ACF-Ag-TiO_2纳米纤维的制备及其光催化性能  

Preparation of ACF-Ag-TiO_2 Nanofibers and Their Photocatalytic Properties

作　　者：万郁楠[1] 李巧玲[1] 李洪刚[1] 刘晓霞[1] 武润平[1] 续丽丽[1] 

机构地区：[1]中北大学理学院,山西太原030051

出　　处：《中国粉体技术》2013年第1期58-60,共3页China Powder Science and Technology

基　　金：国家自然科学基金项目:51272239;山西省自然科学基金项目;编号:200901109-3;山西省留学基金项目;编号:2011-071

摘　　要：将溶胶-凝胶法与水热法相结合制备活性碳纤维(ACF)-Ag-TiO2纳米纤维复合材料,利用扫描电镜、透射电镜、能量色散型X射线光谱仪对ACF-Ag-TiO2纳米纤维复合物的表面形貌及晶型进行表征,并以甲基橙的脱色降解为模式反应,考察样品的光催化性能.结果表明,ACF-Ag-TiO2纳米纤维长度为4～8 μm,直径约为5～50 nm；制备的材料中Ag元素的质量分数为0.5％时,ACF-Ag-TiO2的催化效果最优,光照30 min后时甲基橙的降解率为95％.Activated carbon fiber(ACF)-Ag-TiO2 nanofiber composite materials were prepared using hydrothermal method combining with sol-gel method.The samples were analyzed by SEM,TEM and EDS.Taking methylene orange degradation as a model reaction,the photocatalytic property of the material was investigated.The results indicate that the length of nanofibers is between 4 and 8 μm,and the diameter is between 5 and 50 nm.As the mass fraction of element Ag doping in the prepared materials is 0.5%,the photocatalysis efficiency was at the maximum.The photocatalysis efficiency on the methylene orange is up to 95% after lighting for 30 min.

关 键 词：活性碳纤维 纳米纤维 光催化性能 

分 类 号：TQ132.4+1[化学工程—无机化工]