Enhancement of dielectric energy density in the poly(vinylidene fluoride)-based terpolymer/copolymer blends

Baojin Chu, Bret Neese, Minren Lin, Sheng Guo Lu, Q. M. Zhang

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    56 Scopus citations

    Abstract

    This paper investigates dielectric properties of the blends of poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) terpolymer and poly(vinylidene fluoride-chlorotrifluoroethylene) copolymer. The high field (>50 MV/m) polarization response of the blends with a small amount of copolymer (5 and 10 wt % copolymer) is higher than that of the neat terpolymer due to the interface contribution. At the same time the breakdown field was also greatly improved by mixing a small amount of the copolymer with the terpolymer. Consequently, a higher energy density of about 11.5 J/ cm3 is obtained in these blends in contrast to about 9 J/ cm3 in the terpolymer.

    Original languageEnglish (US)
    Article number152903
    JournalApplied Physics Letters
    Volume93
    Issue number15
    DOIs
    StatePublished - 2008

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy (miscellaneous)

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