采用水热合成法制备了Ce掺杂的具有介孔结构的TiO2-SiO2(Ce-TiO2-SiO2)无定型纳米复合材料.用N2吸附、XRD、FT-IR和UV-Vis对样品结构进行表征.该材料热稳定性较好,且具有较大的比表面积(162.57m2·g-1)、孔容(0.35 cm3·g-1)和孔径(7.2 nm).该材料在紫外光、模拟太阳光照射下光催化降解甲基紫、亚甲基蓝两种染料的研究结果表明,该材料在紫外光照射下有高效光催化活性(降解效率分别为97.6％、98.5％),在模拟太阳光照射下也有很好的光催化活性(降解效率分别为76.1％、71.7％).
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