期刊
CHEMICAL PHYSICS LETTERS
卷 686, 期 -, 页码 178-182出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2017.08.046
关键词
TiO2; Core-shell; Photocatalysis
Easy-recycle photocatalysts are new materials for water treatment technologies. In order to improve the recyclable ability, we employed Fe3O4 particles, which were functionalized by sodium citrate, to serve as a substrate core to attract the deposition of a shell of TiO2 particles. When compared to the calcining process for preparing the composite, the TiO2 distributed homogeneously on the sodium citrate treated Fe3O4, forming a mesoporous shell layer. Due to the mesoporous structure, this Fe3O4@TiO2 exhibited high photocatalytic degradation activity to Rhodamine B, and it was easily recycled using a magnetic field to recover the catalyst from solution. (C) 2017 Elsevier B.V. All rights reserved.
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