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Issue 7, 2011
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Bifunctional composite prepared using layer-by-layer assembly of polyelectrolyte–gold nanoparticle films on Fe3O4–silica core–shell microspheres

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Abstract

Layer-by-layer assembly of polyelectrolytegold nanoparticles (NPs) multilayer films on Fe3O4silica core–shell microspheres provides a convenient method to design a bifunctional hybrid composite combining the catalytic and magnetic performance together. The Au NPs are effectively immobilized in the polyelectrolyte layer without blocking the catalytic sites. The obtained hybrid magnetic microspheres exhibit high catalytic performance in both organic and inorganic reduction reactions. The use of magnetic support for the immobilization of Au NPs guarantees facile, clean, fast and efficient separation of the catalyst at the end of the reaction cycle.

Graphical abstract: Bifunctional composite prepared using layer-by-layer assembly of polyelectrolyte–gold nanoparticle films on Fe3O4–silica core–shell microspheres

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Publication details

The article was received on 18 Mar 2011, accepted on 04 Jul 2011 and first published on 12 Aug 2011


Article type: Paper
DOI: 10.1039/C1CY00096A
Catal. Sci. Technol., 2011,1, 1194-1201

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    Bifunctional composite prepared using layer-by-layer assembly of polyelectrolytegold nanoparticle films on Fe3O4silica core–shell microspheres

    H. Li, S. Gao, Z. Zheng and R. Cao, Catal. Sci. Technol., 2011, 1, 1194
    DOI: 10.1039/C1CY00096A

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