期刊
RSC ADVANCES
卷 5, 期 62, 页码 50454-50461出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra08243a
关键词
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资金
- National Natural Science Foundation of China [21471056, 21236003, 21206042, 21176083]
- Basic Research Program of Shanghai [13NM1400700, 13NM1400701]
- Fundamental Research Funds for the Central Universities
Heterostructured Au nanoparticle decorated Fe3O4@TiO2 composite magnetic microspheres (MSs) were synthesized by grafting Au nanoparticles onto 3-aminopropyltrimethoxysilane (APTMS) modified Fe3O4@TiO2 MSs. Significantly, by varying the reaction conditions, the as-synthesized Fe3O4@TiO2@Au MSs showed high performance in the catalytic reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4AP) in the presence of NaBH4 under visible light. In addition, the as-prepared Fe3O4@TiO2@Au MSs can clean themselves by photocatalytic degradation of organic molecules, and can be reused for several cycles with convenient magnetic separability. This approach provided a platform based on the synergy of varying components under suitable conditions to optimize the catalytic ability.
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