Bulletin of the Chemical Society of Japan · 2019 · 10 citations · 36 references
Natural SciencesMaterials EngineeringMaterials ScienceInorganic ChemistryMaterials ChemistrySurface ScienceCatalytic MaterialsIndustrial CatalysisMetal Oxide NanomaterialsMetal OxidesPhotocatalysisPhotochemistryDye DegradationMetal-organic Framework PhotocatalystsOrganic Pollutant DegradationPhotocatalytic MaterialsPorositySpecific Surface AreaTitanium Dioxide PhotocatalysisVisible-light Photocatalysis
Abstract Two of the biggest limitations for titanium dioxide (TiO2) as a photocatalysis are the lack of visible light response and the need for higher surface areas in order to maximize sites where reactions can take place. In this work, a Metal-Organic Framework (MOF), specifically MIL-125, is employed as a template to produce TiO2 particles with high specific surface area and well-controlled porosity. When annealed under a hydrogen atmosphere to create an oxygen deficient TiO2−δ, which is black in appearance, enhanced photocatalytic properties are observed, importantly including a significant visible light response in the degradation of model pollutant Rhodamine B.
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