Quantifying carbon-nanotube species with resonance Raman scattering

A. Jorio, A. P. Santos, H. B. Ribeiro, C. Fantini, M. Souza, J. P.M. Vieira, C. A. Furtado, J. Jiang, R. Saito, L. Balzano, D. E. Resasco, M. A. Pimenta

Research output: Contribution to journalArticlepeer-review

158 Citations (Scopus)


The method for quantifying the amount of each carbon nanotube specie, as defined by its diameter and chiral angle, as well as the semiconducting-to- metallic ratio in any type of carbon nanotube sample is discussed. Single-wall carbon nanotubes grown by the cobalt-molybdenum catalyst based (CoMoCAT) process are characterized. The semiconducting-to-metallic ratio is found to be 11:1. A single semiconducting specie, named the (6,5) nanotube represents 2 5 of the sample, while the most abundant metallic nanotube is the (7,4), which exhibits a diameter similar to the (6,5).

Original languageEnglish
Article number075207
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number7
Publication statusPublished - 2005 Aug 15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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