利用贵金属改性TiO2光催化剂是提高TiO2光催化活性的主要方法之一,在离子掺杂改性TiO2研究中受到重点关注.综述了贵金属改性TiO2光催化剂的机理,总结了贵金属改性TiO2光催化剂的主要制备方法,分析了目前贵金属改性TiO2光催化剂研究中存在的问题,指出通过某些贵金属掺杂TiO2光催化剂能克服贵金属表面沉积改性方法的不足,并能有效改善TiO2光催化剂的光催化性能.
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