Confined pulsed diffuse layer charging for nanoscale electrodeposition with an STM.

ABSTRACT: Regulating the state of the solid-liquid interface by means of electric fields is a powerful tool to control electrochemistry. In scanning probe systems, this can be confined closely to a scanning (nano)electrode by means of fast potential pulses, providing a way to probe the interface and control electrochemical reactions locally, as has been demonstrated in nanoscale electrochemical etching. For this purpose, it is important to know the spatial extent of the interaction between pulses applied to the tip, and the substrate. In this paper we use a framework of diffuse layer charging to describe the localization of electrical double layer charging in response to a potential pulse at the probe. Our findings are in good agreement with literature values obtained in electrochemical etching. We

SUBMITTER: Aarts M 

PROVIDER: S-EPMC8846379 | biostudies-literature | 2022 Feb

REPOSITORIES: biostudies-literature