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Cited by 862

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Molecular Origin of Fast Water Transport in Carbon Nanotube Membranes: Superlubricity versus Curvature Dependent Friction

Falk, Kerstin, Sedlmeier, Felix, Joly, Laurent, Netz, Roland R., Bocquet, Lydéric·2010·Nano Letters

Abstract

In this paper, we study the interfacial friction of water at graphitic interfaces with various topologies, water between planar graphene sheets, inside and outside carbon nanotubes, with the goal to disentangle confinement and curvature effects on friction. We show that the friction coefficient exhibits a strong curvature dependence; while friction is independent of confinement for the graphene slab, it decreases with carbon nanotube radius for water inside, but increases for water outside. As a paradigm the friction coefficient is found to vanish below a threshold diameter for armchair nanotubes. Using a statistical description of the interfacial friction, we highlight here a structural origin of this curvature dependence, mainly associated with a curvature-induced incommensurability between the water and carbon structures. These results support the recent experiments reporting fast transport of water in nanometric carbon nanotube membranes.

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Metadata

Authors
Falk, K., Sedlmeier, F., Joly, L., Netz, R. R., & Bocquet, L.
Venue
Nano Letters
Published
2010-09-16
Volume
10
Issue
10
Pages
4067-4073
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2108187138
Cited by
862
References
2
FWCI
16.38
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Molecular Origin of Fast Water Transport in Carbon Nanotube Membranes: Superlubricity versus Curvature Dependent Friction. https://app.cochat.ai/papers/10.1021/nl1021046
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Falk, K., Sedlmeier, F., Joly, L., Netz, R. R., & Bocquet, L. (2010). Molecular Origin of Fast Water Transport in Carbon Nanotube Membranes: Superlubricity versus Curvature Dependent Friction. Nano Letters. https://doi.org/10.1021/nl1021046

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