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Wu J.,Midwest Universities Comprehensive Strength Promotion Project | Song Y.,Midwest Universities Comprehensive Strength Promotion Project | Han B.,Midwest Universities Comprehensive Strength Promotion Project | Wei J.,Midwest Universities Comprehensive Strength Promotion Project | And 2 more authors.
RSC Advances | Year: 2015

The upconversion luminescence agents Y2SiO5:Pr3+, Li+, that can be effectively excited by the blue light from a xenon lamp 150 W with grating as its light splitter, are fabricated by a hydrothermal method with mesoporous molecular sieves of MCM-48 as the suitable silica source. The obtained emission spectra of Y2SiO5:Pr3+, Li+ and Y2SiO5:Pr3+, Li+/TiO2 excited by a xenon lamp indicate that the UV upconversion luminescence of Pr3+ can be effectively transferred to TiO2. The photocatalytic performances of Y2SiO5:Pr3+, Li+/TiO2 are evaluated by the degradation of methylene blue upon xenon lamp irradiation. The degradation rate of the methylene blue with Y2SiO5:Pr3+, Li+/TiO2 is 14 times as high as that with only TiO2. © The Royal Society of Chemistry 2015. Source

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