PVP/TiO2/TPEE/Zn(CH3COO)2 nanofibers were prepared by two-spinneret electrospinning. The as-spun fibers were calcined at 500℃ , 550℃ , 600℃ , 650℃ , and 700℃ for 5h, and TiO2/ZnTiO3 composite nanofibers were obtained. The fabricated samples were characterized by thermogravimetry-differential thermal analysis (TO DTA), X-ray diffraction (XRD), and scanning electron microscopy (SEM). The processes of the photocatalytic degradation of methylene blue (MB) at ultraviolet lamp by the prepared nanofibers photocatalyst were investigated. The results show that TiO2/ZnTiO3 composite nanofibers calcined at 55O℃ have the highest photocatalytic property.%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.
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