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Proceedings Paper

Electrochemomechanical behaviour of free standing PEDOT films in organic and aqueous electrolytes
Author(s): Rudolf Kiefer; Paul A. Kilmartin; Graham A. Bowmaker; Jadranka Travas-Sejdic
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Paper Abstract

The actuation properties of free standing films of poly-3,4-ethylenedioxythiophene (PEDOT) prepared from propylene carbonate (PC) solutions of tetrabutylammonium trifluromethanesulfonate have been studied in a range of aqueous and organic (PC) solvent electrolytes. The following electrolyte salts were investigated: TBACF3SO3, LiCF3SO3, TBAPF6, NaPF6, NaDBS and TMACl. The best actuation performance was achieved in TMACl (aq.) with >4 % strain, 0.18 % s-1 strain rate and a low creep of 2.3 % after 50 cycles using potential step experiments. The PEDOT film morphology was significantly changed from an open sub-micron pore polymer network to a morphology with fewer and less open pores when the solvent was changed from PC to water.

Paper Details

Date Published: 10 April 2008
PDF: 9 pages
Proc. SPIE 6927, Electroactive Polymer Actuators and Devices (EAPAD) 2008, 692720 (10 April 2008); doi: 10.1117/12.776047
Show Author Affiliations
Rudolf Kiefer, Univ. of Auckland (New Zealand)
Paul A. Kilmartin, Univ. of Auckland (New Zealand)
Graham A. Bowmaker, Univ. of Auckland (New Zealand)
Jadranka Travas-Sejdic, Univ. of Auckland (New Zealand)


Published in SPIE Proceedings Vol. 6927:
Electroactive Polymer Actuators and Devices (EAPAD) 2008
Yoseph Bar-Cohen, Editor(s)

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