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Improved dispersion of transition metals in mesoporous materials through a polymer-assisted melt infiltration method: toward the genesis of micropore-confined highly dispersed metallic particles

Abstract

Melt infiltration (MI) has been described as an effective way to disperse transition metals (TM) in ordered mesoporous supports. The alternative method described here is based on the infiltration of molten precursors in the support porosity into the presence of the support polymer porogen. The resulting materials contain metal oxide particles (metallic particles after reduction) smaller than 2 nm, dispersed within the support micropores, which prove to be stable upon reduction up to 900 °C and to exhibit improved catalytic performances for the hydrogenation of cinnamaldehyde due to the high fraction of active metal exposed.

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Publication details

The article was received on 15 May 2017, accepted on 13 Sep 2017 and first published on 14 Sep 2017


Article type: Paper
DOI: 10.1039/C7CY00963A
Citation: Catal. Sci. Technol., 2017, Accepted Manuscript
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    Improved dispersion of transition metals in mesoporous materials through a polymer-assisted melt infiltration method: toward the genesis of micropore-confined highly dispersed metallic particles

    C. Ciotonea, B. Dragoi, A. Ungureanu, C. Catrinescu, S. Petit, H. Alamdari, E. Marceau, E. Dumitriu and S. Royer, Catal. Sci. Technol., 2017, Accepted Manuscript , DOI: 10.1039/C7CY00963A

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