Synthesis of BaTi5O11 by an aqueous co-precipitation method via stable organic titanate precursor


  • Pelin Sözen Aktaş  Manisa Celal Bayar University, Faculty of Arts & Sciences, Department of Chemistry, Şehit Prof. Dr. İlhan Varank Campus 45140 Muradiye-Manisa



organic titanate, co-precipitation, X-ray diffraction, barium titanium oxide system


BaTi5O11 has been widely researched due to its unique microwave properties. Conventionally it is challenging to obtain this compound as a single phase. The BaTi5O11 structure was synthesized via co-precipitation technique using an aqueous solution of titanium(IV)(triethanolaminato) isopropoxide, barium nitrate and ammonia as precursors which are stable in an aqueous media. The phase evolution, purity, and structure of powders were identified by X-ray diffraction (XRD), scanning electron microscope (SEM) and energy dispersive X-ray (EDX) spectroscopy analysis. The desired BaTi5O11 structure was obtained by calcination at 900⁰C. Furthermore, the structure is characterized by TGA, FT-IR and Raman studies. The study showed that the grains were between 80 and 120 nm in size and the average crystallite size was determined from the Scherrer formula as 68.1 nm at 900ºC.


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How to Cite

P. Sözen Aktaş , “Synthesis of BaTi5O11 by an aqueous co-precipitation method via stable organic titanate precursor”, J. Serb. Chem. Soc., Feb. 2021.