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Integrated polypyrrole and amorphous carbon hybrid films
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, The Institute of Technology.
(IMS Lab, Institute Of Technology, University Of Tartu, Tartu, Estonia)
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-2071-7768
2013 (English)Conference paper, Oral presentation with published abstract (Other academic)
Abstract [en]

Although electroactive materials based on conducting polymers have improved considerably during the last two decades, further improvement, especially with regards to strain and speeds are required. Here, we present a novel concept of synthesizing hybrid materials comprising polypyrrole (PPy) and carbonaceous materials in order to increase the performance. Hybrid electroactive films composed of nanoporous amorphous carbon and PPy were successfully electropolymerized. PPy and the carbon materials were integrated to form a continuous film without additional binder which is often an insulator and inevitably reduces the electrical and electrochemical performance. The incorporation of nanoporous carbon in film structure was verified using ATR-FTIR. The redox behavior of PPy/carbon hybrid and PPy films, as well as electrochemical capacitance properties were investigated using cyclic voltammetry and electrochemical impedance spectroscopy (EIS) methods. The conductive polymer-carbonaceous films exhibited good electrochemical reversibility during cycling. The surface morphology of the polymer hybrids were investigated with SEM. The porous structure of PPy/carbon hybrid considerably increases the area of the electrolyte/composite film interface, which is leading to higher electric double-layer capacitance and higher redox capacitance, and leaving adequate working space to assure facile electrolyte penetration and better faradaic utilization of the electroactive PPy.

Place, publisher, year, edition, pages
2013.
National Category
Textile, Rubber and Polymeric Materials
Identifiers
URN: urn:nbn:se:liu:diva-100392OAI: oai:DiVA.org:liu-100392DiVA: diva2:661931
Conference
International conference on Electromechanically Active Polymer (EAP) transducers and artifical muscles. EuroEAP Dübendorf Schweiz, 25-26 June 2013
Available from: 2013-11-05 Created: 2013-11-05 Last updated: 2014-01-08Bibliographically approved

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Torop, JannoJager, Edwin

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf