Interfaces in poly(vinylidene fluoride) terpolymer/ ZrO2 nanocomposites and their effect on dielectric properties

Baojin Chu, Minren Lin, Bret Neese, Qiming Zhang

    Research output: Contribution to journalArticle

    30 Citations (Scopus)

    Abstract

    Enhancement of weak and high field dielectric responses was observed in poly(vinylidene fluoride) terpolymer/ ZrO2 nanocomposites. A frequency-dependent interfacial polarization mechanism (related to the interfacial area between polymer and nanoparticles) is responsible for the enhancement of the dielectric constant at the low field. Due to the improvement of chain mobility and stabilization of the polar phase in the polymer/nanoparticle interface regions, the high field dielectric response of nanocomposites was also enhanced in the certain particle loading. Based on the high-field polarization saturation phenomenon, the dimension of interface regions in the nanocomposites was estimated as 20-40 nm.

    Original languageEnglish (US)
    Article number014103
    JournalJournal of Applied Physics
    Volume105
    Issue number1
    DOIs
    StatePublished - Jul 9 2009

    Fingerprint

    vinylidene
    fluorides
    dielectric properties
    nanocomposites
    nanoparticles
    augmentation
    polymers
    polarization
    stabilization
    permittivity
    saturation

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy(all)

    Cite this

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    title = "Interfaces in poly(vinylidene fluoride) terpolymer/ ZrO2 nanocomposites and their effect on dielectric properties",
    abstract = "Enhancement of weak and high field dielectric responses was observed in poly(vinylidene fluoride) terpolymer/ ZrO2 nanocomposites. A frequency-dependent interfacial polarization mechanism (related to the interfacial area between polymer and nanoparticles) is responsible for the enhancement of the dielectric constant at the low field. Due to the improvement of chain mobility and stabilization of the polar phase in the polymer/nanoparticle interface regions, the high field dielectric response of nanocomposites was also enhanced in the certain particle loading. Based on the high-field polarization saturation phenomenon, the dimension of interface regions in the nanocomposites was estimated as 20-40 nm.",
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    Interfaces in poly(vinylidene fluoride) terpolymer/ ZrO2 nanocomposites and their effect on dielectric properties. / Chu, Baojin; Lin, Minren; Neese, Bret; Zhang, Qiming.

    In: Journal of Applied Physics, Vol. 105, No. 1, 014103, 09.07.2009.

    Research output: Contribution to journalArticle

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    T1 - Interfaces in poly(vinylidene fluoride) terpolymer/ ZrO2 nanocomposites and their effect on dielectric properties

    AU - Chu, Baojin

    AU - Lin, Minren

    AU - Neese, Bret

    AU - Zhang, Qiming

    PY - 2009/7/9

    Y1 - 2009/7/9

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    AB - Enhancement of weak and high field dielectric responses was observed in poly(vinylidene fluoride) terpolymer/ ZrO2 nanocomposites. A frequency-dependent interfacial polarization mechanism (related to the interfacial area between polymer and nanoparticles) is responsible for the enhancement of the dielectric constant at the low field. Due to the improvement of chain mobility and stabilization of the polar phase in the polymer/nanoparticle interface regions, the high field dielectric response of nanocomposites was also enhanced in the certain particle loading. Based on the high-field polarization saturation phenomenon, the dimension of interface regions in the nanocomposites was estimated as 20-40 nm.

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