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Issue 15, 2014
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Highly conductive PEDOT electrodes for harvesting dynamic energy through piezoelectric conversion

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Abstract

A highly conductive PEDOT material was explored as a transparent electrode for a piezoelectric PVDF film. The potential of a piezoelectric film device consisting of a PEDOT/PVDF/PEDOT layer was realized in fabricating a transparent and flexible energy harvester that generates electricity from repetitive physical displacements (stretching and pressing). The output voltage and current density of the energy generator were 16.4 V (peak-to-peak) and 0.2 μA cm−2 (peak-to-peak), respectively, when applying 800 mN of stretching power. These values are much higher than the PEDOT:PSS–CNT system and comparable to those reported earlier for inorganic-based nanogenerators. Finally, a self-lighting system consisting of an LED bulb, a capacitor, and the PEDOT/PVDF/PEDOT device was demonstrated under a dynamic stretching condition, allowing for the large-scale, low-cost production of a miniaturized active thin-film energy harvester.

Graphical abstract: Highly conductive PEDOT electrodes for harvesting dynamic energy through piezoelectric conversion

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Supplementary files

Article information


Submitted
16 Nov 2013
Accepted
21 Jan 2014
First published
24 Jan 2014

J. Mater. Chem. A, 2014,2, 5462-5469
Article type
Paper
Author version available

Highly conductive PEDOT electrodes for harvesting dynamic energy through piezoelectric conversion

T. Park, B. Kim, Y. Kim and E. Kim, J. Mater. Chem. A, 2014, 2, 5462 DOI: 10.1039/C3TA14726F

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