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Anomalous behavior of atomic Hydrogen interacting with Gold clusters

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2003

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Buckart, Stefan
Kim, Young Dok
Jena, Purusottam

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Journal of the American Chemical Society. 2003, 125(46), pp. 14205-14209. Available under: doi: 10.1021/ja036544t

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The change in the electronic structure of Au-n clusters induced by the exchange of an Au atom by hydrogen is studied using photoelectron spectroscopy. Au anion clusters react with one hydrogen atom but not with molecular hydrogen. The spectra of Au-n and Au-n1H- clusters show almost identical features for n > 2 suggesting that hydrogen behaves as a protonated species by contributing one electron to the valence pool of the Au-n cluster. This behavior is in sharp contrast to that of the commonly understood electronic structure of hydrogen in metals; namely, it attracts an electron from the conduction band of the metal and remains in an anionic form or forms covalent bonding. We discuss the influence of the unique electronic structure of H on the unusual catalytic behavior of Au clusters.

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530 Physik

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ISO 690BUCKART, Stefan, Gerd GANTEFÖR, Young Dok KIM, Purusottam JENA, 2003. Anomalous behavior of atomic Hydrogen interacting with Gold clusters. In: Journal of the American Chemical Society. 2003, 125(46), pp. 14205-14209. Available under: doi: 10.1021/ja036544t
BibTex
@article{Buckart2003Anoma-951,
  year={2003},
  doi={10.1021/ja036544t},
  title={Anomalous behavior of atomic Hydrogen interacting with Gold clusters},
  number={46},
  volume={125},
  journal={Journal of the American Chemical Society},
  pages={14205--14209},
  author={Buckart, Stefan and Ganteför, Gerd and Kim, Young Dok and Jena, Purusottam}
}
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