期刊
CATALYSIS COMMUNICATIONS
卷 72, 期 -, 页码 150-155出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2015.09.032
关键词
Catalyst; Pd nanopartide; Sonogashira cross-coupling; Graphene; Fe3O4
资金
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning [2013R1A1A1A05006634]
- Human Resource Training Project for Regional Innovation [2012H1B8A2026225]
- TJ Park junior Faculty Fellowship
- LG Yonam Foundation
In this study, a core-shell Fe3O4@amine-functionalized graphene (Fe3O4@GON) composite was prepared as a support for the immobilization of Pd nanopartides. The graphene oxide (GO) shell was aminated by a condensation reaction between GO and a polyamine. The Pd nanoparticles were immobilized on Fe3O4@GON using sonochemical method without additional reducing agents. The prepared Pd/Fe3O4@GON composite was characterized using TEM, XRD, XPS, ICP-OES and EDS. The catalytic activity of Pd/Fe3O4@GON in heterogeneous Sonogashira cross-coupling reactions between various aryl iodides and terminal acetylenes was investigated. (C) 2015 Elsevier B.V. All rights reserved.
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