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Issue 42, 2010
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Synthesis of composite ruthenium-containing silica nanomaterials from amine-stabilized ruthenium nanoparticles as elemental bricks

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Abstract

A facile synthesis of composite ruthenium-containing silica nanomaterials from amine stabilized-ruthenium nanoparticles as elemental bricks is described. This route takes advantage of an organometallic approach and the use of bifunctional H2N–(CH2)xSi(OEt)3 amines as stabilizing ligands (x = 3, 11) for the synthesis of ruthenium nanoparticles, from [Ru(COD)(COT)] (COD = 1,3-cyclooctadiene, COT = 1,3,5-cyclooctatriene) as the metal precursor. Classical hydrolysis and polycondensation steps of the sol–gel approach further lead to the formation of the silica matrix around the ruthenium nanoparticles. [RuO2]@SiO2 nanocomposites are then obtained through a calcination step in air. The final composite nanomaterials were characterized by different techniques and they were found to possess a high specific surface area making them attractive materials for catalysis.

Graphical abstract: Synthesis of composite ruthenium-containing silica nanomaterials from amine-stabilized ruthenium nanoparticles as elemental bricks

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Publication details

The article was received on 31 May 2010, accepted on 28 Jul 2010 and first published on 23 Sep 2010


Article type: Paper
DOI: 10.1039/C0JM01680B
Citation: J. Mater. Chem., 2010,20, 9523-9530
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    Synthesis of composite ruthenium-containing silica nanomaterials from amine-stabilized ruthenium nanoparticles as elemental bricks

    M. Tristany, K. Philippot, Y. Guari, V. Collière, P. Lecante and B. Chaudret, J. Mater. Chem., 2010, 20, 9523
    DOI: 10.1039/C0JM01680B

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