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Electrochemical behavior of two-electron redox processes by differential pulse techniques at microelectrodes

Journal of Physical Chemistry C, ISSN: 1932-7447, Vol: 116, Issue: 1, Page: 1070-1079
2012
  • 8
    Citations
  • 0
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  • 15
    Captures
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    8
    • Citation Indexes
      8
  • Captures
    15

Article Description

The application of differential pulse techniques (differential double pulse, differential multipulse, and differential normal pulse voltammetries) to the study of two-electron redox processes is carried out. The characterization of these requires the determination of the difference between the formal potentials of the electron transfer steps, which may reflect the interactions between the two different redox centers in the electroactive molecule. A new theory is developed for disk electrodes generating very simple analytical equations applicable to any electrode size and any double pulse technique. The influence of the technique parameters (pulse amplitude, pulse times) and the electrode geometry are examined. Procedures for the determination of the formal potentials are proposed from the values of the peak height and the half-peak width. © 2011 American Chemical Society.

Bibliographic Details

A. Molina; J. Gonzalez; E. Laborda; Q. Li; C. Batchelor-McAuley; R. G. Compton

American Chemical Society (ACS)

Materials Science; Energy; Chemistry

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