The influence of adsorbate–absorbate hydrogen bonding in molecular chemisorption: NH3, HF, and H2O on Au(111)
- 15 October 1989
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 91 (8) , 5120-5121
- https://doi.org/10.1063/1.457606
Abstract
Molecular beam and temperature programmed desorption (TPD) techniques are used to study the low temperature (85 K) adsorption and subsequent thermal desorption of NH3, HF, and H2O from Au(111). At 85 K the molecular sticking coefficients are near unity and are coverage independent. The TPD spectra are qualitatively different for the various species. Simple hydrogen bonding arguments based on absorbate–absorbate interactions are used to explain the differences in the TPD spectra.Keywords
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