Ordered mesoporous Fe/TiO2 with light enhanced photo-Fenton activity

doi:10.1016/S1872-2067(19)63309-7

Abstract

Abstract:

Ordered mesoporous Fe/TiO₂ was prepared by an evaporation-induced self-assembly method. The iron ions were in situ embedded in the pore wall of the TiO₂ framework. The catalyst has excellent light-assisted Fenton catalytic performance under UV and visible light irradiation. X-ray diffraction and transmission electron microscopy results showed that the TiO₂ samples have an ordered two-dimensional hexagonal pore structure and an anatase phase structure with high crystallinity. The ordered pore structure of the TiO₂ photocatalyst with a large specific surface area is beneficial to mass transfer and light harvesting. Furthermore, iron ions can be controlled by embedding them into the TiO₂ framework to prevent iron ion loss and inactivation. After five cycles, the reaction rate of the ordered mesoporous Fe/TiO₂ remained unchanged, indicating that the material has stable performance and broad application prospects for the purification of environmental pollutants.

Key words: Ordered mesoporous TiO₂, Iron doping, Photo-Fenton, Photocatalysis

Zhenmin Xu, Ru Zheng, Yao Chen, Jian Zhu, Zhenfeng Bian. Ordered mesoporous Fe/TiO₂ with light enhanced photo-Fenton activity[J]. Chinese Journal of Catalysis, 2019, 40(5): 631-637.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(19)63309-7

https://www.cjcatal.com/EN/Y2019/V40/I5/631

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Ordered mesoporous Fe/TiO₂ with light enhanced photo-Fenton activity

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