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Polyoctenamer - Single Walled Carbon Nanotube Composites: Spectroscopic Investigations

Published online by Cambridge University Press:  31 January 2011

Alin Cristian Chipara ,
Thomas Mion ,
Rafael Villegas ,
Karen Lozano ,
Dorina Magdalena Chipara ,
Steven C. Tidrow  and
Mircea Chipara
Alin Cristian Chipara
Affiliation:
[email protected], The University of Texas Pan American, Mechanical Engineering, Edinburg, Texas, United States
Thomas Mion
Affiliation:
[email protected], The University of Texas Pan American, Physics and Geology, Edinburg, Texas, United States
Rafael Villegas
Affiliation:
[email protected], The University of Texas Pan American, Mechanical Engineering, Edinburg, Texas, United States
Karen Lozano
Affiliation:
[email protected], The University of Texas Pan American, Mechanical Engineering, Edinburg, Texas, United States
Dorina Magdalena Chipara
Affiliation:
[email protected], The University of Texas Pan American, Physics and Geology, Edinburg, Texas, United States
Steven C. Tidrow
Affiliation:
[email protected], The University of Texas Pan American, Physics and Geology, Edinburg, Texas, United States
Mircea Chipara
Affiliation:
[email protected]@lycos.com, The University of Texas Pan American, Physics and Geology, Edinburg, Texas, United States
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Abstract

Composites of single walled carbon nanotube dispersed within polymeric matrices have been investigated by spectroscopic techniques (Raman and Wide Angle X-Ray Spectroscopy). Raman investigations included an in depth analysis of the radial breathing mode (for single wall carbon nanotubes) and a brief analysis of the lines originating from the polymeric matrix. Raman spectra were successfully simulated by computer assuming that the as recorded spectrum is a convolution of lines whose line shape is well described by a modified Breit-Wigner-Fano equation. The dependence of the position of the lines belonging to the radial breathing mode on the concentration of single walled carbon nanotube has been investigated, with emphasis on information pertinent to the stress transfer from the macromolecular matrix to the filler and to the coating of single walled carbon nanotube by polymeric chains. Complementary Wide Angle X-Ray Spectroscopy measurements provided information about the effect of the loading with single walled carbon nanotube on the crystal structure of the polymeric matrix. The research aims to a better understanding of the interactions between polymeric matrices and nanofillers.

Keywords

nanostructureRaman spectroscopyx-ray diffraction (XRD)
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1204: Symposium K – Nanotubes and Related Nanostructures-2009 , 2009 , 1204-K10-15
Copyright
Copyright © Materials Research Society 2010

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