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Structural and electrical properties of gold nanowires/P(VDF-TrFE) nanocomposites

Lonjon, Antoine and Laffont-Dantras, Lydia and Demont, Philippe and Dantras, Eric and Lacabanne, Colette Structural and electrical properties of gold nanowires/P(VDF-TrFE) nanocomposites. (2010) Journal of Physics D: Applied Physics, vol. 43 (n° 34). ISSN 0022-3727

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Official URL: http://dx.doi.org/10.1088/0022-3727/43/34/345401

Abstract

High aspect ratio gold nanowires were uniformly dispersed into a poly(vinylidene difluoride–trifluoroethylene) [P(VDF-TrFE)] matrix. The nanowires were synthesized by electrodeposition using nanoporous anodic alumina oxide templates. The intrinsic optical conductivity of the gold nanowires was determined by valence electron energy loss spectroscopy. The effect of increasing volume fraction of Au nanowires on the morphology and crystallization of P(VDF-TrFE) matrix was investigated by differential scanning calorimetry. The crystallinity of P(VDF-TrFE) is strongly depressed by the randomly dispersed nanowires. Above 30 vol% the crystallization of P(VDF-TrFE) is suppressed. The bulk electrical conductivity of nanocomposite films, at room temperature, obeys a percolation behaviour at a low threshold of 2.2 vol% and this was confirmed using the surface resistivity value. An electrical conductivity of 100 S m−1 is achieved for a 3 vol% filler content.

Item Type:Article
Additional Information:Thanks to IOP editor. The definitive version is available at http://www.iop.org/ The original PDF of the article can be found at Journal of Physics D: Applied Physics website : http://iopscience.iop.org/0022-3727/43/34/345401
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
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Deposited By: Leila Abdelouhab

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