掺杂纳米TiO2光触媒的甲醛降解研究  

Study on Formaldehyde Degradability of Metal-doped Nano-TiO_2

作　　者：吴健春[1] 黄婉霞[2] 石瑞成[1] 

机构地区：[1]攀枝花钢铁研究院,四川攀枝花617000 [2]四川大学材料学院,四川成都610065

出　　处：《钢铁钒钛》2008年第4期14-17,共4页Iron Steel Vanadium Titanium

摘　　要：对纳米TiO_2掺杂金属盐后的光催化甲醛降解性能进行了研究。研究结果表明:适当钒掺杂改性提高了纳米TiO_2降解甲醛的能力,经过钒掺杂改性纳米TiO_2后其可见光范围的吸收明显增强;0.5%Fe+0.3%V复合掺杂改性具有较好的光催化效果,比单一金属元素掺杂效果好,其甲醛降解率可达85%以上。The formaldehyde degradability by nanometer TiO2 that is metal - doped compound was studied. The result shows that the formaldehyde degradability and the visible light absorbency are improved by the V - doped nanometer TiO2. The nanometer TiO2 of 0.5 % Fe ＋ 0.3 % V doped has better photocatalytic activity than single V - doped nanometer TiO2. And it can degrade 85 percent formaldehyde after 24 hours.

关 键 词：纳米 TIO2 光催化活性 掺杂 甲醛 降解 

分 类 号：O643.3[理学—物理化学]