TiO_2光催化剂的掺杂改性及应用研究进展  

Research progress on modification and application of TiO_2 photocatalyst

作　　者：王家恒[1] 宫长伟[1] 付现凯 焦俊荣[1] 柴跃生[1] 

机构地区：[1]太原科技大学材料科学与工程学院,太原030024

出　　处：《化工新型材料》2016年第1期15-18,共4页New Chemical Materials

基　　金：国家青年科学基金(11204199);山西省大学生UIT项目(2012239);太原科技大学UIT项目(XJ2012015)

摘　　要：国内外关于纳米TiO_2光催化剂有着广泛的研究和应用。离子掺杂能拓宽TiO_2光谱吸收范围,有效改善其光催化活性。综述了离子掺杂改性纳米TiO_2光催化剂的研究进展,分析了金属离子掺杂、非金属离子掺杂、多种不同离子共掺杂的掺杂机理及对TiO_2光催化性能的影响,介绍了纳米TiO_2光催化剂在污水处理中的应用现状。最后指出离子掺杂TiO_2和纳米TiO_2光催化剂在污水降解中存在的问题,并对今后的研究方向做了展望。Recently,the nano-TiO2 photocatalyst has been researched and applied widely at home and abroad.Ionic doping can broaden the scope of TiO2 spectral absorption and improved the activity of photocatalysis effectively.The research progress of ionic doped nano TiO2 photocatalyst was summarized.The mechanism of ionic doping and influences on the photocatalytic performance were analyzed.And the application status of photocatalyst in waste water degradation was also introduced.Finally,the current existing problems of ion doped TiO2 and nano TiO2 photocatalyst in degradation of sewage was pointed out,and the future research direction was also prospected.

关 键 词：TIO2 离子掺杂 光催化剂 污水降解 

分 类 号：O643.36[理学—物理化学] TQ134.11[理学—化学]