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Issue 45, 2013
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Highly dispersed Au nanoparticles immobilized on Zr-based metal–organic frameworks as heterostructured catalyst for CO oxidation

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Abstract

Highly dispersed Au nanoparticles have been immobilized on the Zr(IV)-based metal–organic framework UIO-66 via a simple one-step chemical wetting method, in which oleylamine used as both a reducing and a stabilizing agent with HAuCl4 as the gold precursor is introduced to embed Au nanoparticles into the framework. The resulting Au@UIO-66 catalyst is characterized by powder X-ray diffraction, N2 physical adsorption, and transmission electron microscopy. It is found that most of the Au nanoparticles with sizes of 1–3 nm are evenly distributed over the UIO-66 matrix. The Au@UIO-66 heterostructures exhibit high catalytic activity and stability for gas-phase CO oxidation. The observed high activity is mainly attributed to the small size of Au nanoparticles and their high dispersion within the pores of UIO-66.

Graphical abstract: Highly dispersed Au nanoparticles immobilized on Zr-based metal–organic frameworks as heterostructured catalyst for CO oxidation

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Publication details

The article was received on 07 Aug 2013, accepted on 23 Sep 2013 and first published on 23 Sep 2013


Article type: Paper
DOI: 10.1039/C3TA13114A
Citation: J. Mater. Chem. A, 2013,1, 14294-14299
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    Highly dispersed Au nanoparticles immobilized on Zr-based metal–organic frameworks as heterostructured catalyst for CO oxidation

    R. Wu, X. Qian, K. Zhou, H. Liu, B. Yadian, J. Wei, H. Zhu and Y. Huang, J. Mater. Chem. A, 2013, 1, 14294
    DOI: 10.1039/C3TA13114A

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