Graphene-P(VDF-TrFE) Multilayer Film for Flexible Applications

    Authors

    S. H. Bae; O. Kahya; B. K. Sharma; J. Kwon; H. J. Cho; B. Ozyilmaz;J. H. Ahn

    Comments

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    Abbreviated Journal Title

    ACS Nano

    Keywords

    CVD graphene; electrostatic doping; actuator; generator; flexible; electronics; LIGHT-EMITTING-DIODES; TRANSPARENT ELECTRODES; GRAPHENE FILMS; CHARGE-TRANSFER; V OUTPUT; NANOGENERATORS; PVDF; P(VDF-TRFE); ACTUATORS; DEVICES; Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &; Nanotechnology; Materials Science, Multidisciplinary

    Abstract

    A flexible, transparent acoustic actuator and nanogenerator based on graphene/P(VDF-TrFE)/graphene multilayer film is demonstrated. P(VDF-TrFE) is used as an effective doping layer for graphene and contributes significantly to decreasing the sheet resistance of graphene to 188 ohm/sq. The potentiality of graphene/P(VDF-TrFE)/graphene multilayer film is realized in fabricating transparent, flexible acoustic devices and nanogenerators to represent its functionality. The acoustic actuator shows good performance and sensitivity over a broad range of frequency. The output voltage and the current density of the nanogenerator are estimated to be similar to 3 V and similar to 0.37 mu Acm(-2), respectively, upon the application of pressure. These values are comparable to those reported earlier for Zn0- and PIT-based nanogenerators. Finally, the possibility of rollable devices based on graphene/P(VDF-TrfE)/graphene structure is also demonstrated under a dynamic mechanical loading condition.

    Journal Title

    Acs Nano

    Volume

    7

    Issue/Number

    4

    Publication Date

    1-1-2013

    Document Type

    Article

    Language

    English

    First Page

    3130

    Last Page

    3138

    WOS Identifier

    WOS:000318143300026

    ISSN

    1936-0851

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