Journal
JOURNAL OF CATALYSIS
Volume 370, Issue -, Pages 265-273Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2018.12.023
Keywords
Photocatalysis; BiOCl; H2O2 activation; Doping; AOPs
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Funding
- National Natural Science Foundation of China [21671153, 21601141]
- Department of Education of Hubei Province under the Project of Science and Technology Innovation Team of Outstanding Young and Middle-aged Scientists [T201606]
- Open Research Fund of the State Key Laboratory of Inorganic Synthesis and Preparative Chemistry (Jilin University) [2017-02]
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BiOCl hierarchical nanostructures with trace amount of Fe doping (similar to 1 wt%) have been successfully prepared via a facile one-step room temperature method, which exhibits enhanced photocatalytic activity for the degradation of methyl blue (MB) under visible light irradiation. It is found that the photocatalysis of the Fe-doped BiOCl undergoes a hydroxyl radicals dominated photo-Fenton process. XRD, XPS and EDS data reveals that the doped Fe ions exist in the lattice of BiOCl by replacing the Bi atoms. The presence of Fe not only extends the solar energy response of the material from 350 to 600 nm by creating a new energy level in the forbidden band of BiOCl, but also alters the chemical state of the surface, resulting in the electron flowing favorably to H2O2 rather than oxygen molecular in aqueous solution. (C) 2018 Elsevier Inc. All rights reserved.
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