Journal
APPLIED CATALYSIS A-GENERAL
Volume 481, Issue -, Pages 79-88Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2014.04.023
Keywords
Graphene; Copper; N-Arylation; Nanoparticle; L-Ascorbic acid
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Funding
- Research Council of Shahid Beheshti University
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Core-shell Cu@Cu2O nanoparticles on reduced graphene oxide (Cu@Cu2O NPs-RGO) nanocomposite were prepared at room temperature by in situ reduction of graphene oxide (GO) and copper sulfate using L-ascorbic acid as reducing agent and then the air oxidation of copper nanoparticles' surface. The Cu@Cu2O NPs-RGO nanocomposite was characterized by infrared spectroscopy, Raman spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy, and energy dispersive X-ray spectroscopy. Finally, Cu@Cu2O NPs-RGO nanocomposite was used as an efficient and reusable heterogeneous catalyst in N-arylation of N-heterocycles. (C) 2014 Elsevier B.V. All rights reserved.
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