Catalysis of poly(3,4-ethylenedioxythiophene)-Pt(hkl) electrodes towards 2,5-dimercapto-1,3,4-thiadiazole in 1-ethyl-2,3-dimethylimidazolium bis(trifluoromethylsulfonyl)imide
2016
Abstract This work studies the redox reactions of 2,5-dimercapto-1,3,4-thiadiazole (DMcT) on bare platinum single crystal electrodes and platinum electrodes modified by a thin film of poly(3,4-ethylenedioxythiophene) (PEDOT) using as electrolyte the ionic liquid 1-ethyl-2,3-dimethylimidazolium bis(trifluoromethylsulfonyl)imide ([Emmim][NTf 2 ]). It was found that the redox reactions of DMcT are more reversible in [Emmim][NTf 2 ] than in electrolytes dissolved in acetonitrile. Finally, it was found that the redox reactions of DMcT are surface sensitive on both bare and PEDOT modified Pt single crystal electrodes.
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