Self-organized sol-gel TiO₂ structures: Particles, rectangle tubes, and flower-like slabs

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• 作者：Shih-Jung Ho^a ; Chang-Wei Yeh^a ; Ramachandran Vasant Kumar^b ; Hsueh-Shih Chen^a ; ^{chenhs@mx.nthu.edu.tw}
• 关键词：Alcohol ; Anatase ; Crystallization ; TiO2 ; Self-organization ; Sinter
• 刊名：Materials & Design
• 出版年：2017
• 出版时间：5 February 2017
• 年：2017
• 卷：115
• 期：Complete
• 页码：332-338
• 全文大小：1949 K
• 卷排序：115

文摘

Effect of alcohols on the TiO2 structure and morphology are investigated in two different self-organization processes. In the first process based on the water-vapor hydrolysis, it exhibits that alcohols significantly affect the crystal growth and the particle aggregation. In the second ultra-slow process based on the diffusion hydrolysis, ethanol causes compact spherical secondary particles, while methanol leads to 1D assembly producing rectangle tubes and flower-like slabs.