电纺丝合成树枝状Ag-TiO2复合材料及光催化降解有机物  

Branched Ag-TiO_2 Composite Obtained by Electrospinning and Degradation of Its Application for Photocatalytic Organic Pollution

作　　者：胡松[1] 刘洋[1] 李景虹[1] 

机构地区：[1]清华大学化学系,生命有机磷化学及化学生物学教育部重点实验室,北京100084

出　　处：《高等学校化学学报》2011年第10期2391-2395,共5页Chemical Journal of Chinese Universities

基　　金：国家自然科学基金(批准号:11079002);国家“九七三”计划项目(批准号:2011CB935700)资助

摘　　要：通过高压电纺丝方法合成TiO2纳米纤维,以此为模板构建树枝状Ag-TiO2复合材料.采用X射线衍射与扫描电镜对该材料进行结构与形貌表征.与商品化的TiO2(P25)及TiO2纳米纤维相比,该复合材料在亚甲基蓝的光催化降解过程中表现出更优异的催化性能.TiO2 nanofibers were synthesized by electrospinning technique and used as the template to fabricate branched Ag-TiO2 composite.The as-prepared Ag-TiO2 composites were characterized by X-ray diffraction and electron microscopy analysis techniques.The photocatalytic activities of as-prepared branched Ag-TiO2 composite were measured with the degradation of active methylene blue（MB）.Results show that the as-prepared branched Ag-TiO2 composite exhibited higher photocatalytic activity in comparison with TiO2 nanofibers and commercial TiO2 P25.

关 键 词：电纺丝 树枝状纳米结构 Ag-TiO2复合材料 光催化降解 

分 类 号：O643[理学—物理化学]