Journal
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
Volume 368, Issue 1915, Pages 1211-1243Publisher
ROYAL SOC
DOI: 10.1098/rsta.2009.0269
Keywords
gold clusters; structure; electron diffraction; ion mobility; optical properties
Categories
Funding
- Deutsche Forschungsgemeinschaft
- Bundesministerium fur Bildung und Forschung
- State of Baden-Wurttemberg
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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.
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