Abstract
The feasibility of the acetylacetonate-Ti isopropoxide complex as a new precursor for synthesis of Ti-based perovskite particles under hydrothermal conditions has been demonstrated. Perovskite powders including BaTiO3, PbTiO3, PZT, PLZT, and SrTiO3 were prepared by reacting the acetylacetonate-modified Ti precursor in metal acetate aqueous salt solution under hydrothermal conditions. Synthesis parameters including reaction time and temperature, feedstock concentration, nd reaction medium significantly influence particle characteristics of the hydrothermally derived erovskite powders. It is proposed that use of the acetylacetonate-modified Ti precursor promotes ntimate mixing among multicomponent reacting species at the molecular level and promotes article formation through a dissolution/recrystallization mechanism.
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Moon, J., Kerchner, J.A., Krarup, H. et al. Hydrothermal synthesis of ferroelectric perovskites from chemically modified titanium isopropoxide and acetate salts. Journal of Materials Research 14, 425–435 (1999). https://doi.org/10.1557/JMR.1999.0061
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DOI: https://doi.org/10.1557/JMR.1999.0061