The electrochemical reduction of diazonium-based salts is a promising reaction for the functionalization of gold surfaces because it creates a stable carbon-gold bond to the surface. We have investigated the binding of diazonium-based aryl molecules to nanoporous gold electrodes, a novel form of gold with high surface area and conductivity that is well suited for sensing applications. Infrared spectroscopy and cyclic voltammetry were used to characterize the density and stability of the resulting molecular layers. This work examines the viability of electrochemical diazonium functionalization as a scaffold for adding functionality to the nanoporous gold surface.

Diazonium-derived nitrobenzene layers on nanoporous gold

249th National Meeting (2015)

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