Preparation of photoactive anatase-type TiO2/silica gel by direct loading anatase-type TiO2 nanoparticles in acidic aqueous solutions by thermal hydrolysis

被引：15

作者：

Hirano, M ^{[1
]}

Ota, K ^{[1
]}

机构：

[1] Aichi Inst Technol, Fac Engn, Dept Appl Chem, Yakusa Toyota 4700392, Japan

来源：

JOURNAL OF MATERIALS SCIENCE | 2004年 / 39卷 / 05期

关键词：

D O I：

10.1023/B:JMSC.0000016199.85213.0b

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The thermal hydrolysis of acidic aqueous TiOSO4 solution to directly load nanometer-sized anatase-type TiO2 on the silica gel particles and their photoactivity was investigated. Among three polymorphs, the metastable phase of anatase-type TiO2 exhibited the most excellent photoactivity. The addition of SiO2 into TiO2 enhanced the phase stability. The results show that the amount of loaded anatase-type TiO2 on the silica gel is increased and the translucency of the silica gel is decreased with increasing the concentration of the TiOSO 4 solution.

引用

页码：1841 / 1844

页数：4

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