High Dielectric Permittivity and Low Percolation Threshold in Nanocomposites Based on Poly(vinylidene fluoride) and Exfoliated Graphite Nanoplates

He, Fu‐An; Lau, Sien-Ting; Chan, Helen L. W.; Fan, Jintu

doi:10.1002/adma.200801758

articleAdvanced MaterialsDec 12, 2008Closed access

High Dielectric Permittivity and Low Percolation Threshold in Nanocomposites Based on Poly(vinylidene fluoride) and Exfoliated Graphite Nanoplates

FHFu‐An He SLSien-Ting Lau HLHelen L. W. Chan JFJintu Fan

Hong Kong Polytechnic University

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Abstract

A novel nanocomposite, based on poly-(vinylidene fluoride) and exfoliated graphite nanoplates (PVDF/xGnPs), exhibits high dielectric constant with a low percolation threshold, which can be attributed to the good dispersion of xGnP in the PVDF matrix and the formation of a large number of parallel-board microcapacitors.

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Topics & keywords

Topics

Keywords

Materials science
Nanocomposite
Percolation threshold
Dielectric
Fluoride
Percolation (cognitive psychology)
Graphite
Permittivity

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