nanostructures from methane using nanocrystalline Ni

Zongquan Li, Jiuling Chen, Xixiang Zhang*, Yongdan Li, Kwok Kwong Fung

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

Carbon nanostructures synthesized with nanocrystalline Ni catalyst from decomposition of methane are investigated by means of transmission electron microscopy (TEM). Two kinds of carbon nanostructures, carbon fibers and bamboo-shaped carbon nanotubes, are observed. The preferential growth direction of graphene sheets depends on the reaction conditions. The bamboo-shaped carbon nanotubes can be obtained only if the reaction temperature is higher than 1000 K, and carbon fibers can be obtained at lower temperatures. The role and state of the catalyst particles are also discussed.

Original languageEnglish (US)
Pages (from-to)409-415
Number of pages7
JournalCarbon
Volume40
Issue number3
DOIs
StatePublished - Mar 1 2002

Keywords

  • A. Carbon nanotubes
  • B. Catalyst
  • C. Transmission electron microscopy (TEM)
  • D. Catalytic properties

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)

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