对半导体二氧化钛催化剂进行掺杂改性使其可以有效吸收和利用太阳光是当前催化剂研究的最重要课题之一.综述了具有高催化活性的二氧化钛光催化剂的改性机理及可见光下的催化活性,在分子水平上阐述了活性位上的中间反应过程,讨论了近年来光催化体系和过程在应用可见光方面所取得的进展.
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