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Monitoring the electrochemical reactions on a gold nanoelectrode array via fluorescence-enabled electrochemical imaging.

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High-spatial resolution fluorescence imaging on a high-density gold nanoelectrode array was achieved by anchoring fluorescent molecules to limit diffusion. Meanwhile, an ionic liquid as the electrolyte with a refractive index… Click to show full abstract

High-spatial resolution fluorescence imaging on a high-density gold nanoelectrode array was achieved by anchoring fluorescent molecules to limit diffusion. Meanwhile, an ionic liquid as the electrolyte with a refractive index matching with the optical system could effectively improve the sensitivity of fluorescence imaging. Moreover, spatially resolved imaging of the electrochemical reactions on a single nanoelectrode modified with a single Pt nanoparticle was achieved.

Keywords: electrochemical reactions; monitoring electrochemical; gold nanoelectrode; nanoelectrode array; fluorescence

Journal Title: Chemical communications
Year Published: 2022

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