Search results for "MineralsIrradiation"

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Photocatalytic Degradation of 4-Nitrophenol in Aqueous Suspension by Using Polycrystalline TiO2 Impregnated with Lanthanide Double-Decker Phthalocyan…

2007

The photocatalytic activity of polycrystalline TiO2 samples impregnated with rare-earth-metal diphthalocyanines was investigated. The 4-nitrophenol (4-NP) photocatalytic degradation in aqueous suspension was used as a probe reaction. Commercial anatase TiO2 was impregnated with home-prepared double-decker phthalocyanine complexes of the lanthanide metals, such as Ce, Pr, Nd, Sm, Ho, and Gd. In particular, the impregnation with Ho, Sm, and Nd complexes, acting as sensitizers, proved beneficial for the photoactivity of the studied systems. Significant improvements of the TiO2-based catalytic system appeared possible in terms of lower impregnation loading, enhanced photoreactivity under solar …

LanthanideAnataseMaterials scienceInorganic chemistryPhthalocyanineOxides4-NitrophenolDecompositionSurfaces Coatings and FilmsElectronic Optical and Magnetic MaterialsCatalysischemistry.chemical_compoundGeneral EnergychemistryPhotocatalystsMineralsIrradiationPhotocatalysisPhthalocyanineCrystallitePhysical and Theoretical ChemistryThe Journal of Physical Chemistry C

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