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Electrochemical synthesis of polypyrrole in ionic liquids |
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| Authors: | Jennifer M Pringle John Efthimiadis Jim Efthimiadis Adrian B Chaplin David L Officer Maria Forsyth |
| Affiliation: | a School of Chemistry, Monash University, Wellington Road, Clayton, Vic. 3800, Australia b School of Physics and Materials Engineering, Monash University, Wellington Road, Clayton, Vic. 3800, Australia c Nanomaterials Research Centre, Massey University, Private Bag 11222, Palmerston North, New Zealand d Intelligent Polymer Research Institute, University of Wollongong, Northfields Avenue, Wollongong, NSW 2522, Australia |
| Abstract: | Electrochemical synthesis of inherently conducting polymers such as polypyrrole is traditionally performed in a molecular solvent/electrolyte system such acetonitrile/lithium perchlorate. We report the use of ionic liquids 1-butyl-3-methylimidazolium hexafluorophosphate, 1-ethyl-3-methylimidazolium bis(trifluoromethanesulfonyl) amide and N,N-butylmethylpyrrolidinium bis(trifluoromethanesulfonyl) amide, both as the growth medium and as an electrolyte for the electrochemical cycling of polypyrrole films. Use of the ionic liquid as the growth medium results in significantly altered film morphologies and improved electrochemical activities. |
| Keywords: | Polypyrrole Ionic liquids Conducting polymers |
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