Journal
RSC ADVANCES
Volume 6, Issue 21, Pages 16911-16916Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra25842a
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Funding
- National High-tech R&D Program of China [2015AA034603]
- National Natural Science Foundation of China [21202203, 21576289, 21322609]
- Science Foundation Research Funds [YJRC-2013-31]
- Science Foundation of China University of Petroleum, Beijing [2462015YQ0306, 2462014QZDX01]
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Fe3O4 magnetic nanocomposites combined with graphene oxide (GO) and carbon nanotubes (CNTs) are synthesized by a hydrothermal method, followed by synthesis of GO/CNT-Fe3O4 supported Pd nanoparticles using a gas-liquid interfacial plasma (GLIP) method with Pd(OAc)(2) as a precursor, and the Pd nanoparticles show a uniform particle size distribution. The catalysts exhibit remarkable catalytic activity during the hydrogenation of nitroarenes under H-2 atmosphere at 60 degrees C in water using a small amount of catalyst, and the catalyst can be magnetically separated from the reaction mixture. The addition of the Fe3O4 component to the GO/CNTs can be used to effectively prevent aggregation and restacking of GO and the CNTs, and the GO/CNT composite can adjust the hydrophilic-hydrophobic property of the catalysts. Furthermore, the Pd catalyst can be readily recovered and reused several times without a significant decrease in activity. It is worth mentioning that the Pd-3 catalysts show remarkable activity during C-H functionalization.
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