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Electrochemical impedance spectroscopy and in-situ IR spectroscopy were employed to investigate potential-induced structural changes, and associated ionic permeability, of alkanethiol self-assembled monolayers (SAMs) deposited on gold surfaces. SAMs terminated with hydroxyl or methyl groups were investigated. It is shown that both SAMs are highly permeable to ions once the dc potential is increased...
A detailed procedure for the fabrication of mechanically exposed Au (111) gold single crystal surfaces is reported. The procedure produced surfaces of high quality with high reproducibility. The method presented, has modifications compared to those reported previously in literature mainly with regards to the surface annealing temperatures used. The quality of the surfaces was confirmed by cyclic voltammetry...
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