Mononuclear Ruthenium Hydride Species versus Ruthenium Nanoparticles: The Effect of Silane Functionalities on Silica Surfaces | Zendy

Berthoud Romain | Zendy; Baudouin Anne | Zendy; Fenet Bernard | Zendy; Lukens Wayne | Zendy; Pelzer Katrin | Zendy; Basset JeanMarie | Zendy; Candy JeanPierre | Zendy; Copéret Christophe | Zendy

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Mononuclear Ruthenium Hydride Species versus Ruthenium Nanoparticles: The Effect of Silane Functionalities on Silica Surfaces

Author(s) -

Berthoud Romain,

Baudouin Anne,

Fenet Bernard,

Lukens Wayne,

Pelzer Katrin,

Basset JeanMarie,

Candy JeanPierre,

Copéret Christophe

Publication year - 2008

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.200800174

Subject(s) - silanes , ruthenium , silane , hydride , covalent bond , chemistry , catalysis , nanoparticle , metal , photochemistry , polymer chemistry , chemical engineering , inorganic chemistry , organic chemistry , materials science , nanotechnology , engineering

Aggregation is not a fate! Replacing silica surface silanols with silanes allows [Ru(cod)(cot)] to be grafted by a covalent RuSi bond, which avoids the growth of metal particles during treatment under H 2 at 300 °C. This affords supported mononuclear Ru hydride species, which display catalytic properties different from those of supported Ru particles (2 nm), selectively hydrogenating alkenes over aromatic compounds. cod=cyclooctadiene, cot=cyclooctatriene.

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