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Issue 39, 2011
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Hybrid gold nanoparticle-reduced graphene oxide nanosheets as active catalysts for highly efficient reduction of nitroarenes

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Abstract

We demonstrate a simple, one-step synthesis of hybrid gold nanoparticle–graphene oxide nanosheets (Au–GO) through electrostatic self-assembly. This method affords a facile means of controlling the effective concentration of the active Au nanoparticles on the graphene sheets, but also offers the necessary stability of the resulting Au–GO nanostructure for catalytic transformation. Furthermore, this hybrid Au–GO is successfully employed in the catalytic reduction of a series of nitroarenes with high catalytic activity. Through careful investigation of the catalyst, we find the synergistic catalytic effect of Au nanoparticles and GO, further highlighting the significance of hybrid Au–GO nanostructure. Considering the wide potential applications of a two-dimensional graphene sheet as a host material for a variety of nanoparticles, the approach developed here may lead to new possibilities for the fabrication of hybrid nanoparticlegraphene nanosheet structures endowed with multiple functionalities.

Graphical abstract: Hybrid gold nanoparticle-reduced graphene oxide nanosheets as active catalysts for highly efficient reduction of nitroarenes

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Publication details

The article was received on 01 Jun 2011, accepted on 19 Jul 2011 and first published on 05 Sep 2011


Article type: Paper
DOI: 10.1039/C1JM12477C
Citation: J. Mater. Chem., 2011,21, 15431-15436
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    Hybrid gold nanoparticle-reduced graphene oxide nanosheets as active catalysts for highly efficient reduction of nitroarenes

    Y. Choi, H. S. Bae, E. Seo, S. Jang, K. H. Park and B. Kim, J. Mater. Chem., 2011, 21, 15431
    DOI: 10.1039/C1JM12477C

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