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Chronoamperometric Current at Ultramicroelectrodes: Padé Approximation for a Reversible Electron Transfer Scheme
Author(s) -
Rajendran L.,
Nallaswamy R.
Publication year - 1998
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/(sici)1521-4109(199806)10:7<506::aid-elan506>3.0.co;2-j
Subject(s) - padé approximant , planar , current (fluid) , electron transfer , ring (chemistry) , ultramicroelectrode , transient (computer programming) , solution of schrödinger equation for a step potential , electron , transfer (computing) , chemistry , electrode , atomic physics , materials science , electrochemistry , physics , mathematical analysis , mathematics , thermodynamics , quantum mechanics , computer science , cyclic voltammetry , computer graphics (images) , organic chemistry , parallel computing , operating system
The transient current pertaining to potential step experiments for reversible electron transfer reactions is analysed for rotationally symmetric ultramicroelectrodes of planar geometries. A two‐point Pade´ approximant valid for entire time domain is derived for disk and ring geometries. Current function estimates are provided for various ring dimensions.