| 铁氮共掺杂TiO2光催化剂的制备及光催化性能 |
| |
| 引用本文： | 董刚,朱忠其,柳清菊. 铁氮共掺杂TiO2光催化剂的制备及光催化性能[J]. 功能材料, 2011, 42(11) |
| |
| 作者姓名： | 董刚 朱忠其 柳清菊 |
| |
| 作者单位： | 1. 云南大学云南省高校纳米材料与技术重点实验室,云南昆明650091／楚雄师范学院,云南楚雄675000
2. 云南大学云南省高校纳米材料与技术重点实验室,云南昆明,650091 |
| |
| 基金项目： | 国家自然科学基金资助项目(50862009,51062017) |
| |
| 摘 要： | 采用溶胶-凝胶法与微波合成法相结合制备铁氮共掺杂的TiO2光催化剂。通过XRD、FT-IR、UV-Vis、PL等对Fe-N-TiO2样品进行表征和分析,并以亚甲基蓝（MB）作为目标降解物,考察经不同温度热处理及不同掺铁量的样品对MB的降解效果。结果表明所制备的样品在700℃热处理5h后为锐钛矿相与金红石相混晶,样品的吸收阈值波长向可见光红移约45nm。铁氮共掺杂抑制了样品从锐钛矿相向金红石相的转变,提高了TiO2的光催化活性。在普通日光灯下,热处理温度为600℃、掺铁量与TiO2摩尔比为1︰200条件下制备的样品,其光催化活性明显高于Degussa P25。
|
| 关 键 词： | Fe-N共掺杂 纳米TiO2 光催化 |
Preparation and photocatalytic property of TiO_2 photocatalyst codoped with iron and nitrogen |
| |
| DONG Gang,,ZHU Zhong-qi,LIU Qing-ju. Preparation and photocatalytic property of TiO_2 photocatalyst codoped with iron and nitrogen[J]. Journal of Functional Materials, 2011, 42(11) |
| |
| Authors: | DONG Gang ZHU Zhong-qi LIU Qing-ju |
| |
| Affiliation: | DONG Gang1,2,ZHU Zhong-qi1,LIU Qing-ju1(1.Yunnan Key Laboratory of Nanomaterials & Nanotechnology,Yunnan University,Kunming 650091,China,2.Chuxiong Normal University,Chuxiong 675000,China) |
| |
| Abstract: | The TiO2 photocatalyst samples co-doped with iron and nitrogen were prepared by sol-gel method and microwave chemical method.The samples were analyzed by XRD,FT-IR,UV-Vis,PL etc.The photocatalytic activity of the samples doped with different Fe content and sintered at different temperature were investigated by measuring the methyl blue(MB)degradation rate under the fluorescent lamp irradiation.The results show that Fe-N-TiO2 samples are a mixed phase of anatase and rutile,and the threshold wavelength is red... |
| |
| Keywords: | iron and nitrogen co-doping titanium dioxide photocatalyst |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
