Journal
JOURNAL OF PHYSICS D-APPLIED PHYSICS
Volume 43, Issue 34, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/43/34/345401
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Funding
- DGCIS
- Region Midi-Pyrenees
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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 Sm-1 is achieved for a 3 vol% filler content.
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