微波掺氮有序多孔TiO_2材料的制备与性能  

Properties of Ordered Porous N-Doped TiO_2 Prepared by Microwave Irradiation

作　　者：江学良[1] 吉钰纯[1] 周爱军[1] 

机构地区：[1]武汉工程大学材料科学与工程学院,湖北武汉430073

出　　处：《高分子材料科学与工程》2011年第2期126-128,共3页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目(50773059)

摘　　要：采用晶胶模板法制备了有序多孔TiO2材料,在微波辐照条件下对其掺氮改性,利用扫描电镜(SEM)、X射线衍射(XRD)、光电子能谱(XPS)方法对掺氮TiO2材料进行表征,并研究掺氮前后TiO2材料光催化性能。实验结果显示,通过晶胶模板法所制备的有序多孔TiO2材料的整体比较致密,但局部有孔洞的塌陷。微波辐照前后有序多孔TiO2材料的晶型没有改变,依然为锐钛型。XPS分析发现微波辐照后有序多孔TiO2材料含有少量的氮元素,表明微波辐照制备掺氮有序多孔TiO2材料是成功的。掺氮TiO2材料的光催化性能好于未掺氮TiO2光催化性能。Ordered porous TiO2 materials were prepared by the colloidal crystal templating method,and N-doped TiO2 was obtained by microwave irradiation.N-doped TiO2 was characterized by scanning electron microscope（SEM）,X-ray diffraction（XRD） and X-ray photoelectron specroscopy（XPS）,the photocatalysis properties of N-doped TiO2 were studied compared to non-N-doped TiO2.The results indicate that the close-packed porous TiO2 is obtained,but part faulty can be seen.The microwave irradiation doesn＇t change crystal form of porous TiO2 which is a single anatase.XPS analysis shows that the method of the microwave irradiation is successful since the sample after the microwave irradiation contains a little N element.The photocatalysis property of N-doped TiO2 is better than that of non-N-doped TiO2.

关 键 词：二氧化钛 晶胶模板 掺氮 微波辐射 光催化 

分 类 号：TB383[一般工业技术—材料科学与工程]