Diameter grouping in bulk samples of single-walled carbon nanotubes from optical absorption spectroscopy

Authors
  • O. Jost
  • A.A. Gorbunov
  • W. Pompe
  • T. Pichler
  • R. Friedlein
  • M. Knupfer
  • M. Reibold
  • H.-D. Bauer
  • L. Dunsch
  • M.S. Golden
  • J. Fink
Publication date 1999
Journal Applied Physics Letters
Volume | Issue number 75 | 15
Pages (from-to) 2217-2219
Organisations
  • Faculty of Science (FNWI) - Institute of Physics (IoP) - Van der Waals-Zeeman Institute (WZI)
Abstract
The influence of the synthesis parameters on the mean characteristics of single-wall carbon nanotubes in soot produced by the laser vaporization of graphite has been analyzed using optical absorption spectroscopy. The abundance and mean diameter of the nanotubes were found to be most influenced by the furnace temperature and the cobalt/nickel catalyst mixing ratio. Via an analysis of the fine structure in the optical spectra, the existence of preferred nanotube diameters has been established and their related fractional abundance could be determined. The results are consistent with nanotubes located mainly around the armchair axis.
Document type Article
Language English
Published at https://doi.org/10.1063/1.124969
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