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Bimetallic Nanoparticle Catalysts Anchored Inside Mesoporous Silica
Author(s) -
Shephard Douglas S.,
Maschmeyer Thomas,
Johnson Brian F. G.,
Thomas John Meurig,
Sankar Gopinathan,
Ozkaya Dogan,
Zhou Wuzong,
Oldroyd Richard D.,
Bell Robert G.
Publication year - 1997
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199722421
Subject(s) - bimetallic strip , catalysis , nanoparticle , thermal decomposition , mesoporous silica , mesoporous material , cluster (spacecraft) , extended x ray absorption fine structure , materials science , chemical engineering , silicate , mcm 41 , decomposition , particle (ecology) , nanotechnology , chemistry , organic chemistry , absorption spectroscopy , computer science , physics , quantum mechanics , engineering , programming language , oceanography , geology
A new hydrogenation catalyst is formed by thermolysis of the anionic carbonyl cluster [Ag 3 Ru 10 C 2 (CO) 28 Cl] 2− anchored to the mesoporous silicate MCM‐41. The cluster was isolated and characterized in MCM‐41 both before and after thermal treatment. The picture on the right shows a model, based in particular on EXAFS analysis, of the active bimetallic particle. The distribution of the Ag/Ru particles in the MCM‐41 cavities was determined by electron microscopy.
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