Vibrational modes of carbon nanotubes; Spectroscopy and theory

Experimental and theoretical studies of the vibrational modes of carbon nanotubes are reviewed. The closing of a 2D graphene sheet into a tubule is found to lead to several new infrared (IR)- and Ramanactive modes. The number of these modes is found to depend on the tubule symmetry and not on the di...

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Published inCarbon (New York) Vol. 33; no. 7; pp. 959 - 972
Main Authors Eklund, P.C., Holden, J.M., Jishi, R.A.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 1995
Subjects
carbon nanotubes
disordered carbons
infrared
normal modes
Raman
Vibrations
Vibrations
infrared
Raman
carbon nanotubes
disordered carbons
normal modes
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Summary:Experimental and theoretical studies of the vibrational modes of carbon nanotubes are reviewed. The closing of a 2D graphene sheet into a tubule is found to lead to several new infrared (IR)- and Ramanactive modes. The number of these modes is found to depend on the tubule symmetry and not on the diameter. Their diameter-dependent frequencies are calculated using a zone-folding model. Results of Raman scattering studies on arc-derived carbons containing nested or single-wall nanotubes are discussed. They are compared to theory and to that observed for other sp 2 carbons also present in the sample.
ISSN:0008-6223
1873-3891
DOI:10.1016/0008-6223(95)00035-C