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Issue 29, 2014
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Synthesis and catalytic application of PVP-coated Ru nanoparticles embedded in a porous metal–organic framework

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Abstract

A hybrid catalyst consisting of polymer-coated Ru nanoparticles (Ru-PVP, PVP: poly(N-vinyl-2-pyrrolidone)) embedded in a porous metal–organic framework of ZIF-8 (Ru-PVP@ZIF-8) was synthesized by the crystallization of ZIF-8 in a methanol solution of Ru-PVP. The structural properties of Ru-PVP@ZIF-8 were examined by N2 gas adsorption, infrared spectra, and X-ray powder diffraction measurements. We successfully identified the most appropriate pretreatment conditions for surface activation of the Ru nanoparticles in the catalyst. The pretreated Ru-PVP@ZIF-8 was applied for a CO oxidation reaction with H2 gas feeds. Ru-PVP@ZIF-8 was found to exhibit higher catalytic activities and higher CO2 selectivity than those observed on a carbon-supported Ru-PVP (Ru-PVP/C), implying that the pores of the ZIF-8 provide a more suitable environment for the reaction with O2 and CO gases.

Graphical abstract: Synthesis and catalytic application of PVP-coated Ru nanoparticles embedded in a porous metal–organic framework

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The article was received on 04 Apr 2014, accepted on 29 May 2014 and first published on 30 May 2014


Article type: Communication
DOI: 10.1039/C4DT00996G
Author version available: Download Author version (PDF)
Citation: Dalton Trans., 2014,43, 11295-11298
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    Synthesis and catalytic application of PVP-coated Ru nanoparticles embedded in a porous metal–organic framework

    M. Sadakiyo, M. Kon-no, K. Sato, K. Nagaoka, H. Kasai, K. Kato and M. Yamauchi, Dalton Trans., 2014, 43, 11295
    DOI: 10.1039/C4DT00996G

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