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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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Publication details

The article was received on 16 Nov 2013, accepted on 21 Jan 2014 and first published on 24 Jan 2014


Article type: Paper
DOI: 10.1039/C3TA14726F
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Citation: J. Mater. Chem. A, 2014,2, 5462-5469
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    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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