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新制备的锐钛矿TiO2薄膜具有超亲水性,在使用和储存过程中超亲水性会降低。本文探究恢复亲水性的方法,采用热处理、等离子体辐照、紫外光照射等技术恢复锐钛矿TiO2薄膜亲水性,三种方法均能够有效地恢复薄膜表面的亲水性。热处理及紫外光照射操作简单而经过等离子体辐照的薄膜能保持更长时间的可见光致亲水性。
The newly prepared anatase TiO2 film is superhydrophilic and its hydrophilicity decreases during use and storage. In this paper, the method of restoring hydrophilicity was explored. Hydrophilicity of anatase TiO2 film was restored by heat treatment, plasma irradiation and UV irradiation. All three methods can effectively restore the hydrophilicity of the film surface. Heat treatment and UV irradiation Simple operation Plasma-irradiated film retains longer-term visible light-induced hydrophilicity.