The co-operative performance of a hydrated salt assisted sponge like P(VDF-HFP) piezoelectric generator: an effective piezoelectric based energy harvester
Literature Information
Prakriti Adhikary, Samiran Garain, Dipankar Mandal
We have prepared hydrated salt filler assisted sponge like P(VDF-HFP) micro-porous electroactive films to fabricate a high performance flexible piezoelectric generator (FPG). These FPGs deliver up to 8 V of open circuit voltage under external stress and also generate enough power to turn on at least fifteen commercial blue light emitting diodes (LEDs) instantly. Furthermore, capacitors have been successfully charged by repeated finger touches indicating the potential of the FPGs to be used as self-powered devices where different types of mechanical vibrations can be applied. The high performance of FPGs might be attributed to the co-operative contribution from the porous electret structure and electroactive nature of the P(VDF-HFP) film, as they also enhance the dielectric permittivity. This approach is simple, cost-effective, and well-suited for large-scale fabrication of high-performance FPGs.
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.













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