Controlling the Morphology of Nanostructured Barium Titanate by Hydrothermal Method
Nanostructured BaTiO3 particles have been synthesized by hydrothermal method using a layered titania nanosheet as Ti precursor. The influence of processing parameters on the formation of BaTiO3 was investigated in this paper. The BaTiO3 particles show
different shapes including irregular, sphere-like and plate-like structures by treating the titania nanosheet in different hydrothermal conditions. The dissolution–recrystallization and in situ topotactic transformation mechanisms are suggested based on observations of the factors
that influence BaTiO3 formation, such as Ba(OH)2 concentration, the solvent of ethanol, and reaction temperature.
Keywords: DISSOLUTION-RECRYSTALLIZATION; HYDROTHERMAL METHOD; IN SITU TOPOTACTIC TRANSFORMATION; NANOSTRUCTURED BATIO3
Document Type: Research Article
Publication date: 01 February 2010
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