Abstract
Interfacial stress changes at electroactive self-assembled monolayers have been investigated by monitoring the potential-induced deflection of Au-coated microcantilevers modified with 12-ferrocenyl-1-dodecanethiol in aqueous perchloric acid solution. Oxidation of the surface-bound ferrocene generates a compressive surface stress which results in the cantilever bending away from the film-coated Au surface. The origin of the redox-induced stress change that occurs at these close-packed monomolecular films is discussed.
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