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纳米TiO_2是一种优异的光电功能材料。介绍了其奇特的表面结构、优异的光化学特性及其光催化作用的机理,并概述了纳米TiO_2在环境科学中有机污染物的光催化降解、重金属离子的光催化还原及光催化杀菌等方面的应用。
Nano-TiO 2 is an excellent optoelectronic functional material. The peculiar surface structure, excellent photochemical characteristics and photocatalytic mechanism were introduced. The photocatalytic degradation of organic pollutants, the photocatalytic reduction of heavy metal ions and the photocatalytic sterilization of nanometer TiO2 in environmental science were summarized application.