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  4. TiO2光催化剂非金属阴离子修饰的研究进展

材料导报, 2008, 22(10): 36-39.

TiO2光催化剂非金属阴离子修饰的研究进展

张雪峰 1, , 李会容 2, , 武昭妤 3, , 闫珉 4, , 刘国钦 5,

1.攀枝花学院材料工程学院,攀枝花,617000

2.攀枝花学院电气信息工程学院,攀枝花,617000

3.攀枝花学院材料工程学院,攀枝花,617000

4.成都理工大学信息工程学院,成都,610059

5.攀枝花学院材料工程学院,攀枝花,617000

基金项目:   四川省自然科学基金(2007J13-005)  

关键词： 光催化 , TiO2 , 无机阴离子 , 表面改性 , 有机污染物降解

Research Progress in Modification of TiO2 by Non-metal Anions

与以往研究较系统的通过具有高的(光)化学氧化还原活性的修饰剂改性相比,化学相对惰性的非金属阴离子的改性到近来才引起人们的重视,但对其研究还是零散的、不系统的,有时甚至是矛盾的.介绍了非金属阴离子(如F-、PO43-、SO42-等)改性TiO2的制备方法、对光催化效率和机理的影响等,重点阐述了TiO2表面吸附的非金属阴离子在光催化过程中的作用机理的研究进展,并着重强调它们在光催化过程中的共性作用,指出了需要进一步研究的方向.

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