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中文摘要：
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℃锻炼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。
英文摘要：
PVP/TiO2/TPEE/Zn（CHaCOO）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 （TG- DTA）, X-ray diffraction （XRD）, and scanning electron microscopy （SEM）. The processes of the photocatalytic deg- radation of methylene blue （MB） at ultraviolet lamp by the prepared nanofibers photocatalyst were investigated. The results show that TiO2/ZnTiO3 composite nanofibers calcined at 550℃ have the highest photocatalytie property.
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