以钛酸丁酯和钨酸钠为原料,采用溶胶-凝胶法在不同基体材料上制备了掺杂W6+的TiO2纳米复合材料.利用扫描电子显微镜(SEM),X射线衍射(XRD)及紫外-可见漫反射光谱对其TiO2薄膜的TiO2颗粒形态和相组成进行了详细研究,并以甲基橙为模拟对象,研究了不同浓度的W6+掺杂对催化剂光活性的影响.结果表明:降解效率(η%)随载体、掺杂浓度不同而变,最佳的离子掺杂浓度也有差别;掺杂离子半径、电负性等对TiO2相组成存在一定的影响.
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