A novel stabilisation model for rutheniumnanoparticles in imidazolium ionic liquids: in situ spectroscopic and labelling evidence

Literature Information

Publication Date 2010-03-10
DOI 10.1039/B925329G
Impact Factor 3.676
Authors

Paul S. Campbell, Catherine C. Santini, Denis Bouchu, Bernard Fenet, Karine Philippot, Bruno Chaudret, Agílio A. H. Pádua, Yves Chauvin


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Abstract

In situ labelling and spectroscopic experiments are used to explain the key points in the stabilisation of ruthenium nanoparticles (RuNPs) generated in imidazolium-based ionic liquids (ILs) by decomposition of (η4-1,5-cyclooctadiene)(η6-1,3,5-cyclooctatriene)ruthenium(0), Ru(COD)(COT), under dihydrogen. These are found to be: (1) the presence of hydrides at the RuNP surface and, (2) the confinement of RuNPs in the non-polar domains of the structured IL, induced by the rigid 3-D organisation. These results lead to a novel stabilisation model for NPs in ionic liquids.

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Contents list

Front/Back Matter

DOI: 10.1039/C9OB90095K

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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