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TiO2具有稳定性好、光效率高和不产生二次污染等特点,被认为是最有应用前景的光催化剂.通过金属及非金属掺杂改性的方法可以将只能UV光激发的TiO2光催化反应红移到可见光区域进行,也可以利用表面络合或染料敏化的途径实现可见光光催化反应.本文介绍了国内外在可见光TiO2光催化研究方面的最新进展.
TiO2 has the characteristics of good stability, high light efficiency and no secondary pollution, which is considered as the most promising photocatalyst.It can be modified by metal and non-metallic doping TiO2 light Visible photocatalytic reaction can be red-shifted to the visible region, and the visible light photocatalytic reaction can also be achieved by means of surface complexation or dye sensitization.This paper introduces the recent progress in visible light TiO2 photocatalysis at home and abroad.