TEM Investigation and FBB Model Explanation to the Phase Relationships between Titanates and Titanium Dioxides

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Title TEM Investigation and FBB Model Explanation to the Phase Relationships between Titanates and Titanium Dioxides
Author Liu, Hongwei; Waclawik, Eric R.; Zheng, Zhanfeng; Yang, Dongjiang; Ke, Xuebin; Zhu, Huaiyong; Frost, Ray L.
Journal Name The Journal of Physical Chemistry C
Year Published 2010
Place of publication United States
Publisher American Chemical Society
Abstract Sodium and hydrogen titanates fibers and three TiO2 polymorphs (TiO2 (B), anatase, and rutile) were prepared from inorganic titanium compounds by hydrothermal reaction and calcination. The nature and morphologies of the nanofibers with layered structure were investigated by means of X-ray diffraction (XRD) and transmission electron microscopy (TEM). It was revealed that the phase transitions between titanates and titania (via proton titanate) could be interpreted systemically by the fundamental building blocks (FBB) model. The reaction also requires interconversion between some corner-linked and edge-linked pairs of TiO6 octahedrons. A generalized relationship of phase transitions between sodium/hydrogen titanates and titania by the wet-chemical process was proposed. A duplex pentagonal prism scheme was implied to summarize all of the phase relationships between titanates and titania.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1021/jp103644x
Copyright Statement Self-archiving of the author-manuscript version is not yet supported by this journal. Please refer to the journal link for access to the definitive, published version or contact the author[s] for more information.
Volume 114
Issue Number 26
Page from 11430
Page to 11434
ISSN 1932-7447
Date Accessioned 2011-07-18
Date Available 2011-08-12T06:19:52Z
Language en_AU
Research Centre Queensland Micro and Nanotechnology Centre
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Macromolecular and Materials Chemistry
URI http://hdl.handle.net/10072/39911
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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