Synthesis of mesostructured titanium dioxide films by surfactant-templated sol-gel method

被引：5
|
作者：
Kitazawa, N [1 ]
Sakaguchi, K [1 ]
Aono, M [1 ]
Watanabe, Y [1 ]
机构：
[1] Natl Def Acad, Dept Mat Sci & Engn, Kanagawa 2398686, Japan
来源：
JOURNAL OF MATERIALS SCIENCE | 2003年 / 38卷 / 14期
关键词：
D O I：
10.1023/A:1024756626205
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mesostructured titanium dioxide films have been synthesized by modifying sol-gel methods in the presence of poly( ethylene oxide)-block-poly(propylene oxide)-blockpoly( ethylene oxide) block copolymer surfactants as a structure-directing agent. The synthesized films were analyzed using X-ray diffraction (XRD), field emission transmission electron microscopy (FE-TEM) and selected area electron diffraction ( SAED). XRD investigation revealed that as-deposited and as-dried films showed a hexagonal arrangement. With increasing heat-treatment temperature, the mesostructure of the films degraded. From TEM and SAED studies, the degradation of the mesostructure can be explained by the grain growth of microcrystalline titanium dioxide. (C) 2003 Kluwer Academic Publishers.
引用
收藏
页码：3069 / 3072
页数：4
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