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The electrochemical behaviour of polypyrrole (PPy) doped with a sulfated poly(β-hydroxyether) (S-PHE) has been examined. PPy/S-PHE films are mechanically strong and electroactive in propylene carbonate solution, but electroinactive in aqueous solution. It was demonstrated that PPy/S-PHE could be made electroactive in aqueous media by first performing cyclic voltammetry in propylene carbonate/water...
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