Translational and rotational dynamics of water in mesoporous silica materials: MCM-41-S and MCM-48-S

Antonio Faraone; Li Liu; Chung Yuan Mou; Pei Chun Shih; John R.D. Copley; Sow Hsin Chen

doi:10.1063/1.1584653

Translational and rotational dynamics of water in mesoporous silica materials: MCM-41-S and MCM-48-S

Antonio Faraone, Li Liu, Chung Yuan Mou, Pei Chun Shih, John R.D. Copley, Sow Hsin Chen

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

81 Citations (Scopus)

Abstract

The translational and rotational dynamics of water molecules in mesoporous silica materials, MCM-41-S and MCM-48-S were investigated. The relaxing-cage models for both translational and rotational motions were used to analyze the quasielastic neutron scattering (QENS) spectra. The results show a marked slowing down of both the translational and rotational relaxation times.

Original language	English
Pages (from-to)	3963-3971
Number of pages	9
Journal	Journal of Chemical Physics
Volume	119
Issue number	7
DOIs	https://doi.org/10.1063/1.1584653
Publication status	Published - Aug 15 2003
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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abstract = "The translational and rotational dynamics of water molecules in mesoporous silica materials, MCM-41-S and MCM-48-S were investigated. The relaxing-cage models for both translational and rotational motions were used to analyze the quasielastic neutron scattering (QENS) spectra. The results show a marked slowing down of both the translational and rotational relaxation times.",

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AU - Shih, Pei Chun

AU - Copley, John R.D.

AU - Chen, Sow Hsin

PY - 2003/8/15

Y1 - 2003/8/15

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AB - The translational and rotational dynamics of water molecules in mesoporous silica materials, MCM-41-S and MCM-48-S were investigated. The relaxing-cage models for both translational and rotational motions were used to analyze the quasielastic neutron scattering (QENS) spectra. The results show a marked slowing down of both the translational and rotational relaxation times.

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Translational and rotational dynamics of water in mesoporous silica materials: MCM-41-S and MCM-48-S

Abstract

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