Sequence of Events for the Formation of Titanate Nanotubes, Nanofibers, Nanowires, and Nanobelts

The formation of H2Ti3O7 nanotubes, nanofibers, nanowires, and nanobelts via alkali hydrothermal synthesis was studied in detail by TEM and HRTEM. The effects of preparation parameters, such as reaction temperature, duration, and cooling process, on the morphologies of the products are clarified. A...

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Bibliographic Details
Published in:Chemistry of materials 2006-01, Vol.18 (2), p.547-553
Main Authors: Wu, Di, Liu, Ji, Zhao, Xiaoning, Li, Aidong, Chen, Yanfeng, Ming, Naiben
Format: Article
Language:English
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Summary:The formation of H2Ti3O7 nanotubes, nanofibers, nanowires, and nanobelts via alkali hydrothermal synthesis was studied in detail by TEM and HRTEM. The effects of preparation parameters, such as reaction temperature, duration, and cooling process, on the morphologies of the products are clarified. A universal formation mechanism is proposed based on the growth, split, wrapping, and thickening of Na2Ti3O7 nanointermediates, which links all kinds of morphologies observed for H2Ti3O7 nanoentities.
ISSN:0897-4756
1520-5002
DOI:10.1021/cm0519075