How Does Water Wet a Surface?

Maier S, Salmeron M (2015)

Publication Language: English

Publication Status: Published

Publication Type: Journal article

Publication year: 2015



Book Volume: 48

Pages Range: 2783-2790

Journal Issue: 10

DOI: 10.1021/acs.accounts.5b00214


In this Account, a selection of recent STM results on the water adsorption and dissociation on close-packed metal surfaces is reviewed, with a particular focus on Ru(0001). The Ru(0001) surface is one where water adsorbs intact in a metastable state at low temperatures and where partially dissociated layers are formed at temperatures above similar to 150 K. First, we will describe the structure of intact water clusters starting with the monomer up to the monolayer. We show that icelike wetting layers do not occur on close-packed metal surfaces but instead hydrogen bonded layers in the form of a mixture of pentagonal, hexagonal, and heptagonal molecular rings are observed. Second, we will discuss the dissociation mechanism of water on Ru(0001). We demonstrate that water adsorption changes from dissociative to molecular as a function of the oxygen preadsorbed on Ru. Finally, we briefly review recent STM experiments on bulk ice (I-h and I-c) and water adsorption on insulating thin films. We conclude with an outlook illustrating the manipulation capabilities of STM in respect to probe the proton and hydrogen dynamics in water clusters.

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Maier, S., & Salmeron, M. (2015). How Does Water Wet a Surface? Accounts of Chemical Research, 48(10), 2783-2790.


Maier, Sabine, and Miquel Salmeron. "How Does Water Wet a Surface?" Accounts of Chemical Research 48.10 (2015): 2783-2790.

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