以无水Ti(SO4)2和Na2WO4为原料,采用一步水热法制备了WO3-TiO2复合光催化材料.利用X射线衍射(XRD)、红外光谱(FT-IR)、扫描电子显微镜(SEM)和紫外-可见吸收光谱(UV-Vis)对复合材料的结构和性质进行了表征.研究了WC3-TiO2复合材料对罗丹明B的光催化降解能力,结果表明,可见光(高压汞灯)照射下,WO3-TiO2复合材料的光催化性能优于P25粉末以及相同条件下制备的TiO2粉末,0.1 g WO3-TiO2粉末(WO3摩尔分数2％)对20 mL罗丹明水溶液(1×10-5 mol/L)进行光催化降解,5h后降解率达到了98.09％.
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