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Adsorption of 1,10-phenanthroline within a dodecanethiol monolayer: an approach to a switchable electrode surface
Authors:Hou Kuang-Yu  Yu Lei  Severson Mark W  Zeng Xiangqun
Affiliation:Department of Chemistry, Oakland University, Rochester, Michigan 48309, USA.
Abstract:A simple method was used to prepare a "switchable" electrode surface by using self-assembled monolayers of dodecanethiol on a gold electrode. The dodecane-modified electrode was electrochemically inactive until the monolayer was soaked in solutions of 1,10-phenanthroline or 2,2'-bipyridine. The electroactive form of the electrode could be reverted back to the nonelectroactive form by rinsing the electrode. Surface IR results showed that both dodecanethiol and 1,10-phenanthroline exist in the mixed monolayer.
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