X-ray Absorption Spectroscopy Characterization of Cu Underpotential Deposition on Au(111) and Organothiol-Self-Assembled-Monolayer-Modified Au(111) Electrodes from Sulfate Supporting Electrolyte
作者： Jonathan R. I. Lee , Rachel L. O’Malley , Timothy J. O’Connell , Antje Vollmer , Trevor Rayment
DOI: 10.1021/JP8099412
关键词: Monolayer 、 X-ray absorption spectroscopy 、 Absorption spectroscopy 、 Electrochemical potential 、 Chemistry 、 Inorganic chemistry 、 Butanethiol 、 Supporting electrolyte 、 Self-assembled monolayer 、 Underpotential deposition
摘要: Cu K-edge X-ray absorption spectroscopy (XAS) has been used for the in situ structural characterization of monolayers prepared on both bare Au(111) and butanethiol self-assembled monolayer (BT-SAM)-modified electrodes by underpotential deposition (UPD) from a sulfate supporting electrolyte. In conjunction with electrochemical measurements, XAS studies enable assignment evolution interfacial structure systems as function applied potential. The measurements adlayer formation unmodified electrolyte, an extensively studied model UPD system, allow reevaluation alternative or complementary technique to more established methods investigation electrified interface, such diffraction (XRD) surface scattering (SXS). experiments reported this paper indicate that recent technological advances be conducted t...
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