Measurement of the microwave effective permittivity in tensile-strained polyvinylidene difluoride trifluoroethylene filled with graphene | Zendy

B. J. P. Adohi | Zendy; Vincent Laur | Zendy; B. Haidar | Zendy; C. Brosseau | Zendy

Open Access

Measurement of the microwave effective permittivity in tensile-strained polyvinylidene difluoride trifluoroethylene filled with graphene

Author(s) -

B. J. P. Adohi,

Vincent Laur,

B. Haidar,

C. Brosseau

Publication year - 2014

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4866419

Subject(s) - materials science , permittivity , graphene , polyvinylidene fluoride , composite material , polarization (electrochemistry) , difluoride , uniaxial tension , microwave , ultimate tensile strength , optoelectronics , dielectric , nanotechnology , polymer , inorganic chemistry , chemistry , physics , quantum mechanics

We report an interesting effect in the form of a rise (up to 13%) in the permittivity of graphene (GE) filled polyvinylidene difluoride trifluoroethylene (P(VDF-TrFE)) subjected to a small uniaxial deformation (up to 7% in the principal direction). Our findings differ from GE-PVDF homopolymer samples that show a decrease of permittivity upon elongation. We argue that the VDF content which controls the spontaneous polarization has a profound effect on the charge storage through the addition of interface density by the GE phase.

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