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Experimental Validation of Marcus Theory for Outer‐Sphere Heterogeneous Electron‐Transfer Reactions: The Oxidation of Substituted 1,4‐Phenylenediamines

Antony D. Clegg, Neil V. Rees, Oleksiy V. Klymenko, Barry A. Coles, Richard G. Compton

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Abstract

Rate constants depend on molecular size: Results are presented to validate the relationship between molecular size and the standard electrochemical rate constant predicted by Marcus theory (see graphic). Measurement of hydrodynamic radii and electron-transfer rates for substituted 1,4-phenylenediamines have been made under steady-state conditions using both hydrodynamic and stationary electrodes.

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Rate constants depend on molecular size: Results are presented to validate the relationship between molecular size and the standard electrochemical rate constant predicted by Marcus theory (see graphic). Measurement of hydrodynamic radii and electron-transfer rates for substituted 1,4-phenylenediamines have been made under steady-state conditions using both hydrodynamic and stationary electrodes.

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Available abstract

Rate constants depend on molecular size: Results are presented to validate the relationship between molecular size and the standard electrochemical rate constant predicted by Marcus theory (see graphic). Measurement of hydrodynamic radii and electron-transfer rates for substituted 1,4-phenylenediamines have been made under steady-state conditions using both hydrodynamic and stationary electrodes.

Key concepts: Marcus theory, Electron transfer, Reaction rate constant, Electrochemistry, Chemistry, Electrode, Transfer (computing), Thermodynamics

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Experimental Validation of Marcus Theory for Outer‐Sphere Heterogeneous Electron‐Transfer Reactions: The Oxidation of Substituted 1,4‐Phenylenediamines — Research Paper | ScholarLens