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Issue 21, 2012
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Novel CeO2 yolk–shell structures loaded with tiny Au nanoparticles for superior catalytic reduction of p-nitrophenol

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Abstract

Direct fabrication of core–shell or yolk–shell functional nanomaterials via a facile template-free method remains a challenge. In this work, we present a novel approach that involves straightforward chemical transformation and thermal treatment of the infinite coordination polymer particles to obtain composition-tunable CeO2 yolk–shell structures. Uniform CeO2 yolk–shell hollow spheres with a high surface area are promising support materials for tiny gold nanoparticles (ca. 4 nm), forming Au–CeO2 nanocomposites which exhibit a remarkable catalytic activity and high stability for the reduction of p-nitrophenol. A possible mechanism for the formation of CeO2 yolk–shell microspheres is also proposed.

Graphical abstract: Novel CeO2 yolk–shell structures loaded with tiny Au nanoparticles for superior catalytic reduction of p-nitrophenol

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Publication details

The article was received on 03 Jul 2012, accepted on 04 Sep 2012 and first published on 10 Sep 2012


Article type: Paper
DOI: 10.1039/C2NR31713C
Citation: Nanoscale, 2012,4, 6835-6840
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    Novel CeO2 yolk–shell structures loaded with tiny Au nanoparticles for superior catalytic reduction of p-nitrophenol

    C. Fan, L. Zhang, S. Wang, D. Wang, L. Lu and A. Xu, Nanoscale, 2012, 4, 6835
    DOI: 10.1039/C2NR31713C

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