From Molecular Clusters to Metal Nanoparticles |
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| Authors: | Guczi L. Beck A. Horváth A. Horváth D. |
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| Affiliation: | (1) Department of Surface Chemistry and Catalysis, Institute of Isotope and Surface Chemistry, Chemical Research Center, Hungarian Academy of Sciences, P.O. Box 77, H-1525 Budapest, Hungary |
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| Abstract: | Different methods to prepare supported metal nanoparticles of uniform size are discussed. (i) Supported ruthenium particles were generated from Ru and Ru-Fe bimetallic molecular metal carbonyl cluster precursors (MCC). (ii) Gold nanoparticle formation in the supercage of Y zeolite was studied on Au/NaY, Au/HY and Au-Fe/HY system. (iii) Palladium nanoparticles were grown in liquid phase then deposited on an SiO2 support or they were grown on the support surface in a solid-liquid interfacial layer. The particle size control was more efficient in the latter two cases than in the preparation starting from MCC. |
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| Keywords: | nanoparticles metal carbonyl clusters zeolites controlled colloidal synthesis supported catalysts |
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