Commensurate Water Monolayer at the/Water Interface
- 9 April 2001
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 86 (15) , 3364-3367
- https://doi.org/10.1103/physrevlett.86.3364
Abstract
We demonstrate the presence of two types of commensurate, registered water monolayers with different densities at the (0.1 M NaOH solution) interface with off-specular, oxygen crystal truncation rods. At anodic potentials (close to oxygen evolution), the extraneous water layer and the surface hydroxide layer form a bilayer with O—H—O bond distances similar to that of ice X. At cathodic potentials, the water molecules converted from the bridging OH molecules form a low-density water layer.
Keywords
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