Diameter-controlled synthesis of carbon nanotubes

Chin Li Cheung, Andrea Kurtz, Hongkun Park, Charles M. Lieber

Research output: Contribution to journalArticle

676 Citations (Scopus)

Abstract

Nearly monodisperse iron nanoclusters have been used to define the diameters of carbon nanotubes grown by chemical vapor deposition (CVD). Iron nanoparticles with average diameters of 3, 9, and 13 nm were used to grow carbon nanotubes with average diameters of 3, 7, and 12 nm, respectively. Transmission electron microscopy studies of the nanotubes show that the as-grown nanotubes are single-walled carbon nanotubes (SWNTs) or thin multiwalled carbon nanotubes (MWNTs) with 2 or 3 layers. Investigations of the growth conditions also demonstrate that the supply Q f carbon reactant is critical for enabling the growth of large diameter nanotubes from large iron nanoclusters, and that the growth temperature is especially important for achieving high-quality large diameter nanotubes. The implications of these results and possible applications of the nanotubes are discussed.

Original languageEnglish (US)
Pages (from-to)2429-2433
Number of pages5
JournalJournal of Physical Chemistry B
Volume106
Issue number10
DOIs
StatePublished - Mar 14 2002

Fingerprint

Carbon Nanotubes
Nanotubes
Carbon nanotubes
nanotubes
carbon nanotubes
synthesis
Iron
Nanoclusters
nanoclusters
iron
Multiwalled carbon nanotubes (MWCN)
Growth temperature
Single-walled carbon nanotubes (SWCN)
Chemical vapor deposition
Carbon
vapor deposition
Nanoparticles
Transmission electron microscopy
nanoparticles
transmission electron microscopy

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Diameter-controlled synthesis of carbon nanotubes. / Cheung, Chin Li; Kurtz, Andrea; Park, Hongkun; Lieber, Charles M.

In: Journal of Physical Chemistry B, Vol. 106, No. 10, 14.03.2002, p. 2429-2433.

Research output: Contribution to journalArticle

Cheung, Chin Li ; Kurtz, Andrea ; Park, Hongkun ; Lieber, Charles M. / Diameter-controlled synthesis of carbon nanotubes. In: Journal of Physical Chemistry B. 2002 ; Vol. 106, No. 10. pp. 2429-2433.
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