以正硅酸乙酯、钛酸异丙酯为前驱体,尿素为沉淀剂,改进的均匀沉淀法制备了TiO2-SiO2介孔复合材料,用XRD、FTIR、氮气吸附-脱附、XPS等对材料进行了表征.结果表明:Ti/Si摩尔比为0.5的介孔复合材料平均孔径为3.2nm,比表面积达到609m2/g.用光还原法在材料表面沉积适量的贵金属Pt,大大提高了材料的光催化活性.
参考文献
| [1] | Honda K,Fujishima A.Nature,1972,238:37-38. |
| [2] | Arabatzis I M,Stergiopoulos T,Bernard M C,et al.Applied Catalysis B:Environmental,2003,42 (2):187-201. |
| [3] | Lucia L A,Dahm A.Industrial and Engineering Chemistry Research,2004,43 (25):7996-8000. |
| [4] | Zheng Shan,Gao Lian,Zhang Qing-Hong,et al.J.Mater.Chem.,2000,10 (3):723-727. |
| [5] | 张文华,施剑林,陈航榕,等(ZHANG Wen-Hua,et al).无机材料学报(Journal of Inorganic Materials),2001,16(1):87-92. |
| [6] | 席红安,方能虎,李中凯,等.化学学报,2002,60(12):2124-2128. |
| [7] | Kim Moo-Jin,Chang Soo-Hyun,Choi Jung-Sik,et al.Reaction Kinetics and Catalysis Letters,2004,82 (1):27-32. |
| [8] | Tanev P T,Pinnavaia T J.Science,1995,267 (10):865-867. |
| [9] | Liu Z,Davis R J.J.Phy.Chem.,1994,98 (4):1253-1261. |
| [10] | Kosuge K,Singh P S.J.Phys.Chem.B.,1999,103 (18):3563-3569. |
| [11] | Grieken R V,Aguado J,López-Mu(n)oz M J.J.Photochem.Photobiol.A:Chem.,2002,148:315-322. |
| [12] | 张青红,高濂.化学学报,2005,63(1):65-70. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%