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Microscopic and spectroscopic investigation of poly(3-hexylthiophene) interaction with carbon nanotubes

Giulianini, Michele, Waclawik, Eric R., Scarselli, Manuela, Castrucci, Paola, De Crescenzi, Maurizio, Bell, John M., & Motta, Nunzio (2011) Microscopic and spectroscopic investigation of poly(3-hexylthiophene) interaction with carbon nanotubes. Polymers, 3, pp. 1433-1446.

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Abstract

The inclusion of carbon nanotubes in polymer matrix has been proposed to enhance the polymer’s physical and electrical properties. In this study, microscopic and spectroscopic techniques are used to investigate the interaction between poly(3-hexylthiophene) (P3HT) and nanotubes and the reciprocal modification of physical properties. The presence of P3HT-covered nanotubes dispersed in the polymer matrix has been observed by atomic force microscopy and transmission electron microscopy. Then, the modification of P3HT optical properties due to nanotube inclusion has been evidenced with spectroscopic techniques like absorption and Raman spectroscopy. The study is completed with detailed nanoscale analysis by scanning probe techniques. The ordered self assembly of polymer adhering on the nanotube is unveiled by showing an example of helical wrapping of P3HT. Scanning tunneling spectroscopy study provides information on the electronic structure of nanotube-polymer assembly, revealing the charge transfer from P3HT to the nanotube.

Impact and interest:

5 citations in Scopus
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4 citations in Web of Science®

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ID Code: 45705
Item Type: Journal Article
Keywords: poly(3-hexylthiophene), carbon nanotubes, STM, AFM
DOI: 10.3390/polym3031433
ISSN: 2073-4360
Subjects: Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > CONDENSED MATTER PHYSICS (020400) > Condensed Matter Imaging (020402)
Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > CONDENSED MATTER PHYSICS (020400) > Surfaces and Structural Properties of Condensed Matter (020406)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanoelectronics (100705)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2011 please consult the authors
Deposited On: 05 Sep 2011 09:22
Last Modified: 06 Sep 2011 06:27

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