Journal
PHOTOCHEMISTRY AND PHOTOBIOLOGY
Volume 94, Issue 3, Pages 512-520Publisher
WILEY
DOI: 10.1111/php.12873
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Funding
- National Natural Science Foundation of China [61604110]
- Key Technology RAMP
- D Program of Hubei Province [2015BCA253]
- China Postdoctoral Science Foundation [2015M572210, 2016M602376]
- Natural Science Foundation of Hubei Provincial China [2016CFB297]
- Department of Education Science Research Program of Hubei Province [Q20161110]
- Open Foundation of Key Laboratory of Green Chemical Process (Wuhan Institute of Technology), Ministry of Education [NRGCT201503]
- Training Programs of Innovation and Entrepreneurship for Undergraduates of Province [201510488022]
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The hierarchical porous heterostructured MIL-125/TiO2@SiO2 composites are successfully obtained by biogenic-templated method using rice husk both as biomorphic. The products are characterized by X-ray diffraction, N-2-adsorption-desorption analysis, scanning electron microscopy and Fourier transform infrared spectroscopy. The results reveal that MIL-125/TiO2@SiO2 possesses a hierarchical porous structure in scale from micrometer to nanometer with high Brunauer-Emmett-Teller (BET) surface area (385.7-902.7 m(2) g(-1)). The photocatalytic mechanism was discussed in detail. Meanwhile, the activity of MIL-125/TiO2@SiO2 for the photocatalytic degradation of rhodamine B in aqueous medium is significantly higher than that of P25. The current work provides some concept and methods in the development of MOF-based photocatalysts.
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