Abstract: 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.
Keywords: magnetic photocatalysts; synthesis; TiO2; visible-light irradiation
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Niu, H.; Wang, Q.; Liang, H.; Chen, M.; Mao, C.; Song, J.; Zhang, S.; Gao, Y.; Chen, C. Visible-Light Active and Magnetically Recyclable Nanocomposites for the Degradation of Organic Dye. Materials 2014, 7, 4034-4044.
Niu H, Wang Q, Liang H, Chen M, Mao C, Song J, Zhang S, Gao Y, Chen C. Visible-Light Active and Magnetically Recyclable Nanocomposites for the Degradation of Organic Dye. Materials. 2014; 7(5):4034-4044.
Niu, Helin; Wang, Qinmin; Liang, Hongxia; Chen, Min; Mao, Changjie; Song, Jiming; Zhang, Shengyi; Gao, Yuanhao; Chen, Changle. 2014. "Visible-Light Active and Magnetically Recyclable Nanocomposites for the Degradation of Organic Dye." Materials 7, no. 5: 4034-4044.