物理化学学报2001，Vol.17Issue(3)：261-264,4.
TiO2/SiO2纳米薄膜的光催化活性和亲水性
Photocatalytic Activity and Hydrophilic Property of TiO2/SiO2 Composite Nanometer Thin Films
余家国 1赵修建 1陈文梅 1林立 1张艾丽1
作者信息
摘要
Abstract
The uniform transparent TiO2/SiO2 composite nanometer thin films were prepared via sol-gel processing on the soda lime glass substrates.The photocatalytic activity of the as prepared TiO2/SiO2 composite nanometer thin films obviously decreases when the amount of SiO2 addition is large.However,the photocatalytic activity has no obvious change when the amount of SiO2 addition is small (Table 2).The addition of SiO2 can suppress the grain growth of TiO2 crystal,increase the hydroxyl content of TiO2 film,decrease the contact angle for water of TiO2 films and enhance the hydrophilic property of TiO2 films.The super-hydrophilic TiO2/SiO2 composite nanometer films with the contact angle of 0o were obtained by the addition of 10％- 20％ (mole fraction) SiO2.关键词
TiO2/SiO2复合纳米薄膜,溶胶凝胶工艺,光催化活性,超亲水性分类
化学化工引用本文复制引用
余家国,赵修建,陈文梅,林立,张艾丽..TiO2/SiO2纳米薄膜的光催化活性和亲水性[J].物理化学学报,2001,17(3):261-264,4.
