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微乳法制备Fe-TiO2纳米晶复合体及光催化性能

Keywords: Fe-TiO2,纳米晶复合体,亚甲基蓝,光催化活性

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Abstract:

采用微乳法制备铁掺杂TiO2纳米晶(Fe-TiO2)复合体,通过热重-差热(TG-DTA)、X射线衍射(XRD)、扫描电镜(SEM)和紫外漫反射光谱(DRS)等对其结构和形态进行表征;以亚甲基蓝溶液(MB)为标准模拟降解物,对Fe-TiO2,纯TiO2和P25光催化降解性能进行评价。结果表明,Fe-TiO2的光催化活性明显>P25,原因是Fe掺杂不仅能抑制TiO2晶粒

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