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

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

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

 

 


   

Rh/g-Al2O3

 

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

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

Rh/C

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

 

Supported Catalysts

 

Rhodium: metal particles ranging 1-2 nm in diameter



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

(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

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

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

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

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    

 

 

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



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