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

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

Pd/g-Al2O3

Pd/C

Very active hydrogenation 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

(PDMP = polydimethylphosphazene)

 

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

 

 


   

Supported Catalysts

Rh/g-Al2O3

Rh/C

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

 

 

Rhodium: metal particles ranging 1-2 nm in diameter

 

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

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



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

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

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

(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

Pd/g-Al2O3

Pd/C

Very active hydrogenation catalysts

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



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