Low-temperature growth of carbon nanotubes from the catalytic decomposition of carbon tetrachloride

Jason K. Vohs, Jonathan J. Brege, Jeffery E. Raymond, Allan E. Brown, Geoffrey L. Williams, Bradley D. Fahlman

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

Multiwall carbon nanotubes (MWNTs) were synthesized via the decomposition of CCl4 in supercritical CO2 at 175 °C and 27.6 MPa using an iron-encapsulated dendrimer as a growth catalyst. The average diameter of resultant nanotubes was 20-25 nm, obtained after a 24-h reaction time. Our conditions represent the first application for CX4 precursors, as well as the lowest-reported temperature regime for carbon nanotube growth, allowing the use of other temperature-sensitive catalytic substrates.

Original languageEnglish
Pages (from-to)9936-9937
Number of pages2
JournalJournal of the American Chemical Society
Volume126
Issue number32
DOIs
StatePublished - Aug 18 2004

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