Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 464, Issue -, Pages 96-103Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2014.10.027
Keywords
Graphene; Magnetic nanoparticles; Green synthesis
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Funding
- Science and Technology Department of Hebei Province Project [13210336]
- National Ministry of Science and Technology Project [2012BAJ18B08-6, 2012BAH05F04]
- Zhangjiakou Science and Technology Bureau Project [13110038I-11]
- Major Project of Hebei North University [ZD201303]
- National Natural Science Foundation [11404088]
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We developed an environmentally friendly, one-pot strategy toward preparation of Ni nanoparticles-decorated reduced graphene oxide (Ni-RGO) hybrids, through the use of ethylene glycol as both solvent and reducing agent under solvothermal conditions. Several analytical techniques were used to characterize the resulting Ni-RGO hybrids, which showed that the monodispersed Ni nanoparticles with average diameter of 8 nm were uniformly anchored onto RGO sheets. Furthermore, taking the advantage of the synergetic effects between supported Ni nanoparticles and RGO sheets, Ni-RGO hybrids exhibited a better catalytic activity than pure Ni NPs for the reduction of 4-nitrophenol to 4-aminophenol with sodium borohydride, with kinetic reaction rate being over 2.5 times that of pure Ni NPs. (C) 2014 Elsevier B.V. All rights reserved.
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