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Issue 16, 2014
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Tin-decorated ruthenium nanoparticles: a way to tune selectivity in hydrogenation reaction

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Abstract

Two series of ruthenium nanoparticles stabilized either by a polymer (polyvinylpyrrolidone; Ru/PVP) or a ligand (bisdiphenylphosphinobutane; Ru/dppb) were reacted with tributyltin hydride [(n-C4H9)3SnH] leading to tin-decorated ruthenium nanoparticles, Ru/PVP/Sn and Ru/dppb/Sn. The Sn/Ru molar ratio was varied in order to study the influence of the surface tin content on the properties of these new nanoparticles, by comparison with Ru/PVP and Ru/dppb. Besides HRTEM and WAXS analyses, spectroscopic techniques (IR, NMR and Mössbauer) combined with theoretical calculations and a simple catalytic test (styrene hydrogenation) allowed us to evidence the formation of μ3-bridging “SnR” groups on the ruthenium surface as well as to rationalize their influence on surface chemistry and catalytic activity.

Graphical abstract: Tin-decorated ruthenium nanoparticles: a way to tune selectivity in hydrogenation reaction

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Publication details

The article was received on 12 Feb 2014, accepted on 04 Apr 2014 and first published on 07 Apr 2014


Article type: Paper
DOI: 10.1039/C4NR00791C
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Citation: Nanoscale, 2014,6, 9806-9816
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    Tin-decorated ruthenium nanoparticles: a way to tune selectivity in hydrogenation reaction

    E. Bonnefille, F. Novio, T. Gutmann, R. Poteau, P. Lecante, J. Jumas, K. Philippot and B. Chaudret, Nanoscale, 2014, 6, 9806
    DOI: 10.1039/C4NR00791C

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