Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21768
Title: Microstructural evolution of titania nanocrystallites by a hydrothermal treatment : a HRTEM study
Authors: Daoud, WA
Xin, JH 
Pang, GKH
Issue Date: 2005
Publisher: Wiley-Blackwell
Source: Journal of the American Ceramic Society, 2005, v. 88, no. 2, p. 443-446 How to cite?
Journal: Journal of the American Ceramic Society 
Abstract: Nanocrystalline anatase titanium dioxide films were formed by a hydrothermal treatment at temperatures below 100°C. The microstructural evolution of the crystallites was monitored by high-resolution transmission electron microscopy (HRTEM). HRTEM analysis of the as-grown film revealed the presence of nanocrystalline brookite TiO 2 within an amorphous matrix. After 90 min of the hydrothermal treatment, the TiO 2 nanoparticles remained of brookite form and a small increase in grain size was observed. Intergranular amorphous TiO 2 between the nanoparticles was observed in both as-grown and 90-min-treated films. However, after further 90 min of the treatment, TiO 2 nanoparticles were transformed into anatase phase with a rapid growth in grain size.
URI: http://hdl.handle.net/10397/21768
ISSN: 0002-7820
EISSN: 1551-2916
DOI: 10.1111/j.1551-2916.2005.00046.x
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