Synthesis and characterisation of nanotubular titanates and titania

L. Q. Weng; S. H. Song; Simon Hodgson; A. Baker; J. Yu

doi:10.1016/j.jeurceramsoc.2005.01.058

Synthesis and characterisation of nanotubular titanates and titania

L. Q. Weng, S. H. Song, Simon Hodgson, A. Baker, J. Yu

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

85 Citations (Scopus)

Abstract

Nanotubular titanates and titania, with an external diameter of around 8 nm and a wall thickness of about 1 nm, were synthesised by hydrothermal processing. Their morphological and structural properties were characterised by TEM and XRD, respectively, and their thermal stability was evaluated. The formation of nanotubular products was due to hydrothermal treatment, rather than washing process, but the pH values of washing solutions could determine the composition of the products. Sodium titanates, hydrogen titanates and titania nanotubes could be synthesised, respectively, via changing the pH value of washing solutions and the heat-treatment temperature. The nanotubes remained in their shape at 400 °C, fused together at 600 °C, and completely lost their nanotubular shape to give aggregated anatase nano-particles at 800 °C.

Original language	English
Pages (from-to)	1405-1409
Number of pages	5
Journal	Journal of the European Ceramic Society
Volume	26
Issue number	8
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2005.01.058
Publication status	Published - 21 Feb 2006

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10.1016/j.jeurceramsoc.2005.01.058

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AU - Hodgson, Simon

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AU - Yu, J.

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AB - Nanotubular titanates and titania, with an external diameter of around 8 nm and a wall thickness of about 1 nm, were synthesised by hydrothermal processing. Their morphological and structural properties were characterised by TEM and XRD, respectively, and their thermal stability was evaluated. The formation of nanotubular products was due to hydrothermal treatment, rather than washing process, but the pH values of washing solutions could determine the composition of the products. Sodium titanates, hydrogen titanates and titania nanotubes could be synthesised, respectively, via changing the pH value of washing solutions and the heat-treatment temperature. The nanotubes remained in their shape at 400 °C, fused together at 600 °C, and completely lost their nanotubular shape to give aggregated anatase nano-particles at 800 °C.

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Synthesis and characterisation of nanotubular titanates and titania

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