Highly conductive PEDOT electrodes for harvesting dynamic energy through piezoelectric conversion

Teahoon Park, Byeonggwan Kim, Younghoon Kim, Eunkyoung Kim

Research output: Contribution to journalArticle

31 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)5462-5469
Number of pages8
JournalJournal of Materials Chemistry A
Volume2
Issue number15
DOIs
Publication statusPublished - 2014 Apr 21

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Stretching
Harvesters
Electrodes
Conductive materials
Light emitting diodes
Capacitors
Current density
Electricity
Lighting
Thin films
Electric potential
polyvinylidene fluoride
Costs
poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

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Highly conductive PEDOT electrodes for harvesting dynamic energy through piezoelectric conversion. / Park, Teahoon; Kim, Byeonggwan; Kim, Younghoon; Kim, Eunkyoung.

In: Journal of Materials Chemistry A, Vol. 2, No. 15, 21.04.2014, p. 5462-5469.

Research output: Contribution to journalArticle

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