Preparation, Characterization, and Photocatalytic Property of N-La Co-Doped TiO2 with Visible Light Response

Gui Hua Li; An Feng Wang

doi:10.4028/www.scientific.net/AMR.529.537

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 529Preparation, Characterization, and Photocatalytic...

Preparation, Characterization, and Photocatalytic Property of N-La Co-Doped TiO₂with Visible Light Response

Abstract:

N-La co-doped TiO2 has been synthesized via sol-gel process. The XRD result showed that the structure of N-La co-doped TiO2 was anatase. Their performance of photocatalytic degradation of methylene blue under visible light were investigated. The combined effects of catalyst compsition, calcination temperature, catalyst amount and reaction temperature on catalyst activity were investigated. Experiment results depicted that activeness of catalyst N2.5La0.5/TiO2 calcinated at 500°C for 2h was highest. Using this catalyst, when the catalyst amount was 0.35 g/L, the reaction temperature was 40°C the degradation rate of mehylene blue in 4h could reach 96.5%.