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BaTiO3 Nanopowders Hydrothermally Synthesized Using H2Ti3O7 Nanotubes and Nanorods

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Abstract:

Perovskite BaTiO3 nanopowders are hydrothermally synthesized using H2Ti3O7 nanoentities, which themselves are also hydrothermally synthesized, as titanium precursors. The structure and morphology of the obtained BaTiO3 nanopowders are studied as functions of synthesis reaction time, using electron diffraction and electron microscopy. The morphology of the obtained BaTiO3 nanopowders is found to be determined by the morphology of the H2Ti3O7 precursors. Tubular structure can be maintained when H2Ti3O7 nanotubes are used as precursors. However, only BaTiO3 dendritic nanoparticles are obtained when using H2Ti3O7 nanorods instead as precursors. The morphology evolution is discussed in terms of nucleation on the surface of H2Ti3O7 followed by subsequent interdiffusion.

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Periodical:

Advanced Materials Research (Volume 629)

Pages:

292-295

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.629.292

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Online since:

December 2012

Authors:

Hui Zhou

Keywords:

BaTiO3 Nanopowders, Hydrothermal Synthesis, Morphology Evolution

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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