Crystalline Ice Growth on Pt(111): Observation of a Hydrophobic Water Monolayer
Journal Article
·
· Physical Review Letters, 95(16):166102
The growth of crystalline water films on Pt(111) is investigated using rare gas physisorption. The water monolayer wets Pt(111) at all temperatures investigated (20-155 K). At low temperatures (T ≤ 120 K) where the water mobility is limited, additional water layers kinetically wet the monolayer surface. However, crystalline ice films grown at higher temperatures (T > 135 K) do not wet the water monolayer. These results are consistent with recent theory and experiments suggesting that the molecules in the water monolayer form a surface with no dangling OH bonds or lone pair electrons, giving rise to a hydrophobic water monolayer on Pt(111).
- Research Organization:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 860413
- Report Number(s):
- PNNL-SA-45342; PRLTAO; 6495; 6500; KC0301020; TRN: US200608%%1
- Journal Information:
- Physical Review Letters, 95(16):166102, Vol. 95, Issue 16; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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