Catalysis by Small Metal Clusters Nanostructured metals

Rhodium: metal particles ranging 1-2 nm in diameter

Supported Catalysts

Rh/C

Excellent catalysts for hydrogenation, hydrosilylation, silylformilation reactions; they are largely more active than analogous commercial

Rh/g-Al₂O₃


Particles size distribution of a commercial Rh/g-Al₂O₃ sample		Particles size distribution of a MVS Rh/g-Al₂O₃ sample

Advanced nanostructured metal powders Catalysts by Small Metal Clusters, Production of Hetero Nanostructured metals catalysts, Homogeneous Heterogeneous Oxidation Polymerization catalysts,Hydrogenation catalysis, Metal vapors technology technique,Very active and selective New generation catalysts,Bimetallic catalytic systems

Particles size distribution of a Pd/C sample

Pd/PDMP

Excellent catalysts for Heck reactions, without valuable leaching of Pd

Particles size distribution of a Pd/PDMP sample

Pd/g-Al₂O₃

Pd/C

Very active hydrogenation catalysts

(PDMP = polydimethylphosphazene)

Applicative Aspects Polyorganophosphazenes, M. Gleria, R. De Jaeger, Eds. Nova Science Publ., New York (2004) pp.255-265

Gold: particle size distribution raging 4 nm in diameter

Au/g-Al₂O₃

Au/C

Valuable catalysts for hydrosilylation reactions

Particles size distribution of Au/C 1 % w/w sample

J. Organomet.Chem., 690 (2005) 1063

J. Oganomet. Chem., 681 (2003) 37

Palladium: metal particles ranging 1-2 nm in Pd/g-Al₂O₃ and Pd/C samples and 3-4 nm in Pd/PDMP catalysts

Ruthenium: metal particles ranging 2.4 nm in diameter

Ru/g-Al₂O₃

Ru/C

Very active arene hydrogenation catalysts

J. Organomet.Chem., 289 (2004) 639

Cobalt: metal particles ranging 2.5 nm in diameter

Co/g-Al₂O₃

Co/C

Very active in Fischer-Tropsch reaction

Examples of the activity of supported catalysts prepared via MVS technique

Arene Hydrogenation


Hydrogenation reaction of aromatic compounds with a commercial Rh/g-Al₂O₃ 5 w/w % and with an analogous system prepared via M V S technique

Alkynes Silylformylation

Silylformylation reaction of 1-hexine with a commercial Rh/g-Al₂O₃ 5 w/w % and with an analogous system prepared via M V S technique

Synthesis and Methodologies in Inorganic Chemistry, L. Armalao, D. Barreca, S. Daolio, E. Tondello, P. A. Vigato, Eds. 2001, vol. 9, pp. 43-51

New generation catalysts

Catalysis by Small Metal Clusters Metal vapors technology technique, Homogeneous Heterogeneous Oxidation Polymerization catalysts, Production of Hetero Nanostructured metals catalysts,Hydrogenation catalysis,Advanced nanostructured metal powders Catalysts by Small Metal Clusters,Very active and selective New generation catalysts,Bimetallic catalytic systems

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