以非离子表面活性剂三嵌段共聚物聚环氧乙烯醚-聚环氧丙烯醚-聚环氧乙烯醚P123和聚乙二醇(PEG)为复合模板剂,采用溶胶-凝胶法制备了介孔TiO2光催化剂.研究了催化剂制备条件和反应条件对光催化性能的影响.Y掺杂后,催化剂的可见光催化降解甲基橙活性增加.用BET、XRD和FT-IR等对催化剂进行了表征.
参考文献
| [1] | Bozhi Tian;Xiaoying Liu;Bo Tu;Chengzhong Yu;Jie Fan;Limin Wang;Songhai Xie;Galen D. Stucky;Dongyuan Zhao .Self-adjusted synthesis of ordered stable mesoporous minerals by acid-base pairs[J].Nature materials,2003(3):159-163. |
| [2] | M. Thieme;F. Schuth .Preparation of a mesoporous high surface area titanium oxo phosphate via a non-ionic surfactant route[J].Microporous and Mesoporous Materials,1999(2/3):193-200. |
| [3] | 卢维奇,赵黎明.纳米TiO2改性可见光催化降解有机物研究进展[J].环境污染治理技术与设备,2006(05):10-15. |
| [4] | L. Saadoun;J. A. Ayllon;J. Jimenez-becerril;J. Peral;X. Domenech;R. Rodriguez-clemente .Synthesis and photocatalytic activity of mesoporous anatase prepared from tetrabutylammonium-titania composites[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2000(2):193-202. |
| [5] | Yusuf MM.;Hirashima H.;Imai H. .Preparation of mesoporous TiO2 thin films by surfactant templating[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2001(1/3):90-95. |
| [6] | 卢维奇,赵黎明,刘弋璐,黄肖容.镧或钕掺杂TiO2可见光催化剂及其对甲基橙的降解活性[J].稀土,2006(01):30-32. |
| [7] | Yang P D;Zhao D Y;Margolese D I et al.Generallized syntheses of large-pore mesoporous metal oxides withsemicrystalline frameworks[J].Nature,1998,396:152-155. |
| [8] | Wu L;Yu JC;Wang XC;Zhang LH;Yu JG .Characterization of mesoporous nanocrystalline TiO2 photocatalysts synthesized via a sol-solvothermal process at a low temperature[J].International Journal of Quantum Chemistry,2005(1):321-328. |
| [9] | Gregg S J;Sing K S W.Adsorption,Surface Area and Porosity[M].London,UK:Academic Press,1995 |
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