引用本文:
王鹏, 陈东, 刘建树, 唐芳琼. 单分散TiO2亚微米球的制备与表征[J]. 物理化学学报,
2006, 22(03): 365-368.
doi:
10.3866/PKU.WHXB20060322
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
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
单分散TiO2亚微米球的制备与表征
English
Synthesis and Characterization of Monodisperse TiO2 Colloid Particles
Abstract:
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 ℃.
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Key words:
-
TiO2
- / Monodisperse
- / Mixed solvents
- / Low temperature
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