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Kinetics of alkali metal ion exchange into nanotubular and nanofibrous titanates

Bavykin, Dmitry V. and Walsh, Frank C. (2007) Kinetics of alkali metal ion exchange into nanotubular and nanofibrous titanates The Journal of Physical Chemistry C, 111, (40), pp. 14644-14651. (doi:10.1021/jp073799a).

Record type: Article

Abstract

The kinetics of intercalation of Li+, Na+, K+ and Cs+ cations between the layers of titanate nanotubes and nanofibres have been studied in an aqueous suspension of nanotubes at 25ºC. The rate of intercalation was found to be similar for different cations and depended on the length of the nanotubes. The decrease in nanotube length resulted in a higher rate of ion-exchange, indicating that the transport of cations in titanate nanotubes occurred probably along their length. In contrast, the transport of cations in titanate nanofibres probably dominated in the direction perpendicular to length. Correlations between the rate of intercalation and the crystal structure modification following intercalation have been established for nanotubular and nanofibrous titanates.

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More information

Published date: October 2007
Keywords: diffusion coefficient, hydrothermal synthesis, nanomaterials, TiO2, titanates.
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 48933
URI: http://eprints.soton.ac.uk/id/eprint/48933
ISSN: 1932-7447
PURE UUID: 478413b4-3b19-4c2c-b4fc-34b258f76ed0

Catalogue record

Date deposited: 18 Oct 2007
Last modified: 17 Jul 2017 14:57

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