| 掺银二氧化钛纳米带的制备及其光催化性能研究 |
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| 引用本文： | 袁颂东,曹小艳,王小波,石彪,汪金方.掺银二氧化钛纳米带的制备及其光催化性能研究[J].材料工程,2009(10). |
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| 作者姓名： | 袁颂东 曹小艳 王小波 石彪 汪金方 |
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| 作者单位： | 湖北工业大学,化学与环境工程学院,武汉,430068 |
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| 基金项目： | 湖北省科技攻关项目资助 |
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| 摘 要： | 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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| 关 键 词： | 银掺杂 TiO2纳米带 光催化降解 |
Synthesis of Ag-doping TiO_2 Nanobelt and Study on Its Photocatalytic Character |
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| YUAN Song-dong,CAO Xiao-yan,WANG Xiao-bo,SHI Biao,WANG Jin-fang.Synthesis of Ag-doping TiO_2 Nanobelt and Study on Its Photocatalytic Character[J].Journal of Materials Engineering,2009(10). |
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| Authors: | YUAN Song-dong CAO Xiao-yan WANG Xiao-bo SHI Biao WANG Jin-fang |
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| Affiliation: | YUAN Song-dong,CAO Xiao-yan,WANG Xiao-bo,SHI Biao,WANG Jin-fang(School of Chemical , Environmental Engineering,Hubei University of Technology,Wuhan 430068,China) |
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| Abstract: | Being a sort of 1D nano-photocatalytic,TiO2 nanobelt can overcome the shortcoming of TiO2 nanoparticle,which is hard to be recycled.The photocatalytic activity can be improved by doping noble metal.In the research,Ag-doping TiO2(Ag /TiO2) nanobelts with different Ag content were prepared with cheap titania pigment by hydrothermal method and analyzed by XRD,SEM and EDS.The photocatalytic degradation of methyl orange over Ag/TiO2 nanobelt was studied in aqueous suspension under UV light.The effect of Ag conte... |
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| Keywords: | Ag-doping TiO2 nanobelt photocatalytic degradation |
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