Abstract
The synthesis and applications in catalysis of nanoparticles formed from ruthenium, rhodium, osmium and iridium have been reviewed.
Highlights
The platinum-group metals (PGMs) – alternatively: platinum family or platinum metals – consist of six noble, precious metallic elements clustered together in the periodic table: iridium, osmium, palladium, platinum, rhodium, and ruthenium
The example applications of such nanoparticles as catalysts have been described – in order to maintain a close correlation between the parts devoted to the synthesis of nanoparticles and their catalytic applications, we describe mainly catalytic processes for which there is a clear dependence of the catalytic activity of the platinum-group nanoparticles on the method of their synthesis
Very important use of PGMs is in catalytic converters in automobiles, which are used for transferring harmful carbon monoxide, nitrogen oxides and unburned hydrocarbons exhaust emissions into less noxious gases
Summary
In this review we describe the formation of unsupported and supported nanoparticles from less frequently used members of the platinum family Jan Krajczewski is an associate professor in the Molecular Interactions and Spectroscopy group at the Faculty of Chemistry, University of Warsaw. His main research interest is the synthesis and characterization of metallic and plasmonic nanostructures and their application in optical spectroscopies. Robert Ambroziak is pursuing his PhD at the University of Warsaw, Poland His main research interest is SERS and the synthesis of nanostructured semiconductor substrates coated with silver and gold nanomaterials. 2. Synthesis of unsupported ruthenium, rhodium, osmium and iridium nanoparticles
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