The structure of trititanate nanotubes

A comprehensive chemical and structural analysis is made of a new type of trititanate nanotube, which is synthesized via the reaction of TiO2 particles with NaOH aqueous solution. It is found that the trititanate nanotubes are multi‐walled scroll nanotubes with an inter‐shell spacing of about 0.78 n...

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Bibliographic Details
Published in:Acta crystallographica. Section B, Structural science Structural science, 2002-08, Vol.58 (4), p.587-593
Main Authors: Chen, Q., Du, G.H., Zhang, S., Peng, L.-M.
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
high-resolution transmission electron microscopy
image simulation
Materials science
Nanoscale materials and structures: fabrication and characterization
Physics
selected-area electron diffraction
trititanate nanotubes
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Summary:A comprehensive chemical and structural analysis is made of a new type of trititanate nanotube, which is synthesized via the reaction of TiO2 particles with NaOH aqueous solution. It is found that the trititanate nanotubes are multi‐walled scroll nanotubes with an inter‐shell spacing of about 0.78 nm and an average diameter of about 9 nm. An atomic model of the nanotube is derived based on information from powder X‐ray diffraction, selective‐area electron diffraction, high‐resolution electron microscopy and structure simulations. A model nanotube may be constructed by wrapping a (100) sheet of H2Ti3O7 along [001] with the tube axis parallel to [010].
ISSN:0108-7681
1600-5740
DOI:10.1107/S0108768102009084