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Cited by 428

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

Friction of Water on Graphene and Hexagonal Boron Nitride from Ab Initio Methods: Very Different Slippage Despite Very Similar Interface Structures

Open access
Tocci, Gabriele, Joly, Laurent, Michaelides, Angelos·2014·Nano Letters

Abstract

Friction is one of the main sources of dissipation at liquid water/solid interfaces. Despite recent progress, a detailed understanding of water/solid friction in connection with the structure and energetics of the solid surface is lacking. Here, we show for the first time that ab initio molecular dynamics can be used to unravel the connection between the structure of nanoscale water and friction for liquid water in contact with graphene and with hexagonal boron nitride. We find that although the interface presents a very similar structure between the two sheets, the friction coefficient on boron nitride is ≈ 3 times larger than that on graphene. This comes about because of the greater corrugation of the energy landscape on boron nitride arising from specific electronic structure effects. We discuss how a subtle dependence of the friction on the atomistic details of a surface, which is not related to its wetting properties, may have a significant impact on the transport of water at the nanoscale, with implications for the development of membranes for desalination and for osmotic power harvesting.

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Metadata

Authors
Tocci, G., Joly, L., & Michaelides, A.
Venue
Nano Letters
Published
2014-11-19
Volume
14
Issue
12
Pages
6872-6877
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2037811344
Cited by
428
References
38
FWCI
12.91
Type
journal article
Language
en
Open access
green

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