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

被引：0
|
作者：
N. Kitazawa
K. Sakaguchi
M. Aono
Y. Watanabe
机构：
[1] National Defense Academy,Department of Materials Science and Engineering
来源：
Journal of Materials Science | 2003年 / 38卷
关键词：
Surfactant; Propylene; Hexagonal; Electron Diffraction; Block Copolymer;
D O I：
暂无
中图分类号：
学科分类号：
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)-block-poly(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.
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收藏
页码：3069 / 3072
页数：3
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