溶剂热法合成SnWO_4及其可见光催化活性  

Solvothermal Synthesis of SnWO_4 and Its Catalytic Activity Under Visible Light

作　　者：安风霞[1] 陈建林[1] 齐凯[1] 张丽[1] 

机构地区：[1]南京大学环境学院污染控制与资源化国家重点实验室,江苏南京210093

出　　处：《化工环保》2010年第3期258-260,共3页Environmental Protection of Chemical Industry

摘　　要：采用溶剂热法合成了新型的可见光催化剂SnWO4,以甲基橙为目标污染物,考察了合成温度、合成时间和煅烧工艺对催化剂可见光催化活性的影响。实验结果表明:煅烧工艺会明显降低催化剂的光催化活性;在合成温度为180℃、合成时间为8h、未煅烧的条件下,合成的催化剂的光催化效果最好,光照90min后,对甲基橙的降解率可达99.93%。A novel visible-light photocatalyst SnWO4 was synthesized by solvothermal mothed.Using methyl orange as target pollutant,the factors affecting the catalytic activity of the visible-light photocatalyst were studied.The experimental results show that: The catalytic activity of the photocatalyst can be reduced obviously by calcination;The photocatalyst prepared under the conditions of synthesis temperature 180 ℃,synthesis time 8 h and without calcination has the highest photocatalytic activity with 99.93% of m...

关 键 词：溶剂热合成 可见光 钨酸亚锡 甲基橙 光催化 降解 

分 类 号：X703.1[环境科学与工程—环境工程]