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采用对喷静电纺丝法制备了PVP/TiO2/TPEE/Zn(CH3COO)2纳米纤维,分别在500℃、550℃、600℃、650℃和700℃煅烧5h,得到不同煅烧温度下的TiO2/ZnTiO3复合纳米纤维光催化剂,利用热重-差热分析法(TG-DTA)、扫描电子显微镜(SEM)、X射线衍射仪(XRD)对样品进行了表征,并研究了该催化剂在300W的紫外灯下催化亚甲基蓝(MB)降解的活性.结果表明,当煅烧温度为550℃时,TiO2/ZnTiO3复合纳米纤维催化剂的光催化活性最高.

参考文献

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