【摘要】 通过水煮法在较低温度下制备了均匀、透明的 TiO₂-SiO₂复合薄膜，利用 XRD、AFM 和 UV-Vis 光谱等手段对薄膜的物相、表面形态结构和透明性进行了表征，分析了 SiO₂的添加对薄膜性质的影响，并利用紫外光照降解罗丹明 B 溶液评价了薄膜的光催化活性及其影响因素，实验结果表明，通过水煮法在较低温度下制备的薄膜具有较高的光催化活性，适量 SiO₂的添加能够提高薄膜的光催化活性。更多还原

【Abstract】 TiO₂ and TiO₂-SiO₂ thin films were prepared at low-temperature with hot water treatment.Theircrystal structure,surface morphology and transparency were characterized by XRD,AFM and UV-Vis spectrarespectively,and the effects of addition of SiO₂ in the films on their performances after treatment with hot waterwere analyzed.The evaluations of photocatalytic activities of thin films were carded out by degradation of rho-damine B in water solution under UV irradiation.The results showed that the thin films prepared at low tem-perature with hot water treatment have high reactivitity for degradation of rhodamine B and the addition of SiO₂can significantly increase the photocatalytic reactivitity.更多还原