Waveguide surface plasmon resonance sensor for electrochemically controlled surface reactions
Abanulo, Jude C., Harris, Richard D., Bartlett, Philip N. and Wilkinson, James S. (2001) Waveguide surface plasmon resonance sensor for electrochemically controlled surface reactions. Applied Optics, 40, (34), 6242-6245.
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Official URL: http://www.opticsinfobase.org/abstract.cfm?URI=ao-...
Description/Abstract
Electrochemical oxidation of the surface of a thin gold film overlaid on an optical waveguide and placed in a cell containing sulfuric acid is monitored by integrated optical surface plasmon resonance (IOSPR) combined with cyclic voltammetry. Waveguide transmittance correlates well with the charge transferred to and from the electrode to oxidize and reduce the surface, with a 60% reduction in transmittance being observed for complete formation of the surface oxide. IOSPR sensors combined with electrochemical measurement and control show potential for sensitive and robust integrated multisensors for electroactive species.
| Item Type: | Article |
|---|---|
| ISSN: | 0003-6935 (print) |
| Uncontrolled Keywords: | noble-metals, oxide film |
| Related URLs: | http://www.opticsinfobase.org/...40-34-6242 |
| Subjects: | R Medicine > RE Ophthalmology T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QD Chemistry Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre University Structure - Pre August 2011 > School of Chemistry |
| ePrint ID: | 19370 |
| URI: | http://eprints.soton.ac.uk/id/eprint/19370 |
| Deposited On: | 13 Feb 2006 |
| Last Modified: | 01 Jun 2011 09:33 |
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