Citation: 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. doi: S1872-2067(19)63309-7 shu

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

Key Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai 200234, China

Received Date: 30 December 2018
Revised Date: 19 January 2019

Fund Project: This work was supported by the National Natural Science Foundation of China (21876114, 21761142011, 51572174), Shanghai Government (17SG44), International Joint Laboratory on Resource Chemistry (IJLRC), and Ministry of Education of China (PCSIRT_IRT_16R49). Research is also supported by The Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning and Shuguang Research Program of Shanghai Education Committee.

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.
- Ordered mesoporous TiO₂,
- Iron doping,
- Photo-Fenton,
- Photocatalysis
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Ordered mesoporous Fe/TiO2 with light enhanced photo-Fenton activity

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