Large enhancement in polarization response and energy density of poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) by interface effect in nanocomposites

Baojin Chu, Minren Lin, Breet Neese, Xin Zhou, Qin Chen, Q. M. Zhang

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Abstract

The authors report the finding of large enhancement in the electric energy density and electric displacement level in nanocomposites of poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) relaxor ferroelectric polymer/ Zr O2 nanoparticles. Through the interface effect, the presence of the nanoparticles (with only 1.6 vol % of ZrO2 nanoparticles in the composite) raises the maximum electric displacement D from 0.085 C m2 under 400 MVm in the neat terpolymer to more than 0.11 C m2 under 300 MVm in the nanocomposites. Consequently, a high energy density of 10.5 J cm3 can be achieved under a lower field (300 MVm) in the nanocomposites compared with the neat terpolymer.

Original languageEnglish (US)
Article number122909
JournalApplied Physics Letters
Volume91
Issue number12
DOIs
StatePublished - 2007

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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