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Controllable growth of single wall carbon nanotubes by pyrolizing acetylene on the floating iron catalysts

  • Lijie Ci*
  • , Sishen Xie
  • , Dongsheng Tang
  • , Xiaoqin Yan
  • , Yubao Li
  • , Zuqin Liu
  • , Xiaoping Zou
  • , Weiya Zhou
  • , Gang Wang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Single wall carbon nanotubes (SWNTs) without amorphous carbon coating were prepared by thermally decomposing acetylene (C2H2) at the temperature range 750-1200 °C in a floating iron catalyst system. The C2H2 partial pressure was controlled to make a carbon supply limiting growth of SWNTs. The higher reaction temperature above 1100 °C seemed not to favor the SWNT production due to the quick thermal decomposition of C2H2.

Original languageEnglish
Pages (from-to)191-195
Number of pages5
JournalChemical Physics Letters
Volume349
Issue number3-4
DOIs
StatePublished - 30 Nov 2001
Externally publishedYes

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