Photocatalytic Degradation of Dye Pollutant Acid Yellow-17 by La Doped TiO2/Indium-Tin Oxide Thin Layer Photocatalytic Electrode
Corresponding Author(s) : Wei-Fu Wang
Asian Journal of Chemistry,
Vol. 25 No. 17 (2013): Vol 25 Issue 17 page 9989-9993
La-doped TiO2 photocatalytic electrode has been successfully synthesized using tetraisopropyl orthotitanate, isopropyl alcohol, acetic acid and La2O3 as precursors by sol-gel method. Different molar raitos of La/Ti were supported on indium-tin oxide glass to product photocatalytic electrodes. All catalysts have been further characterized by using XRD, XPS and contact angle analysis. The La/Ti molar ratio 0.05 photocatalytic electrode shows the best decolorzation and mineralization rate after 4 h reaction. Applied potential would effectively increase the decolorization rate under visible light irradiation.
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