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Citation: ZHU Chuan-Gao, TONG Ling, WANG Feng-Wu. In Situ Synthesis of BaTiO₃ Nano-particle by Electrolysis of Titanium[J]. Chinese Journal of Applied Chemistry, ;2007, 24(9): 1086-1088. shu

In Situ Synthesis of BaTiO₃ Nano-particle by Electrolysis of Titanium

1.
Department of Chemistry, Huainan Normal University, Huainan 232001

Corresponding author: ZHU Chuan-Gao,
Received Date: 5 October 2006
Available Online: 10 March 2007
Fund Project: 安徽省高校自然基金项目(KJ2006B339ZC) (KJ2006B339ZC)高校青年基金项目(2006JQL234) (2006JQL234)淮师院科研项目(2006LKP01ZD) (2006LKP01ZD)

In a cell without a septum, Ti alkoxide complex was synthesized by electrochemical dissolution of titanium. A CH₃COOH solution of 0.20 mol/L (CH₃COO)₂Ba was added into the above solution at pH 8.5. The xerogel was obtained by drying in vacuum for 24 h and hydrolysis of the mixed solution. The xerogel was heated at 350℃ for 2 h to obtain the nano-BaTiO₃ powder. IR, H NMR, TG-DTA, XRD and TEM were used to investigate the structure of the nano-BaTiO₃. The results show that the complex is Ti(OCH₂-CH₃)_(4-y)(acac)_y, and the precursor contains acac^- and Ac^- groups, which can prevent it from aggregation in the course of hydrolysis and drying. The xerogel has an average particle size of 15~20 nm, and the nano-sized particle BaTiO₃ is 15~40 nm in diameter. This method can reduce the temperature of synthesizing nano-BaTiO₃ effectively compared with the current sol-gel method.
- electrolysis,
- organic system,
- sol-gel,
- nano-sized BaTiO₃
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In Situ Synthesis of BaTiO3 Nano-particle by Electrolysis of Titanium

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In Situ Synthesis of BaTiO₃ Nano-particle by Electrolysis of Titanium