Abstract

The behaviour of sulphur adsorbed at a silver and gold/electrolyte interface has been studied by a combination of radiotracer and classical electrochemical methods. Sulphur forms stable monolayers on single-crystal silver surfaces in aqueous NaF between −0.4 and −1.0 V (MSE). The double-layer capacity is substantially lowered and the pzc shfted. The sulphur can be removed by cathodic treatment, but the silver surface cannot be returned to its original clean condition by this method.

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