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Appl. Sci. 2018, 8(2), 213;

P(VDF-TrFE) Film on PDMS Substrate for Energy Harvesting Applications

Holcombe Department of Electrical and Computer Engineering, Clemson University, Clemson, SC 29634, USA
Department of Physics and Astronomy and Clemson Nanomaterials Institute, Clemson University, Clemson, SC 29634, USA
Author to whom correspondence should be addressed.
Received: 15 November 2017 / Revised: 5 January 2018 / Accepted: 29 January 2018 / Published: 31 January 2018
(This article belongs to the Special Issue Piezoelectric Energy Harvesting: Materials, Devices and Application)
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We have developed and demonstrated a highly flexible P(VDF-TrFE) film-based energy harvesting device on a PDMS substrate, avoiding any complex composites and patterned structures. The structural and electrical properties of the P(VDF-TrFE) film was investigated using multiple characterization techniques and an optimized film of 7 µm thickness was used for the energy harvesting application. The device, with Ti/Ni metal contacts, was driven by a shaker providing an acceleration of 1.75 g, and frequencies varying from 5 to 30 Hz. The energy harvesting performance of the final fabricated device was tested using the shaker, and resulted in a maximum output capacitor voltage of 4.4 V, which successfully powered a set of 27 LEDs after several minutes of charging. View Full-Text
Keywords: PDMS; piezoelectric; P(VDF-TrFE); energy harvester; flexible PDMS; piezoelectric; P(VDF-TrFE); energy harvester; flexible

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Kim, S.; Towfeeq, I.; Dong, Y.; Gorman, S.; Rao, A.M.; Koley, G. P(VDF-TrFE) Film on PDMS Substrate for Energy Harvesting Applications. Appl. Sci. 2018, 8, 213.

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