Quantifying carbon-nanotube species with resonance Raman scattering
Physical Review B2005Vol. 72(7)
Citations Over TimeTop 10% of 2005 papers
Ado Jório, Adelina P. Santos, Henrique B. Ribeiro, Cristiano Fantini, M. Souza, J. P. M. Vieira, Clascídia Aparecida Furtado, Jie Jiang, Riichiro Saito, L. Balzano, Daniel E. Resasco, M. A. Pimenta
Abstract
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).
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