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Scanning electrochemical microscopy: diffusion controlled approach curves for conical AFM-SECM tips

Leonhardt, Kelly, Avdic, Amra, Lugstein, Alois, Pobelov, Ilya, Wandlowski, Thomas, Gollas, Bernhard and Denuault, Guy (2013) Scanning electrochemical microscopy: diffusion controlled approach curves for conical AFM-SECM tips Electrochemistry Communications, 27, pp. 29-33. (doi:10.1016/j.elecom.2012.10.034).

Record type: Article


The diffusion controlled response of conical AFM-SECM probes is presented. Accurate expressions are given which describe the dependence of the probe current on the tip radius and aspect ratio, insulating sheath radius and tip–substrate distance for positive feedback and hindered diffusion. A procedure is proposed to determine the tip dimensions from the experimental approach curves.

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Published date: February 2013
Keywords: SECM AFM Conical electrode Approach curve Diffusion control
Organisations: Electrochemistry


Local EPrints ID: 345912
ISSN: 1388-2481
PURE UUID: b39217d0-3259-487e-89f2-064d0e3326cb
ORCID for Guy Denuault: ORCID iD

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Date deposited: 05 Dec 2012 15:34
Last modified: 18 Jul 2017 05:07

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Author: Kelly Leonhardt
Author: Amra Avdic
Author: Alois Lugstein
Author: Ilya Pobelov
Author: Thomas Wandlowski
Author: Bernhard Gollas
Author: Guy Denuault ORCID iD

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