Abstract
Metallic platinum and indium oxide codoped titania nanotubes were fabricated by multicomponent assembly combined with solvothermal treatment. The prepared Pt/In2O3–TiO2 nanotubes exhibited anatase phase with homogeneously dispersed metallic Pt nanoparticles. The material was used as a novel photocatalyst to degrade an aquous phthalate ester under the simulated sunlight irradiation, and the enhanced photocatalytic activity in comparison to In2O3–TiO2 and TiO2 nanotubes as well as Pt/In2O3–TiO2 nanoparticles was obtained. The enhanced photocatalytic activity is explained in terms of efficient separation of the photogenerated electrons and holes due to the introduction of In2O3 and Pt as well as the nanotubular geometries.
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