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Preparation of Hollow Anatase TiO2 Nanospheres via Ostwald Ripening

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journal contribution
posted on 18.03.2004, 00:00 by Hua Gui Yang, Hua Chun Zeng
In this work, we report a simple “one pot” approach to prepare hollow anatase TiO2 nanospheres via Ostwald ripening under hydrothermal conditions. Inner nanospace and highly organized crystallites in the shell structure and surface regions can be created with a wide range of controlling parameters. The formation mechanism has been investigated with TEM/ED/SEM/EDX/XRD/XPS methods. The approach shows a high versatility for structural engineering of various targeted morphological products, including inner material refills.