Five slide on cyclic voltammetry Chip Nataro Lafayette College

Experimental setup Auxiliary electrode Working electrode Stir bar Inert gas inlet Reference electrode

Experimental control Initial, switching and final potentials Scan rate Number of sweeps Concentrations Temperature Electrodes

General experiment

Simple electrode mechanisms Reversible oxidation

Cyclic voltammogram

E pa E pc Peak separation = E pa - E pc E o = (E pa + E pc )/2

Simple electrode mechanisms Reversible oxidation Chemically irreversible oxidation

Cyclic voltammogram S. L. Martinak, L. A. Sites, S. J. Kolb, K. M. Bocage, W. R. McNamara, A. L. Rheingold, J. A. Golen and C. Nataro, J. Organomet. Chem. 2006, 691, 3627.

Simple electrode mechanisms Reversible oxidation Chemically irreversible oxidation Chemically reversible oxidation

Cyclic voltammogram J. H. L. Ong, C. Nataro, J. A. Golen, and A. L. Rheingold, Organometallics, 2003, 22, 5027.

Additional sources Geiger, W. E. Organometallics 2008, 26, Mabbott, G. A. J. Chem. Educ. 1983, 60, 697. Van Benschoten, J. J.; Lewis, J. Y.; Heineman, W. R.; Roston, D. A.; Kissinger, P. T. J. Chem. Educ. 1983, 60, 772. Geiger, W. E. in Laboratory Techniques in Electroanalytical Chemistry, 2 nd Ed., Kissinger, P. T., Heineman, W. R. Eds.; Marcel Dekker, Inc.: New York, 1996, 683.