Acta Chimica Sinica ›› 2002, Vol. 60 ›› Issue (10): 1773-1777. Previous Articles     Next Articles

Original Articles

激光刻蚀sol-gelTiO_2薄膜的浸润性研究

杨迎春;管自生;冯文辉;叶自义;司宗兴;宋延林;江雷   

  1. 四川师范学院化学系,南充(637002);中国科学院化学研究所分子科学中心.北 京(100080);中国农业大学应用化学学院.北京(100094)
  • 发布日期:2002-10-15

Study on Wettability of Sol-gel TiO_2 Film Ablated by Laser

Yang Yingchun;Guan Zisheng;Feng Wenhui;Ye Ziyi;Si Zongxing;Song Yanlin;Jiang Lei   

  1. Department of Chemistry, Sichuan Normal College,Nanchong(637002)
  • Published:2002-10-15

Sol-gel TiO_2 films with the morphology of micrometer-scale channels were prepared by 355-nm pulse laser ablation. The relationship between wettability of channeled TiO_2 films and the hydrophilic area and UV irradiation was discussed. The results show that the laser-ablated area is superhydrophilic, and the larger the proportion of ablated area is, the lower the water contact angle of the channeled TiO_2 films is. The water contact angle of channeled TiO_2 films increases faster than that of smooth TiO_2 films during the storage in dark. On the other hand, the water contact angle of the chaneled TiO_2 films decreases also faster than that of smooth TiO_2 films with UV irradiation.

Key words: LASER, ETCH, SOL-GEL PROCESS, TITANIUM DIOXIDE, THIN FILMS, HYDROPHILICITY

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