期刊
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
卷 359, 期 -, 页码 81-87出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molcata.2012.03.025
关键词
Pd/Fe3O4; Nanocomposite; Catalysis; Recyclable; Suzuki reaction
资金
- Program for New Century Excellent Talents in University [NCET-09-0136]
- National Natural Science Foundation of China [21171136]
- Hubei Provincial Department of Education [D20111510]
A facile solvothermal synthetic route has been successfully developed to fabricate Pd/Fe3O4 nanocomposite with the assistance of polyvinylpyrrolidone (PVP) in N,N-dimethylformamide (DMF) solution. The as-prepared Pd/Fe3O4 nanocomposite was composed of uniform 5 nm-sized Pd nanoparticles and Fe3O4 nanocrystals with dimension of 40 nm. In this fabrication, PVP played an important role as a capping agent. The as-prepared Pd/Fe3O4 nanocomposite exhibited superior catalytic performance and stability for various Suzuki coupling reactions, compared with single-component Pd nanoparticles under the same reaction conditions. More importantly, it displayed good magnetic property and could be easily separated from the reaction mixture by using a magnet and recycled or 10 times without losing its catalytic activity. (C) 2012 Elsevier B.V. All rights reserved.
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