PEDOT penetrable

Because of the need to penetrate the porous anode stracture deeply, the PEDOT counter-electrode is preferentially formed by in situ polymerization of EDOT with a chemical oxidant. The preferred oxidizing agent is iron(III) p-toluenesulfonate. Monomer and oxidant are usually diluted in short-chain alcohols (ethanol or n-butanol) to obtain low-viscosity impregnation solutions. 

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