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Polarized Raman Spectra of Carbon Nanotubes

Published online by Cambridge University Press:  15 March 2011

Ado Jorio ,
Sandra D.M Brown ,
Gene Dresselhaus ,
Mildred S. Dresselhaus ,
Marcos A. Pimentap ,
Riichiro Saito ,
Apparao M. Rao  and
Katrin Kneipp
Ado Jorio
Affiliation:
Massach usetts Institute of Tec hnologyCambridge, A 02139-4307
Sandra D.M Brown
Affiliation:
Massach usetts Institute of Tec hnologyCambridge, A 02139-4307
Gene Dresselhaus
Affiliation:
Massach usetts Institute of Tec hnologyCambridge, A 02139-4307
Mildred S. Dresselhaus
Affiliation:
Massach usetts Institute of Tec hnologyCambridge, A 02139-4307
Marcos A. Pimentap
Affiliation:
Univ. F ederal de inas Gerais, Belo Horizonte, MG 30123-970, Brazil
Riichiro Saito
Affiliation:
Univ. of Electro-Communications, Tokyo, 182-8585, Japan
Apparao M. Rao
Affiliation:
Clemson University, Clemson, SC 29634-0978
Katrin Kneipp
Affiliation:
Technical University of Berlin, Berlin, 10623, Germany
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Abstract

P olarizedresonant Raman spectra for the G-band were obtained from a rope of aligned semiconducting SWNTs and from nonaligned semiconducting and metallic SWNTs. Based on group theory analysis and related theoretical predictions, we assign the symmetry for the modes in the G-band of both metallic and semiconducting SWNTs. he frequency shifts of the tangential G modes from the 2D graphite-like E2g2 frequency are discussed in terms of the nanotube geometry.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 633: Symposium A – Nanotubes and Related Materials , 2000 , A6.5
Copyright
Copyright © Materials Research Society 2001

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