Nanostructured Metal Oxide Clusters by Oxidation of Stabilized Metal Clusters with Air

Nanostructured Metal Oxide Clusters by Oxidation of Stabilized Metal Clusters with Air

Complete oxidation without formation of bulk CoO results when cobalt clusters stabilized with R4N+X− are exposed to O2. Since the resulting soluble, nanostructured cobalt(II) oxide clusters (idealized representation below: dark spheres: metal atoms; light spheres: oxygen atoms; R  C8H1−) do not pen...

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Veröffentlicht in:Angewandte Chemie International Edition 1996-10, Vol.35 (18), p.2092-2094
Hauptverfasser: Reetz, Manfred T., Quaiser, Stefan A., Winter, Martin, Becker, Jörg A., Schäfer, Rolf, Stimming, Ulrich, Marmann, Andrea, Vogel, Roland, Konno, Toyohiko
Format: Artikel
Sprache:eng
Schlagworte:
clusters
cobalt compounds
magnetic properties
nanostructures
scanning tunneling microscopy
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Zusammenfassung:Complete oxidation without formation of bulk CoO results when cobalt clusters stabilized with R4N+X− are exposed to O2. Since the resulting soluble, nanostructured cobalt(II) oxide clusters (idealized representation below: dark spheres: metal atoms; light spheres: oxygen atoms; R  C8H1−) do not penetrate very far into the pores of Al2O3 pellets, unlike the Co clusters, these materials are potential shell catalysts.
ISSN:0570-0833
1521-3773
DOI:10.1002/anie.199620921