Determining the size-dependent structure of ligand-free gold-cluster ions

Ligand-free metal clusters can be prepared over a wide size range, but only in comparatively small amounts. Determining their size-dependent properties has therefore required the development of experimental methods that allow characterization of sample sizes comprising only a few thousand mass-selec...

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Bibliographic Details
Published in:Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences physical, and engineering sciences, 2010-03, Vol.368 (1915), p.1211-1243
Main Authors: Schooss, Detlef, Weis, Patrick, Hampe, Oliver, Kappes, Manfred M.
Format: Article
Language:English
Subjects:
Adsorption
Anions
Atoms
Binding energy
Cations
Electron Diffraction
Electronic structure
Electrons
Gold Clusters
Ion Mobility
Ions
Isomers
Kinetics
Optical Properties
Review
Structure
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Summary:Ligand-free metal clusters can be prepared over a wide size range, but only in comparatively small amounts. Determining their size-dependent properties has therefore required the development of experimental methods that allow characterization of sample sizes comprising only a few thousand mass-selected particles under well-defined collision-free conditions. In this review, we describe the application of these methods to the geometric structural determination of Au+n and Au−n with n = 3-20. Geometries were assigned by comparing experimental data, primarily from ion-mobility spectrometry and trapped ion electron diffraction, to structural models from quantum chemical calculations.
ISSN:1364-503X
1471-2962
DOI:10.1098/rsta.2009.0269