Synergistic behavior of bimetallic rhenium cluster catalysts: Spectroscopic investigation into the nature of the active site

Enrica Gianotti, Vasudev N. Shetti, Maela Manzoli, Jonathan A.L. Blaine, William C. Pearl, Richard D. Adams, Salvatore Coluccia, Robert Raja

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Single-site Re nanoparticles were produced by anchoring dirhenium organometallic clusters on to the inner walls of mesoporous silica. The presence of oxophilic atoms (Sb or Bi) is essential to obtain well dispersed Re 0 centers. The interaction between the organometallic cluster and the silica support is critical for the generation of well-defined and isolated Re0 single sites. FTIR spectroscopy was used to track the decomposition of the organometallic precursors and the adsorption of probe molecules such as CO on the metal sites sheds valuable information on the catalytic potential of this new class of bimetallic nanocatalysts.

Lingua originaleInglese
pagine (da-a)8202-8209
Numero di pagine8
RivistaChemistry - A European Journal
Volume16
Numero di pubblicazione27
DOI
Stato di pubblicazionePubblicato - 19 lug 2010
Pubblicato esternamente

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