Abstract:Photoelectrocatalytic oxidation of methyl orange on TiO2 films were investigated in KNO3 solution. In the potential range up to 1.2 V, electro-degradation rates were fairly low that was less than 1%. Degradation rates on the two films were larger at higher potentials. The film prepared without PEG showed better activities than the film prepared with PEG during the whole range of potential. Methyl orange degradation rate increased with increasing KNO3 concentration from 0 to 0.010 mol/l. After 120 min of irradi… Show more
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