Download - Five slide on cyclic voltammetry
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Five slide on cyclic voltammetry
Chip Nataro
Lafayette College
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Experimental setup
Auxiliary electrode
Workingelectrode
Stir bar
Inert gas inlet
Referenceelectrode
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Experimental control
Initial, switching and final potentials Scan rate Number of sweeps Concentrations Temperature Electrodes
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General experiment
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Simple electrode mechanisms Reversible oxidation
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Cyclic voltammogram
Fe
Fe
Fe
+
Fe
+
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Cyclic voltammogram
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Cyclic voltammogram
Epa
Epc
Peak separation = Epa - Epc
Eo = (Epa + Epc)/2
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Simple electrode mechanisms Reversible oxidation
Chemically irreversible oxidation
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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.
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Simple electrode mechanisms Reversible oxidation
Chemically irreversible oxidation
Chemically reversible oxidation
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Cyclic voltammogram
J. H. L. Ong, C. Nataro, J. A. Golen, and A. L. Rheingold, Organometallics, 2003, 22, 5027.
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Additional sources Geiger, W. E. Organometallics 2008, 26, 5738.
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, 2nd Ed., Kissinger, P. T., Heineman, W. R. Eds.; Marcel Dekker, Inc.: New York, 1996, 683.