Analytical expressions for quantitative scanning electrochemical microscopy (SECM)

C Lefrou, R Cornut - ChemPhysChem, 2010 - Wiley Online Library
Scanning electrochemical microscopy (SECM), is a recent analytical technique in
electrochemistry, which was developed in the 1990s and uses microelectrodes to probe …

A unified new analytical approximation for positive feedback currents with a microdisk SECM tip

C Lefrou - Journal of Electroanalytical Chemistry, 2006 - Elsevier
Analytical approximations for steady-state positive feedback currents in scanning
electrochemical microscopy (SECM) experiments using a microdisk are discussed. The use …

A unified new analytical approximation for negative feedback currents with a microdisk SECM tip

R Cornut, C Lefrou - Journal of Electroanalytical Chemistry, 2007 - Elsevier
Analytical approximations for steady-state negative feedback currents in scanning
electrochemical microscopy (SECM) experiments using a microdisk are discussed. A …

Scanning electrochemical microscopy. Theory of the feedback mode for hemispherical ultramicroelectrodes: steady-state and transient behavior

Y Selzer, D Mandler - Analytical chemistry, 2000 - ACS Publications
This contribution represents the first comprehensive attempt to treat complex geometry
configurations of the scanning electrochemical microscope (SECM) using the alternating …

[PDF][PDF] Scanning electrochemical microscopy

TF Current - J. Electrochem. Soc, 1991 - bard.cm.utexas.edu
The dependence of the SECM feedback current on finite heterogeneous electron-transfer
(et) kinetics at the substrate electrode was examined by experimental studies of the redu …

Scanning electrochemical microscopy: VII. Effect of heterogeneous electron‐transfer rate at the substrate on the tip feedback current

DO Wipf, AJ Bard - Journal of the Electrochemical Society, 1991 - iopscience.iop.org
The dependence of the SECM feedback current on finite heterogeneous electron-transfer
(et) kinetics at the substrate electrode was examined by experimental studies of the …

New analytical approximation of feedback approach curves with a microdisk SECM tip and irreversible kinetic reaction at the substrate

R Cornut, C Lefrou - Journal of Electroanalytical Chemistry, 2008 - Elsevier
Available approximate expressions used in the kinetic data treatment of (scanning
electrochemical microscopy) SECM experiments in the case of steady-state feedback …

Scanning electrochemical microscopy: theory and application of the transient (chronoamperometric) SECM response

AJ Bard, G Denuault, RA Friesner… - Analytical …, 1991 - ACS Publications
Previous papers have described the theory (1-3) and ap-plications (4-12) of the scanning
electrochemical microscope (SECM) operating in the steady-state current regime. The tip …

Scanning electrochemical microscopy: theory and experiment for the positive feedback mode with unequal diffusion coefficients of the redox mediator couple

RD Martin, PR Unwin - Journal of Electroanalytical Chemistry, 1997 - Elsevier
Theory for the chronoamperometric positive feedback mode of the scanning electrochemical
microscope (SECM) is extended to include the situation where the oxidised and reduced …

Scanning electrochemical microscopy (SECM): An investigation of the effects of tip geometry on amperometric tip response

JL Amphlett, G Denuault - The Journal of Physical Chemistry B, 1998 - ACS Publications
Transient and steady-state amperometric tip responses were simulated with an alternating
direction implicit algorithm. Compared with previous publications, the simulation domain …