Single-molecule fluorescence spectroelectrochemistry of cresyl violet.

Here we report a new path to study single molecule electron transfer dynamics by coupling scanning fluorescence microscopy with a potentiostat via a conventional electrochemical cell to enable single-molecule fluorescence spectroelectrochemistry of cresyl violet in aqueous solution, demonstrating that the single-molecule fluorescence intensity of cresyl violet is modulated synchronously with the cyclic voltammetric potential scanning.

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