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 film and enhance the hydrophilic property of TiO2 films.

• 在TiO_2薄膜中添加SiO_2,可以抑制薄膜中TiO_2晶粒的长大,同时薄膜表面的羟基含量增加,水在复合薄膜表面的润湿角下降,亲水能力增强。