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Processing of Transparent Polymer Nanotube Composites via Heat, UV Radiation and Ionizing (gamma) Radiation using Ultrasonication and Solvent Dissolution

Published online by Cambridge University Press:  15 February 2011

L. M. Clayton ,
P. A. O'Rourke Muisener ,
J. P. Harmon ,
A. K. Sikder ,
A. Kumar ,
A. M. Cassell ,
M. Cinke  and
M. Meyyappan
L. M. Clayton
Affiliation:
Department of Chemistry, University of South Florida, 4202 E Fowler Avenue, Tampa, FL 33620-5250, U.S.A.
P. A. O'Rourke Muisener
Affiliation:
Department of Chemistry, University of South Florida, 4202 E Fowler Avenue, Tampa, FL 33620-5250, U.S.A.
J. P. Harmon*
Affiliation:
Department of Chemistry, University of South Florida, 4202 E Fowler Avenue, Tampa, FL 33620-5250, U.S.A.
A. K. Sikder
Affiliation:
Center for Microelectronics Research, University of South Florida, 4202 E Fowler Avenue, Tampa, FL 33620-5250, U.S.A.
A. Kumar
Affiliation:
Center for Microelectronics Research, University of South Florida, 4202 E Fowler Avenue, Tampa, FL 33620-5250, U.S.A.
A. M. Cassell
Affiliation:
NASA Ames Research Center, Moffett Field, CA 94035, U.S.A.
M. Cinke
Affiliation:
NASA Ames Research Center, Moffett Field, CA 94035, U.S.A.
M. Meyyappan
Affiliation:
Center for Microelectronics Research, University of South Florida, 4202 E Fowler Avenue, Tampa, FL 33620-5250, U.S.A.
*
*Address all correspondence to this author. e-mail: harmon@chuma1.cas.usf.edu
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Abstract

Poly (methyl methacrylate)/single walled carbon nanotube (PMMA/SWNT) composites were polymerized in the presence of carbon nanotubes via three methods: heat, uv radiation and ionizing radiation (gamma). Samples were solvent processed and cast into films. Thin films with varying degrees of transparency resulted from these composites. Differential Scanning Calorimetry (DSC) characterized glass transition temperatures. Ultraviolet-visible spectroscopy (UV-VIS) quantified the transparency of composites. The dielectric constant (ε') was obtained from Dielectric Analysis (DEA) and correlated to the refractive index values using Maxwell's Relationship. Scanning Electron Microscopy (SEM) provided images of the polymer- nanotube composite.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 772: Symposium M – Nanotube-Based Devices , 2003 , M2.4
Copyright
Copyright © Materials Research Society 2003

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