A novel combination of an electrochemical quartz crystal microbalance and a scanning electrochemical microscope
Bartlett, P.N., Denuault, G. and Gollas, A. (1999) A novel combination of an electrochemical quartz crystal microbalance and a scanning electrochemical microscope. In, Leddy, J., Vanysek, P. and Porter, M.D. (eds.) New Direction in Electroanalytical Chemistry II. Symposium on New Directions in Electroanalytical Chemistry II Pennington, NJ, Electrochemical Society, 109-115.
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Description/Abstract
A novel combination of an electrochemical quartz crystal microbalance and a scanning electrochemical microscope has been built. The EQCM allows rapid in-situ measurement of the modulus of the crystal's transfer function. Data analysis in the complex plane for the Butterworth-Van Dyke (BVD) equivalent circuit yields the real and the imaginary components R (dampening resistance) and XL (reactive inductance) of the crystal's electroacoustic impedance around its resonance frequency of 10 MHz. If a big change in R is observed during a redox reaction of a non-rigid film, it has been shown previously, that mass changes cannot be distinguished from viscoelastic changes. In this case additional information on ion fluxes across the film/solution interface can be provided by an SECM incorporated into the instrument. This capability is demonstrated with the potentiodynamic deposition and dissolution of a Cu film from a Cu(I) solution.
| Item Type: | Book Section |
|---|---|
| Additional Information: | 5 BN35V |
| ISBNs: | 1566772273 (hardback) 9781566772273 (hardback) |
| Keywords: | liquids, profile |
| Subjects: | Q Science > QD Chemistry T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | University Structure - Pre August 2011 > School of Chemistry |
| Item ID: | 179239 |
| Date Deposited: | 07 Apr 2011 09:07 |
| Last Modified: | 02 Mar 2012 13:38 |
| Contributors: | Bartlett, P.N. (Author) Denuault, G. (Author) Gollas, A. (Author) Leddy, J. (Editor) Vanysek, P. (Editor) Porter, M.D. (Editor) |
| Date: | September 1999 |
| Additional Information: | 5 BN35V |
| Status: | Published |
| Publisher: | Electrochemical Society |
| URI: | http://eprints.soton.ac.uk/id/eprint/179239 |
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