Publication: Behavior of bromide in the photoelectrocatalytic process and bromine generation using nanoporous titanium dioxide thin-film electrodes
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Elsevier BV
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Abstract
In this study, the photoelectrocatalytic behavior of bromide and generation of bromine using TiO2 was investigated in the separate anode and cathode reaction chambers. Our results show that the generation of bromine begins around a flatband potential of -0.34 V vs. standard calomel electrode (SCE) at pH 3.0 under UV illumination and increases with an increase in positive potential, finally reaching a steady-state concentration at 1.0 V vs. SCE. Maximum bromine formation occurs over the range of pH 4-6, decreasing sharply at conditions where the pH>7.
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Journal or Series
Chemosphere
ISSN
0045-6535
ISBN
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CLOSED
Keywords
chemical reaction, Bromides, ultraviolet radiation, porosity, synthesis, oxidation, Thin films, bromine, Photoelectrocatalytic, film, Standard calomel electrodes (SCE), reactor, Catalysis, Photoelectricity, electric potential, Electrochemistry, steady state, Electrodes, bromide, Titanium, photochemistry, concentration (parameters), pH, illumination, Nanostructured materials, water treatment, electrode, technique, Hydrogen-Ion Concentration, Bromine, reaction analysis, pH effects, mercurous chloride, Kinetics, concentration response, chemical analysis, Catalyst activity, Titanium dioxide, photocatalysis, Bromine generation, Bromine compounds