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DIELECTRIC BEHAVIOR OF NOVEL ACETYLENE BLACK–PVDF/BaTiO3TRI-PHASE COMPOSITE FILM

Author

Listed:
  • QIAN CHEN

    (State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China)

  • LU JIN

    (State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China)

  • WENJIAN WENG

    (State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China)

  • GAORONG HAN

    (State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China)

  • PIYI DU

    (State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China)

Abstract

A novel three-phase film with conductive acetylene black (AB) and ferroelectric phase(BaTiO3)introduced intoβ-polyvinylidene fluoride (β-PVDF) was prepared by using dip-coating method. The high dielectric constant of 650 can be obtained in the AB–PVDF/BaTiO3composite film when AB content approached the percolation threshold (3.3 vol%), which is 40 times more than that of (PVDF +BaTiO3) matrix. The dielectric constant of the composite film is almost independent of frequency.

Suggested Citation

  • Qian Chen & Lu Jin & Wenjian Weng & Gaorong Han & Piyi Du, 2008. "DIELECTRIC BEHAVIOR OF NOVEL ACETYLENE BLACK–PVDF/BaTiO3TRI-PHASE COMPOSITE FILM," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 15(01n02), pages 19-22.
    • Handle: RePEc:wsi:srlxxx:v:15:y:2008:i:01n02:n:s0218625x08010889
    DOI: 10.1142/S0218625X08010889
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