Journal
MATERIALS
Volume 7, Issue 5, Pages 4034-4044Publisher
MDPI
DOI: 10.3390/ma7054034
Keywords
magnetic photocatalysts; synthesis; TiO2; visible-light irradiation
Categories
Funding
- National Natural Science Foundation of China [21071002, 21275006, 21271152, 21374108]
- Anhui Provincial Natural Science Foundation [1408085QB28]
- Anhui Provincial Education Department [KJ2013A029]
- Anhui University
- Recruitment Program of Global Experts
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Recyclable visible-light photocatalyst Fe3O4@TiO2 with core-shell structure was prepared by a simple synthetic strategy using solvothermal crystallization of titanium precursor on preformed Fe3O4 nanopartiles. The photo-degradation reaction of neutral red aqueous solution was tested to evaluate the visible-light photocatalytic activity of the as prepared Fe3O4@TiO2 nanoparticles, which show excellent photocatalytic activity compared with commercial P25 catalyst. Moreover, the Fe3O4@TiO2 nanocomposites can be easily separated from the reaction mixture, and maintain favorable photocatalytic activity after five cycles. The high visible light absorption of the Fe3O4@TiO2 nanocomposites may originate from the absence of electronic heterojunction, excellently dispersity and the high specific surface area of the as-synthesized Fe3O4@TiO2 samples.
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