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Structure and conductivity of multi-walled carbon nanotube / poly(3-hexylthiophene) composite films

Musumeci, Anthony W., Silva, Glaura G., Liu, Jiang-Wen, Martens, Wayde N., & Waclawik, Eric R. (2007) Structure and conductivity of multi-walled carbon nanotube / poly(3-hexylthiophene) composite films. Polymer, 48(6), pp. 1667-1678.

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Abstract

This work reports a structure-property investigation of a conjugated polymer nanocomposite with enhanced conductivity. Regioregular poly(3-hexylthiophene), (rrP3HT) was used to prepare composites with thin, short, multiwalled carbon nanotube (MWNT) addition over a wide range of concentrations. Scanning and transmission electron microscopy demonstrated an excellent dispersion and good wetting properties within the carbon nanotube composites. Coated MWNTs showed superstructures of P3HT self-organized on nanotube surfaces. Changes in the long range order and on the self-ordered mesophase of the bulk material were investigated by infrared and Raman spectroscopy, differential scanning calorimetry and X-ray diffraction. Interplay between charge transport through the semiconducting polymer and carbon nanotube network increased the composite's conductivity after percolation to values close to 10-2 S cm-1.

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67 citations in Web of Science®

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ID Code: 8052
Item Type: Journal Article
Keywords: Multi, walled carbon nanotubes, regioregular poly(3, hexylthiophene), Conductivity, percolation
DOI: 10.1016/j.polymer.2007.01.027
ISSN: 0032-3861
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > MACROMOLECULAR AND MATERIALS CHEMISTRY (030300) > Macromolecular and Materials Chemistry not elsewhere classified (030399)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > Research Centres > Science Research Centre
Copyright Owner: Copyright 2007 Elsevier
Deposited On: 08 Jun 2007
Last Modified: 29 Feb 2012 23:40

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