| 溶胶-凝胶及水热法制备掺杂铁、铬离子的二氧化钛光催化剂 |
| |
| 引用本文： | 朱杰芳,傅文,何斌,张金龙.溶胶-凝胶及水热法制备掺杂铁、铬离子的二氧化钛光催化剂[J].影像科学与光化学,2004,22(4):241-243. |
| |
| 作者姓名： | 朱杰芳 傅文 何斌 张金龙 |
| |
| 作者单位： | 华东理工大学, 精细化工研究所, 上海200237 |
| |
| 摘 要： | 通过溶胶 凝胶法结合水热处理制备了掺杂铁或铬离子的纳米尺寸锐钛矿型TiO2光催化剂.用XRD、BET、TEM、EPR和UV VisDRS对样品进行了系列表征.在对活性偶氮染料XRG的降解中,可见光激发下适量掺杂的TiO2呈现出优于纯TiO2和P25的活性,同时掺杂并未降低其在紫外光激发下的活性.
|
| 关 键 词： | TiO2 光催化剂 溶胶凝胶法 水热处理 掺杂 |
| 收稿时间： | 2004-03-12 |
Fe3 +,Cr3 + -doped TiO2 Photocatalysts Prepared by the Sol-Gel and Hydrothermal Method |
| |
| ZHU Jie-fang,FU Wen,HE Bin,ZHANG Jin-long.Fe3 +,Cr3 + -doped TiO2 Photocatalysts Prepared by the Sol-Gel and Hydrothermal Method[J].Imaging Science and Photochemistry,2004,22(4):241-243. |
| |
| Authors: | ZHU Jie-fang FU Wen HE Bin ZHANG Jin-long |
| |
| Institution: | Institute of Fine Chemicals, East China University of Science and Technology, P.R. China |
| |
| Abstract: | Fe3 +,Cr3 +-doped anatase nanosized TiO2 photocatalysts have been prepared by combining sol-gel method with hydrothemal treatment. The samples were characterized by XRD,BET,TEM, EPR and UV-Vis diffuse reflectance spectra(DRS). For the liquid phase photoeatalytic decolorization of XRG, the photoactivity of TiO2 doped with appropriate content of Fe3 + or Cr3 + exceeded those of non-doped TiO2 and P25(Degussa)under visible light irradiation, meanwhile their photoactivity under UV excitation was not reduced by doping. |
| |
| Keywords: | titanium dioxide photocatalyst sol-gel hydrothermal treatment doping |
| 本文献已被 万方数据 等数据库收录！ |
| 点击此处可从《影像科学与光化学》浏览原始摘要信息 |
| 点击此处可从《影像科学与光化学》下载免费的PDF全文 |
|
