Preparation of Nano-size BaTiO<sub>3</sub> Powders Using Glycothermal Method

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doi:2002.39.7.642

J. Korean Ceram. Soc. > Volume 39(7); 2002 > Article

Journal of the Korean Ceramic Society 2002;39(7): 642.
doi: https://doi.org/10.4191/kcers.2002.39.7.642

Glycothermal법을 이용한 나노 사이즈 BaTiO₃분말의 제조

김병규, 임대영, 노준석¹, 조승범¹

배재대학교 재료공학과
¹LG 화학기술연구원 신소재연구소

Preparation of Nano-size BaTiO₃ Powders Using Glycothermal Method

ABSTRACT

Barium Titanate(BaTiO$_3$) nanoparticles were prepared at 22$0^{circ}C$ through glycothermal process by using barium hydroxide and amorphous titanium hydrous gel as precursor and 1,4-butanediol and distilled water as solvent. It is demonstrated that the size of BaTiO$_3$ particles can be controlled by reaction conditions such as various content of 1,4-butanediol/distilled water volume ratio. This processing method can fabricate BaTiO$_3$ powders, which have a narrow distribution and exhibit good dispersion. The particle size of BaTiO$_3$ powders obtained by glycothermal process were about 50 nm to 200 nm on the condition that reaction temperature was 22$0^{circ}C$ and holding time was 24 h.ﾖ⨀

Key words: Nanosize, Glycothermal process, Barium titanate, 1,4-butanediol