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Facile Fabrication of Hierarchical Hollow Microspheres Assembled by Titanate Nanotubes

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journal contribution
posted on 15.06.2010, 00:00 by Yufeng Tang, Li Yang, Jizhang Chen, Zheng Qiu
Hierarchical hollow microspheres assembled by titanate nanotubes were fabricated via a hydrothermal process. During the entire process, the hydrous titanium oxide microspheres served as a template and source of titanate ions and H2O2 was used to facilitate the conversion of titanate sheets into nanotubes in low-concentration NaOH (0.1 M). Furthermore, this synthesis route is more friendly than the previous hydrothermal synthesis of TiO2-derived nanotubes in a highly alkaline (10−15 M) medium.