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In Situ Observation of Unique Bianalyte Molecular Behaviors at the Gap of a Single Metal Nanodimer Structure via Electrochemical Surface-Enhanced Raman Scattering Measurements

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journal contribution
posted on 20.09.2019 by Nobuaki Oyamada, Hiro Minamimoto, Kei Murakoshi
Electrochemical surface-enhanced Raman scattering measurements of a monomolecule layer have been performed using a single Au dimer structure with a well-defined gap distance. Through the bianalyte measurements under the electrochemical potential control, we have successfully observed the change in the adsorption states depending on the electrochemical potential at the surface of the Au structure. The time-dependent dynamics of the formation of the mixed bianalyte layer was clarified to form unique adsorbed states under excitation light illumination on the surface.

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