Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

A model potential for the adsorbate–adsorbate interaction among OH and H2O molecules adsorbed on a Pt(111) surface has been developed solely based on first-principle calculations. By combining this directional-dependent model potential for the lateral interaction with a lattice model of Ising type, large length scale structure calculations can be made. The strength of different hydrogen bonds can be analyzed in detail from this model potential. It is found that the hydrogen bond between OH and H2O molecules is stronger than that between two H2O molecules (0.4 eV per pair as compared to 0.2 eV per pair, respectively). Via the computed chemical potential for water in mixed OH+H2O overlayers the water uptake as a function of oxygen precoverage on Pt(111) has been determined. The results compare very well with recent experiments.

Bibliography

Karlberg, G. S., & Wahnström, G. (2005). An interaction model for OH+H2O-mixed and pure H2O overlayers adsorbed on Pt(111). The Journal of Chemical Physics, 122(19).

Authors 2
  1. G. S. Karlberg (first)
  2. G. Wahnström (additional)
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Dates
Type When
Created 20 years, 3 months ago (May 12, 2005, 6:10 p.m.)
Deposited 1 year, 7 months ago (Jan. 25, 2024, 5:17 p.m.)
Indexed 2 weeks, 4 days ago (Aug. 19, 2025, 7:07 a.m.)
Issued 20 years, 3 months ago (May 15, 2005)
Published 20 years, 3 months ago (May 15, 2005)
Published Online 20 years, 3 months ago (May 16, 2005)
Published Print 20 years, 3 months ago (May 15, 2005)
Funders 0

None

@article{Karlberg_2005, title={An interaction model for OH+H2O-mixed and pure H2O overlayers adsorbed on Pt(111)}, volume={122}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1900088}, DOI={10.1063/1.1900088}, number={19}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Karlberg, G. S. and Wahnström, G.}, year={2005}, month=may }