Transition-metal nanoparticles: synthesis, stability and the leaching issue

Autor:	Laura Durán Pachón, Gadi Rothenberg
Rok vydání:	2008
Předmět:	chemistry.chemical_classification Inorganic chemistry Nanoparticle General Chemistry Polymer Micelle Catalysis Inorganic Chemistry Metal chemistry.chemical_compound chemistry Chemical engineering visual_art Dendrimer Ionic liquid visual_art.visual_art_medium Leaching (metallurgy)
Zdroj:	Applied Organometallic Chemistry. 22:288-299
ISSN:	1099-0739 0268-2605
Popis:	This perspective examines the state-of-the-art of catalysis by metal nanoparticles. We outline various methods for preparing metal nanoparticle suspensions, and highlight the role of the stabilizers and the stabilizing principles. Subsequently, we examine some catalytic applications of homometallic and bimetallic nanoparticle suspensions in a variety of reactions. The cases are divided according to the stabilizing agent: polymers, dendrimers, ionic liquids, surfactants, micelles and micoremulsions, ligands and solid supports. We explain the importance of atom/ion leaching (all too frequent in nanoparticle catalysis, especially for the catalytically active group VIII metals) and consider ways of minimizing it. The future perspectives of nanoparticles as catalysts are discussed. Copyright © 2008 John Wiley & Sons, Ltd.
Databáze:	OpenAIRE
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