Electropolymerization of pyrrole in 1-ethyl-3-methylimidazolium trifluoromethanesulfonate room temperature ionic liquid |
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Affiliation: | 1. Electrochemical Power Sources Division, CSIR-Central Electrochemical Research Institute, Karaikudi, 630003, Tamil Nadu, India;2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India |
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Abstract: | Air and moisture stable ionic liquid like 1-ethyl-3-methylimidazolium trifluoromethanesulfonate (EMICF3SO3) has been used as an electrolyte for the electrooxidative polymerization of pyrrole; the morphological structure of polypyrrole film formed on the anode was greatly affected, and the polymerization rate, electrochemical capacity and electroconductivity were significantly increased. Furthermore, it was also found that EMICF3SO3 could be recovered by a simple extraction of the remaining pyrrole monomer from the ionic liquid after use, and then reused without significant loss of reactivity for the polymerization. |
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