掺银二氧化钛纳米带的制备及其光催化性能研究

材料工程, 2009, (10): 11-19. doi: 10.3969/j.issn.1001-4381.2009.10.003

掺银二氧化钛纳米带的制备及其光催化性能研究

袁颂东 ^1, , 曹小艳 ^2, , 王小波 ^3, , 石彪 ^4, , 汪金方 ^5,

1.湖北工业大学,化学与环境工程学院,武汉,430068

2.湖北工业大学,化学与环境工程学院,武汉,430068

3.湖北工业大学,化学与环境工程学院,武汉,430068

4.湖北工业大学,化学与环境工程学院,武汉,430068

5.湖北工业大学,化学与环境工程学院,武汉,430068

基金项目: 湖北省科技攻关项目资助(2005AA401C29)

关键词：银掺杂 , TiO2纳米带 , 光催化降解

Synthesis of Ag-doping TiO2 Nanobelt and Study on Its Photocatalytic Character

TiO2纳米带作为一种纳米光催化剂用于污水处理中时,能克服TiO2纳米颗粒不易分离同收等困难,对其进行贵金属掺杂,可提高其光催化活性.本研究以价格低廉的钛白粉为原料,采用水热法制备了掺银的TiO2纳米带,并运用XRD,SEM和EDS等对所制备的样品进行表征,进行了光催化降解甲基橙反应,考察了纳米带中的掺银量,煅烧温度等条件对降解甲基橙反应的影响.结果表明,当TiO2纳米带掺银量为0.1%(质量分数,下同),焙烧温度为700℃,催化剂用量为0.05g,室温下用15W紫外灯光照180min时,掺银的TiO2纳米带对甲基橙的降解率可达98.51%,较掺杂前提高了22%左右.

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材料期刊网

掺银二氧化钛纳米带的制备及其光催化性能研究

Synthesis of Ag-doping TiO2 Nanobelt and Study on Its Photocatalytic Character

参考文献