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Efficient Complete Oxidation of Acetaldehyde into CO<sub>2</sub> over CuBi<sub>2</sub>O<sub>4</sub>/WO<sub>3</sub> Composite Photocatalyst under Visible and UV Light Irradiation
327
Citations
12
References
2007
Year
Materials ScienceChemical EngineeringP−n Photochemical DiodeVisible LightN-type Semiconductor Wo3PhotochemistryEngineeringInorganic PhotochemistryPhotoredox ProcessEfficient Complete OxidationPhotocatalysisSynthetic PhotochemistryPhoto-electrochemical CellCatalysisChemistryPhotoelectrocatalysisPhotoelectrochemistryUv Light Irradiation
A highly efficient and visible light responsive photocatalyst was developed by combining the p-type semiconductor CuBi2O4 and the n-type semiconductor WO3. CuBi2O4/WO3 showed higher reactivity than typical TiO2-based photocatalysts for the complete oxidation of acetaldehyde into CO2 under both UV and visible light. From photoelectrochemical measurements, the reaction mechanism is explained based on the model of the p−n photochemical diode for reductivity/oxdizability improvement.
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