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La-modified mesoporous TiO2 nanoparticles with enhanced photocatalytic activity for elimination of VOCs

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Abstract

La-modified mesoporous TiO2 were synthesized via a sol–gel route using Pluronic P123 as template. The XRD and TEM results show that La loading favors the formation of anatase with smaller crystal size. The photocatalytic activity of the mesoporous anatase was tested in photocatalytic elimination of VOCs. The photocatalysts exhibited higher activity than that of the commercial photocatalyst (Degussa, P25) under either ultraviolet or visible light irradiation. The superior activity of the mesoporous anatase may be attributed to the synergic effects of the surface area, crystal size and loaded La species.

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Acknowledgments

The Project was supported by Special and Key Laboratory of Functional Materials and Resource chemistry of Guizhou Provincial Education Department (GAFMRC201302), the joint funds of department of science & technology of Guizhou province, people’s government of Anshun city and Anshun university (LH[2014]7499), and National Natural Science foundation (Project No. 51302080) of China.

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Authors and Affiliations

  1. Special and Key Laboratory of Functional Materials and Resource Chemistry of Guizhou Provincial Education Department, Anshun University, Anshun, 561000, People’s Republic of China

    Xiao-Miao Chen & Zheng-Jun Liu

  2. College of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, People’s Republic of China

    Jian-Ting Tang, Chun-Lin Teng, Tie-Jun Cai & Qian Deng

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  1. Xiao-Miao Chen
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  2. Zheng-Jun Liu
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  3. Jian-Ting Tang
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Correspondence to Qian Deng.

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Chen, XM., Liu, ZJ., Tang, JT. et al. La-modified mesoporous TiO2 nanoparticles with enhanced photocatalytic activity for elimination of VOCs. J Porous Mater 22, 361–367 (2015). https://doi.org/10.1007/s10934-014-9904-6

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  • DOI: https://doi.org/10.1007/s10934-014-9904-6

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