In situ observations of carbon nanotube formation using environmental transmission electron microscopy

Renu Sharma, Zafar Iqbal

Research output: Contribution to journalArticlepeer-review

114 Scopus citations

Abstract

Preliminary in situ investigation of the CNT growth process and its mechanism was performed. Filamentous growth was clearly seen at low temperature in propylene. However, multiwall tubes were observed to form at temperatures as low as 450°C in acetylene, with catalyst observed both at the center and at the tips of the tubes. Remarkably, a crystalline cubic carbon phase appeared to form on the walls of the growing MWNTs.

Original languageEnglish (US)
Pages (from-to)990-992
Number of pages3
JournalApplied Physics Letters
Volume84
Issue number6
DOIs
StatePublished - Feb 9 2004

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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