Preparation of N-Ce Co-Doped TiO2 Nanopaticles and their Photocatalytic Performance under Visible Light

Gui Hua Li; An Feng Wang

doi:10.4028/www.scientific.net/AMR.457-458.1035

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 457-458Preparation of N-Ce Co-Doped TiO2 Nanopaticles and...

Preparation of N-Ce Co-Doped TiO₂ Nanopaticles and their Photocatalytic Performance under Visible Light

Abstract:

In this present work, N-Ce co-doped TiO₂ nanopaticles were prepared via sol-gel process and characterized by TG - DTA and XRD. Their performance of photocatalytic degradation of methylene blue under visible light were investigated. N-Ce co-doped TiO₂ appeared to be somewhat more efficient than the starting TiO₂. The effects of catalyst compsition, catalyst amount, reaction temperature and solution pH on their photocatalytic activity towards methylene blue were studied and discussed. Experiment results depicted that activeness of catalyst N_0.4Ce_0.06/TiO₂ was highest. Using this catalyst, when the catalyst amount was 0.3 g/L，the reaction temperature was 40 °C and pH of the solution was 9.0 the degradation rate of mehylene blue in 4h could reach 94.00%.