稀土元素具有丰富的能级,特殊的4f电子跃迁特性和光学性质,不仅能够以离子掺杂或半导体复合的形式有效提升传统TiO2光催化剂的性能,而且可以构造出多种新型的光催化剂体系.本文在归纳近年来相关文献的基础上,综述了稀土元素在光催化剂中的应用概况及研究进展,从稀土改性TiO2基光催化剂和含稀土非TiO2基新型光催化剂两方面,探讨了稀土元素在光催化剂体系中所起的作用及其机理,并对含稀土光催化剂的设计思想、研究重点、目前效果及不足之处进行了总结和评述.
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