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Formation of nanotubes TiO2 from layered titanate particles by a soft chemical process
Authors:Mingdeng Wei  Yoshinari Konishi  Hideki Sugihara  Hironori Arakawa
Affiliation:a National Institute of Advanced Industrial Science and Technology (AIST), Energy Technology Research Institute, AIST Tsukuba central #5, 1-1-1, Higashi, Tsukuba, Ibaraki 305-8565, Japan
b Faculty of Engineering, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
Abstract:Nanotubes TiO2 were synthesized from layered titanate Na2Ti3O7 particles by a soft chemical process. These nanotubes have a hollow structure with an opening end. The wall of nanotubes is very well crystallized multi-wall structure. The inner diameters of nanotubes are ca. 30-40 nm and the length up to several hundreds nanometers. XRD results show that TiO2 phase was formed during the procedure of exfoliating Na2Ti3O7 particles into nanosheets. Based on our experimental results, an exfoliating-rolling model was proposed for formation of nanotube structure.
Keywords:A   A   B
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