Published August 1997
| public
Journal Article
Photoelectrochemical Degradation of 4-Chlorocatechol at TiO₂ Electrodes: Comparison between Sorption and Photoreactivity
Abstract
The TiO₂-catalyzed photodegradation of a strongly adsorbing substrate, 4-chlorocatechol, has been investigated as a function of solution concentration and pH at illuminated polycrystalline TiO₂ electrodes operated at a constant current density. The results are compared to the previously determined sorption behavior of 4-chlorocatechol. The initial rates of 4-chlorocatechol photodegradation measured at pH 3, 5, and 8 and solution concentrations of 20, 50, and 200 μM show a linear correlation with the concentration of the sorbed substrate.
Additional Information
© 1997 American Chemical Society. Received for review October 14, 1996. Revised manuscript received April 10, 1997. Accepted April 21, 1997. Publication Date (Web): July 30, 1997. We are grateful to ARPA and ONR (NAV 5 HFMN N0001492J1901) for financial support. J.M.K. acknowledges NSF for a predoctoral fellowship. We would also like to acknowledge our earlier collaboration with Dr. Scot T. Martin.Additional details
- Eprint ID
- 59517
- Resolver ID
- CaltechAUTHORS:20150814-081851276
- Advanced Research Projects Agency (ARPA)
- Office of Naval Research (ONR)
- NAV 5 HFMN N0001492J1901
- NSF Predoctoral Fellowship
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