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Preparation of double-walled carbon nanotubes

  • Bin Jiang*
  • , Jinquan Wei
  • , Lijie Ci
  • , Dehai Wu
  • *Corresponding author for this work
  • Tsinghua University
  • CAS - Institute of Physics

Research output: Contribution to journalArticlepeer-review

Abstract

Double-walled carbon nanotubes were prepared using the floating chemical vapor deposition with methane as carbon source and adding small amount of sulfur into the ferrocene catalyst. The optimized technological parameters are: the reaction temperature is 1200°C; the catalyst vapor temperature is 80°C; the flow rate of argon is 2000 SCCM; the flow rate of methane is 5 SCCM. The purified DWNTs under these optimized technological parameters have high purity above 90 wt%.

Original languageEnglish
Pages (from-to)107-110
Number of pages4
JournalChinese Science Bulletin
Volume49
Issue number1
DOIs
StatePublished - 2004
Externally publishedYes

Keywords

  • Carbon nanotube
  • Double-walled carbon nanotube
  • Floating chemical vapor deposition

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