Anomalously soft dynamics of water in a nanotube: A revelation of nanoscale confinement

Alexander I. Kolesnikov; Jean Marc Zanotti; Chun Keung Loong; Pappannan Thiyagarajan; Alexander P. Moravsky; Raouf O. Loutfy; Christian J. Burnham

doi:10.1103/PhysRevLett.93.035503

Anomalously soft dynamics of water in a nanotube: A revelation of nanoscale confinement

Alexander I. Kolesnikov, Jean Marc Zanotti, Chun Keung Loong, Pappannan Thiyagarajan, Alexander P. Moravsky, Raouf O. Loutfy, Christian J. Burnham

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

The study of nanotube water by neutron scattering was discussed. The neutron diffraction (ND) and inelastic neutron scattering (INS) measurements in molecular dynamics (MD) simulations show the entry of water into open-ended single walled carbon nanotubes (SWCN). The results reveal an anomalously soft dynamics characterized by pliable hydrogen bonds. It also reveals anharmonic intermolecular potentials and large-amplitude motions in nanotube water.

Original language	English
Article number	035503
Pages (from-to)	035503-1-035503-4
Journal	Physical Review Letters
Volume	93
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.93.035503
State	Published - Jul 16 2004
Externally published	Yes

Funding

The work performed at the Intense Pulsed Neutron Source was supported by the Office of Basic Energy Sciences, Division of Materials Sciences, U.S. Department of Energy, under Contract No. W-31-109-ENG-38. We thank R. W. Connatser and D. G. Wozniak for their assistance in the neutron-scattering experiments and ?>A. Souza for the Raman characterization of the SWNT sample.

Funders	Funder number
Division of Materials Sciences
U.S. Department of Energy	W-31-109-ENG-38
Basic Energy Sciences

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abstract = "The study of nanotube water by neutron scattering was discussed. The neutron diffraction (ND) and inelastic neutron scattering (INS) measurements in molecular dynamics (MD) simulations show the entry of water into open-ended single walled carbon nanotubes (SWCN). The results reveal an anomalously soft dynamics characterized by pliable hydrogen bonds. It also reveals anharmonic intermolecular potentials and large-amplitude motions in nanotube water.",

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AU - Loutfy, Raouf O.

AU - Burnham, Christian J.

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Anomalously soft dynamics of water in a nanotube: A revelation of nanoscale confinement

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