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Composites based on polyvinylalcohol have been fabricated from solution with either carbon nanotubes or carbon nanodisks as fillers. Addition of both filler types resulted in conductivity scaling with volume fraction according to σ=σ 0 (p−p c ) t . The nanotube-based composites displayed percolation thresholds of 0.4vol.% compared to 2.1vol.% for the nanodisks, which is higher...
Novel polymer–nanotube composites have been fabricated by the introduction of polymeric material into the free volume contained in carbon nanotube (CNT) mats grown by chemical vapour deposition. The resulting composite material can then be peeled from the substrate to give a free-standing film, the properties of which are controlled by the nanotubes. The nanotube mat acts as a percolative network...
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