| SnP2+-TiO2的可见光催化活性及其在介孔蒙脱石上的负载 |
| |
| 引用本文： | 李芳菲,杨殿范,夏茂盛,王岩,蒋引珊.SnP2+-TiO2的可见光催化活性及其在介孔蒙脱石上的负载[J].无机材料学报,2011(9):917-922. |
| |
| 作者姓名： | 李芳菲 杨殿范 夏茂盛 王岩 蒋引珊 |
| |
| 作者单位： | 吉林大学材料科学与工程学院汽车材料教育部重点实验室; |
| |
| 基金项目： | 国家自然科学基金(50574043,40772028)~~ |
| |
| 摘 要： | 分别以氯化锡和氯化亚锡为Sn源,使用溶胶-凝胶法制备出不同掺杂量的Sn-TiO2,比较了Sn2+与Sn4+对掺杂后TiO2可见光催化活性的影响.实验结果显示,Sn2+与Sn4+均能显著抑制TiO2晶粒生长,并促进其晶型转变.但Sn2+-TiO2的可见光催化活性却明显优于Sn4+-TiO2,这主要是Sn2+外层半充满的电子轨道结构引起的.将可见光催化活性很高的Sn2+-TiO2负载于大比表面积、高稳定性的介孔蒙脱石上,由于载体与Sn-TiO2之间发生了相互作用,负载后样品的UV-Vis光谱吸收边相对于Sn-TiO2发生了显著红移,且可见光催化活性也有大幅提高.
|
| 关 键 词： | Sn-TiO2 可见光催化活性 介孔蒙脱石 负载 |
Visible-light Photocatalytic Activity of Sn~(2+)-doped TiO_2 and Its Loading Effect on |
| |
| LI Fang-Fei,YANG Dian-Fan,XIA Mao-Sheng,WANG Yan,JIANG Yin-San.Visible-light Photocatalytic Activity of Sn~(2+)-doped TiO_2 and Its Loading Effect on[J].Journal of Inorganic Materials,2011(9):917-922. |
| |
| Authors: | LI Fang-Fei YANG Dian-Fan XIA Mao-Sheng WANG Yan JIANG Yin-San |
| |
| Affiliation: | LI Fang-Fei,YANG Dian-Fan,XIA Mao-Sheng,WANG Yan,JIANG Yin-San(Key Laboratory of Automobile Materials,Ministry of Education,Department of Material Science and Engineering,Jilin University,Changchun 130025,China) |
| |
| Abstract: | Two different tin salts,SnCl2-2H2O and SnCl4-5H2O,were employed in the synthesis of Sn-doped TiO2.And the crystal structures and visible-light photocatalytic activities between Sn2+-doped TiO2 and Sn4+-doped TiO2 were compared.The results show that both the anatase-to-rutile phase transformation temperature and the crystal growth of TiO2 are remarkably decreased by Sn dopant,and the Sn2+ dopant shows the higher efficiency than Sn4+ dopant.And despite the similar spectra of XRD and FTIR,Sn2+-doped TiO2 displ... |
| |
| Keywords: | Sn-doped TiO2 visible-light photocatalytic activity mesoporous montmorillonite loading |
| 本文献已被 CNKI 等数据库收录！ |
|
