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Enhanced Raman signal of CH3 on carbon nanotubes

Published online by Cambridge University Press:  01 February 2011

A. Bassil ,
P. Puech ,
G. Landa ,
W. Bacsa ,
H. Hubel ,
D. J. Dunstan ,
S. Barrau ,
Ph. Demont ,
C. Lacabanne  and
E. Perez
...Show all authors
A. Bassil
Affiliation:
LPST, IRSAMC, UMR5477, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
P. Puech*
Affiliation:
LPST, IRSAMC, UMR5477, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
G. Landa
Affiliation:
LPST, IRSAMC, UMR5477, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
W. Bacsa
Affiliation:
LPST, IRSAMC, UMR5477, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
H. Hubel
Affiliation:
Department of Physics, Queen Mary, University of London, London E1 4NS, United Kingdom
D. J. Dunstan
Affiliation:
Department of Physics, Queen Mary, University of London, London E1 4NS, United Kingdom
S. Barrau
Affiliation:
LPP, CIRIMAT, UMR5085, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
Ph. Demont
Affiliation:
LPP, CIRIMAT, UMR5085, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
C. Lacabanne
Affiliation:
LPP, CIRIMAT, UMR5085, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
E. Perez
Affiliation:
IMRCP, UMR5623, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
E. Flahaut
Affiliation:
LCMIE, CIRIMAT, UMR5085, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
R. Bacsa
Affiliation:
LCMIE, CIRIMAT, UMR5085, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
A. Peigney
Affiliation:
LCMIE, CIRIMAT, UMR5085, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
Ch. Laurent
Affiliation:
LCMIE, CIRIMAT, UMR5085, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
*
*[email protected]
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Abstract

We find that functionalized SWCNT and DWCNT's (mainly double wall carbon nanotubes) in composites, DWCNTs under hydrostatic pressure and blue illuminated DWCNTs in methanol show the same up shift of the Raman G band and the appearance of a new band at 1455cm−1. This is attributed to the interaction of the CH3 group of the amphiphilic molecule in composites or the CH3 group of alcohol with the outer tube of DWCNT's and indicates that laser heating of DWCNT's in methanol can induce the chemical adsorption of CH3 onto the CNT (carbon nanotube) surface.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 858: Symposium HH – Functional Carbon Nanotubes , 2004 , HH14.7
Copyright
Copyright © Materials Research Society 2005

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References

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