EIS at carbon fiber cylindrical microelectrodes

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dc.contributor.authorLandon-Lane, Leatham
dc.contributor.authorMarshall, Aaron T.
dc.contributor.authorHarrington, David A.
dc.date.accessioned2020-01-27T00:09:04Z
dc.date.available2020-01-27T00:09:04Z
dc.date.copyright2019en_US
dc.date.issued2019
dc.description.abstractThe theoretical mass-transport impedance at cylindrical microelectrodes has been known for some time, but an experimental verification is given here for the first time, using carbon fiber electrodes taken from a commercial carbon felt. Nonlinear least-squares fitting of the impedance spectrum of a redox couple at the reversible potential enables accurate evaluation of a composite parameter containing the standard rate constant and mean diffusivity, without measuring the fiber diameter, length or area.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipFinancial support is acknowledged from the Natural Sciences and Engineering Council of Canada (Discovery Grant RGPIN-2017-04045) and the University of Canterbury (PhD scholarship for L. Landon-Lane).en_US
dc.identifier.citationLandon-Lane, L., Marshall, A.T. & Harrington, D.A. (2019). EIS at carbon fiber cylindrical microelectrodes. Electrochemistry Communications, 109, 106566. https://doi.org/10.1016/j.elecom.2019.106566en_US
dc.identifier.urihttps://doi.org/10.1016/j.elecom.2019.106566
dc.identifier.urihttp://hdl.handle.net/1828/11516
dc.language.isoenen_US
dc.publisherElectrochemistry Communicationsen_US
dc.subjectMass transport impedance
dc.subjectCylindrical diffusion
dc.subjectCarbon fiber
dc.subjectMicroelectrode
dc.subjectEIS
dc.subject.departmentDepartment of Chemistry
dc.titleEIS at carbon fiber cylindrical microelectrodesen_US
dc.typeArticleen_US

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