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Chemistry

Using Cyclic Voltammetry to Probe Electron Transfer Mechanisms

Quick fact

In cyclic voltammetry, the separation between the anodic and cathodic peak potentials is exactly 57 mV for a fast, reversible one-electron transfer at 25 °C, but larger separations indicate slower electron transfer kinetics.

Why this is interesting

Imagine you have a molecule that either gives or take an electron. How can you tell if it does so quickly or slowly, and even measure how fast?