利用离子间的协同作用对TiO2进行共掺杂改性是近年来在TiO2掺杂改性研究方面的一个新进展.选择适当的离子进行共掺杂改性TiO2具有比单离子掺杂TiO2更好的光催化效果.综述了近年来纳米TiO2共掺杂的研究现状,分析比较了金属离子共掺杂、非金属离子共掺杂、金属一非金属离子共掺杂等不同共掺杂形式对TiO2光催化性能的影响,同时分析了共掺杂纳米TiO2光催化剂的改性机理及影响其光催化性能的因素,并对今后的研究进行了展望.
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