Inelastic neutron scattering study of confined surface water on rutile nanoparticles

Elinor C. Spencer; Andrey A. Levchenko; Nancy L. Ross; Alexander I. Kolesnikov; Juliana Boerio-Goates; Brian F. Woodfield; Alexandra Navrotsky; Guangshe Li

doi:10.1021/jp8109918

Inelastic neutron scattering study of confined surface water on rutile nanoparticles

Elinor C. Spencer, Andrey A. Levchenko, Nancy L. Ross, Alexander I. Kolesnikov, Juliana Boerio-Goates, Brian F. Woodfield, Alexandra Navrotsky, Guangshe Li

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

41 Scopus citations

Abstract

The vibrational density of states (VDOS) for water confined on the surface of rutile-Ti0 ₂ nanoparticles has been extracted from low temperature inelastic neutron scattering spectra. Two rutile-Ti0 ₂ nanoparticle samples that differ in their respective levels of hydration, namely TiO ₂•0.37H ₂O (1) and TiO ₂•0.22H ₂O (2) have been studied. The temperature dependency of the heat capacities for the two samples has been quantified from the VDOS. The results from this study are compared with previously reported data for water confined on anatase- TiO ₂ nanoparticles.

Original language	English (US)
Pages (from-to)	2796-2800
Number of pages	5
Journal	Journal of Physical Chemistry A
Volume	113
Issue number	12
DOIs	https://doi.org/10.1021/jp8109918
State	Published - Mar 26 2009
Externally published	Yes

ASJC Scopus subject areas

Physical and Theoretical Chemistry

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10.1021/jp8109918

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Inelastic neutron scattering study of confined surface water on rutile nanoparticles. / Spencer, Elinor C.; Levchenko, Andrey A.; Ross, Nancy L.; Kolesnikov, Alexander I.; Boerio-Goates, Juliana; Woodfield, Brian F.; Navrotsky, Alexandra; Li, Guangshe.

In: Journal of Physical Chemistry A, Vol. 113, No. 12, 26.03.2009, p. 2796-2800.

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

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abstract = "The vibrational density of states (VDOS) for water confined on the surface of rutile-Ti0 2 nanoparticles has been extracted from low temperature inelastic neutron scattering spectra. Two rutile-Ti0 2 nanoparticle samples that differ in their respective levels of hydration, namely TiO 2•0.37H 2O (1) and TiO 2•0.22H 2O (2) have been studied. The temperature dependency of the heat capacities for the two samples has been quantified from the VDOS. The results from this study are compared with previously reported data for water confined on anatase- TiO 2 nanoparticles.",

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AU - Spencer, Elinor C.

AU - Levchenko, Andrey A.

AU - Ross, Nancy L.

AU - Kolesnikov, Alexander I.

AU - Boerio-Goates, Juliana

AU - Woodfield, Brian F.

AU - Navrotsky, Alexandra

AU - Li, Guangshe

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AB - The vibrational density of states (VDOS) for water confined on the surface of rutile-Ti0 2 nanoparticles has been extracted from low temperature inelastic neutron scattering spectra. Two rutile-Ti0 2 nanoparticle samples that differ in their respective levels of hydration, namely TiO 2•0.37H 2O (1) and TiO 2•0.22H 2O (2) have been studied. The temperature dependency of the heat capacities for the two samples has been quantified from the VDOS. The results from this study are compared with previously reported data for water confined on anatase- TiO 2 nanoparticles.

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