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Synthesis of BaTiO3 nanoparticles via hydrothermal method


Hasbullah, Nurul Norfarina and Oon, Jew Lee and Liew, Josephine Ying Chyi and Soo, Kien Chen and Talib, Zainal Abidin (2017) Synthesis of BaTiO3 nanoparticles via hydrothermal method. Solid State Phenomena, 268. 172 - 176. ISSN 1012-0394; ESSN: 1662-9779


In this work, BaTiO3 nanoparticles were synthesized through hydrothermal method. The powder obtained from the hydrothermal process (as-synthesized powder) was calcined at 1000 °C. The phase formation and morphology of the as-synthesized and calcined powders were studied using X-ray diffraction (XRD), thermogravimetric (TGA) and differential scanning calorimetry (DSC) analyzer, and transmission electron microscope (TEM). The XRD data showed that the as-synthesized powder is partially amorphous. Upon calcining the powder at 1000 °C, highly crystalline BaTiO3 with tetragonal structure was obtained. As shown by TGA and DSC analysis, the precursor powder was completely transformed into BaTiO3 at 1000 °C. The presence of BaCO3 as an impurity phase in the powder is due to the lack of Ba2+ / Ti3+/4+. Transmission electron microscope images showed that the particle size of the as-synthesized powder increased after calcination due to crystal growth. In addition, nanocubes with the average size of around 11.66 nm were obtained as a result of the calcination compared to the ellipsoid like particles of the as-synthesized powder.

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Official URL or Download Paper: https://www.scientific.net/SSP.268.172

Additional Metadata

Item Type: Article
Divisions: Faculty of Science
Publisher: Trans Tech Publications
Keywords: BaTiO3; Hydrothermal synthesis; Nanomaterial; Self-assembly
Depositing User: Mohd Hafiz Che Mahasan
Date Deposited: 16 Oct 2018 00:31
Last Modified: 16 Oct 2018 00:31
URI: http://psasir.upm.edu.my/id/eprint/63362
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