Continuous hydrothermal synthesis of extensive 2D sodium titanate (Na2Ti3O7) nano-sheets

Zhice Zhang; Josephine B. M. Goodall; Sonal Brown; Lisa Karlsson; Robin J. H. Clark; John L. Hutchison; I. U. Rehman; Jawwad A. Darr

doi:10.1039/B915699B

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Continuous hydrothermal synthesis of extensive 2D sodium titanate (Na₂Ti₃O₇) nano-sheets†

Zhice Zhang,^ab Josephine B. M. Goodall,^a Sonal Brown,^a Lisa Karlsson,^c Robin J. H. Clark,^a John L. Hutchison,^c I. U. Rehman^b and Jawwad A. Darr*^a

Author affiliations

* Corresponding authors

^a Christopher Ingold Laboratories, Department of Chemistry, University College London, 20 Gordon Street, London, United Kingdom
E-mail: j.a.darr@ucl.ac.uk
Web: www.ucl.me.uk
Tel: 02076794345

^b The School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, United Kingdom

^c Department of Materials, University of Oxford, Parks Road, Oxford, UK

Abstract

A novel and rapid and continuous hydrothermal route to the synthesis of extensive ultra-thin 2D sodium titanate (Na₂Ti₃O₇) nano-sheets using a superheated water flow at 450 °C and 24.1 MPa as a crystallizing medium is described. High resolution electron microscopy of the sheets revealed that they were a few layers thick and largely uncurled, highly crystalline despite their very short time under hydrothermal flow conditions. The sodium titanate sheets possessed excellent photocatalytic activity for decolourisation of methylene blue dye.

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Article information

DOI: https://doi.org/10.1039/B915699B
Article type: Communication
Submitted: 03 Aug 2009
Accepted: 24 Sep 2009
First published: 09 Oct 2009

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Dalton Trans., 2010,39, 711-714

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Continuous hydrothermal synthesis of extensive 2D sodium titanate (Na₂Ti₃O₇) nano-sheets

Z. Zhang, J. B. M. Goodall, S. Brown, L. Karlsson, R. J. H. Clark, J. L. Hutchison, I. U. Rehman and J. A. Darr, Dalton Trans., 2010, 39, 711 DOI: 10.1039/B915699B

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