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http://dx.doi.org/10.5012/bkcs.2014.35.7.1979

Synthesis and Characterization of Graphene and Graphene Oxide Based Palladium Nanocomposites and Their Catalytic Applications in Carbon-Carbon Cross-Coupling Reactions  

Lee, Minjae (Department of Chemistry, Kunsan National University)
Kim, Bo-Hyun (Department of Chemistry Education and Institute of Fusion Science, Chonbuk National University)
Lee, Yuna (Department of Bioactive Material Sciences and Research Center of Bioactive Materials, Chonbuk National University)
Kim, Beom-Tae (Department of Bioactive Material Sciences and Research Center of Bioactive Materials, Chonbuk National University)
Park, Joon B. (Department of Chemistry Education and Institute of Fusion Science, Chonbuk National University)
Publication Information
Bulletin of the Korean Chemical Society / v.35, no.7, 2014 , pp. 1979-1984 More about this Journal
Abstract
We have developed an efficient method to generate highly active Pd and PdO nanoparticles (NPs) dispersed on graphene and graphene oxide (GO) by an impregnation method combined with thermal treatments in $H_2$ and $O_2$ gas flows, respectively. The Pd NPs supported on graphene (Pd/G) and the PdO NPs supported on GO (PdO/GO) demonstrated excellent carbon-carbon cross-coupling reactions under a solvent-free, environmentally-friendly condition. The morphological and chemical structures of PdO/GO and Pd/G were fully characterized using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and transmission electron microscopy (TEM). We found that the remarkable reactivity of the Pd/G and PdO/GO catalysts toward the cross-coupling reaction is attributed to the high degree of dispersion of the Pd and PdO NPs while the oxidative states of Pd and the oxygen functionalities of graphene oxide are not critical for their catalytic performance.
Keywords
Graphene; Palladium; C-C Cross-coupling reaction; XPS;
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