【摘 要】
：
以钛酸正丁酯和硝酸铁为原料,纳米碳球为硬模板剂采用低温回流-煅烧法成功制备了不同比例的Fe3+/TiO2纳米空心球.采用FE-SEM、TEM、XRD,UV-Vis及EDS对制得的样品进行表征.FE-
【基金项目】
：
国家博士后基金资助项目;江苏大学高级人才科研启动基金
论文部分内容阅读
以钛酸正丁酯和硝酸铁为原料,纳米碳球为硬模板剂采用低温回流-煅烧法成功制备了不同比例的Fe3+/TiO2纳米空心球.采用FE-SEM、TEM、XRD,UV-Vis及EDS对制得的样品进行表征.FE-SEM和TEM结果表明,制得样品均为空心球结构,其中Fe3+掺杂后空心球的壁厚有所增加.UV-Vis光谱表明,Fe3+掺杂的TiO2样品对可见光的响应明显增强.以阳离子蓝为目标污染物进行可见光催化降解,试验结果表明,Fe3+/Ti4+摩尔比为0.5:100时,样品的光催化效果最好,降解效率达到83.2％,是TiO2空心球降解效率的4.16倍.降解反应符合1级动力学方程.
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