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Citation: WANG Peng, CHEN Dong, LIU Jian-Shu, TANG Fang-Qiong. Synthesis and Characterization of Monodisperse TiO₂ Colloid Particles[J]. Acta Physico-Chimica Sinica, ;2006, 22(03): 365-368. doi: 10.3866/PKU.WHXB20060322 shu

Synthesis and Characterization of Monodisperse TiO₂ Colloid Particles

1.
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101, P. R. China; Graduate School of the Chinese Academy of Sciences, Beijing 100049, P. R. China

Received Date: 8 August 2005
Available Online: 10 March 2006

The monodisperse spherical particles of TiO2 were prepared by sol-gel process in mixed solvents at low temperature. The TEM, SEM, and size distribution analysis showed that the size variation of as-synthesized spherical TiO2 colloidal particles is within 5% and the polyindex is 0.013. The thermal analysis clearly demonstrated that as-synthesized particles were hydrous amorphous TiO2. The structure of the TiO2 colloids after annealed at different temperatures were determined by XRD. The results showed that the phase transition from amorphous to anatase occurred at a temperature around 600 ℃ and both rutile and anatase appeared at 900 ℃.
- TiO2,
- Monodisperse,
- Mixed solvents,
- Low temperature
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沈阳化工大学材料科学与工程学院沈阳 110142

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Synthesis and Characterization of Monodisperse TiO2 Colloid Particles

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通讯作者: 陈斌, bchen63@163.com

Synthesis and Characterization of Monodisperse TiO₂ Colloid Particles