Shi, Minglian and Anson, Fred C. (1997) Non-Steady-State Rotating Disk Voltammetry of Redox Couples Incorporated in Perfluorsulfonated Ionomer Coatings on Electrodes. Analytical Chemistry, 69 (14). pp. 2661-2668. ISSN 0003-2700. doi:10.1021/ac9701389. https://resolver.caltech.edu/CaltechAUTHORS:20170905-092129135
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Abstract
The differences in the affinity of Nafion coatings for Ru(NH_3)_6^(3+/2+) and Os(bpy)_3^(3+/2+) counterions and the difference in the mobilities of the two types of cations within Nafion are used to explain the differences in the voltammetric signatures that they exhibit. A new method is proposed with which to determine whether apparent diffusion coefficients of electroactive counterions in electrode coatings differ when they are evaluated in transient or in steady-state experiments. The utility of non-steady-state cyclic voltammetry with Nafion-coated rotating disk electrodes to separate the contribution to the observed current from dissolved and Nafion-confined reactants is demonstrated.
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| Additional Information: | © 1997 American Chemical Society. Received for review February 5, 1997. Accepted April 30, 1997. Publication Date (Web): July 15, 1997. This work was supported by the National Science Foundation. Dr. Iqbal Bhugun was a consistent source of insightful comments and helpful suggestions. | |||||||||
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| Issue or Number: | 14 | |||||||||
| DOI: | 10.1021/ac9701389 | |||||||||
| Record Number: | CaltechAUTHORS:20170905-092129135 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20170905-092129135 | |||||||||
| Official Citation: | Non-Steady-State Rotating Disk Voltammetry of Redox Couples Incorporated in Perfluorsulfonated Ionomer Coatings on Electrodes. Minglian Shi and Fred C. Anson Analytical Chemistry 1997 69 (14), 2661-2668 DOI: 10.1021/ac9701389 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 81127 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 05 Sep 2017 19:34 | |||||||||
| Last Modified: | 15 Nov 2021 19:41 |
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