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超亲水TiO_2/SiO_2复合薄膜的制备与表征
引用本文:余家国,赵修建,林立,韩建军,赵青南.超亲水TiO_2/SiO_2复合薄膜的制备与表征[J].无机材料学报,2001,16(3).
作者姓名:余家国  赵修建  林立  韩建军  赵青南
作者单位:武汉理工大学
基金项目:高等学校骨干教师资助计划,教育部科学技术重点项目!(99087),湖北省自然科学基金!(98J029)
摘    要:通过 sol-gel工艺在普通钠钙玻璃表面制备了均匀透明的 TiO2/SiO2复合薄膜.实验结果表明:在 TiO2薄膜中添加 SiO2,可以抑制薄膜中 TiO2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.当 SiO2含量为 10~20 mol%时获得了润湿角为0°的超亲水性薄膜.

关 键 词:TiO2/SiO2复合薄膜  超亲水性  制备  表征

Preparation and Characterization of Super-Hydrophilic TiO_2/SiO_2 Composite Thin Films
Yu Jia-Guo,ZHAO Xiu-Jian,LIN Li,HAN Jian-jun,ZHAO Qing-nan.Preparation and Characterization of Super-Hydrophilic TiO_2/SiO_2 Composite Thin Films[J].Journal of Inorganic Materials,2001,16(3).
Authors:Yu Jia-Guo  ZHAO Xiu-Jian  LIN Li  HAN Jian-jun  ZHAO Qing-nan
Abstract:The uniform transparent TiO2/SiO2 composite thin films were prepared via sol-gel processing on the soda lime glass substrates. The addition of SiOn. to TiO2 thin films can suppress the grain growth of TiO2 crystal in the TiO2 thin films, increase the hydroxyl content of TiO2 film, low the contact angle for water of TiO2 films and enhance the hydrophilic property of TiO2 films. The super-hydrophilic TiO2/SiO2 composite films with the contact angle of 0° were obtained by the addition of 10mol%~20mol% SiO2.
Keywords:TiO2/SiO2 composite thin films  super-hydrophilic property  preparation  characterization
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