Chetana Ghosal, S. Ghosh, D. Mandal, B. Chattopadhyay
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Protein promoted β-phase nucleation in poly (vinylidene fluoride) for energy harvesting applications
In this work, poly (vinylidene fluoride)/protein composite films are prepared which is free standing and flexible. Nucleation of electroactive β-phase in poly (vinylidene fluoride) (PVDF) and consecutive surface morphological changes with different weight percentage of protein is systematically investigated. Finally, the PVDF/protein composite film is used to make a mechanical energy harvesting device. The flexible device produces 2.5 V open-circuit voltage under repeated hand punching. Thus, the device can be used for self-powered consumer electronics in near future.In this work, poly (vinylidene fluoride)/protein composite films are prepared which is free standing and flexible. Nucleation of electroactive β-phase in poly (vinylidene fluoride) (PVDF) and consecutive surface morphological changes with different weight percentage of protein is systematically investigated. Finally, the PVDF/protein composite film is used to make a mechanical energy harvesting device. The flexible device produces 2.5 V open-circuit voltage under repeated hand punching. Thus, the device can be used for self-powered consumer electronics in near future.
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