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Journal Article

Chemiluminescence in the Agglomeration of Metal Clusters

MPS-Authors
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König,  Lutz
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Rabin,  Irene
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Schulze,  Wilfried
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Ertl,  Gerhard
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

König, L., Rabin, I., Schulze, W., & Ertl, G. (1996). Chemiluminescence in the Agglomeration of Metal Clusters. Science, 274(5291), 1353-1354. doi:10.1126/science.274.5291.1353.


Cite as: https://hdl.handle.net/21.11116/0000-0009-B489-1
Abstract
The agglomeration of copper or silver atoms in a matrix of noble gas atoms to form small clusters may be accompanied by the emission of visible light. Spectral analysis reveals the intermediate formation of electronically excited atoms and dimers as the source of the chemiluminescence. A mechanism is proposed, according to which the gain in binding energy upon cluster formation may even lead to the ejection of excited fragments as a result of unstable intermediate configurations. A similar concept was introduced in the field of nuclear reactions by Niels Bohr 60 years ago.