采用溶胶-凝胶/旋转涂覆法在玻璃基板表面制备介孔SiO2/Bi2 O3/TiO2分层薄膜.采用XRD、UV-vis及表面接触角测量仪对薄膜的结构、透光性及超亲水性进行分析.结果表明,介孔SiO2/Bi2 O3/TiO2分层薄膜仍然保持了表面SiO2的介孔结构,在无光照条件下仍具有超亲水性.涂有硬脂酸的薄膜在紫外光照射后恢复了其超亲水性,具有良好的自洁净性能.且SiO2/Bi2 O3/TiO2分层薄膜表现出比单独的SiO2/TiO2和SiO2/Bi2O3分层薄膜更高的光催化活性.
参考文献
| [1] | Wang R.;Fujishima A.;Chikuni M.;Kojima E.;Kitamura A. Shimohigoshi M.;Watanabe T.;Hashimoto K. .Photogeneration of highly amphiphilic TiO2 surfaces[J].Advanced Materials,1998(2):135-13+. |
| [2] | Chalita Ratanatawanate;Yuan Tao;Kenneth J. Balkus, Jr. .Photocatalytic Activity of PbS Quantum Dot/TiO2 Nanotube Composites[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2009(24):10755-10760. |
| [3] | Michael H.Bartl;Stefan P.Puls;Jing Tang .Cubic Mesoporous Frameworks with a Mixed Semiconductor Nanocrystalline Wall Structure and Enhanced Sensitivity to Visible Light[J].Angewandte Chemie,2004(23):3037-3040. |
| [4] | Jia Hong Pan;Wan In Lee .Preparation of Highly Ordered Cubic Mesoporous WO_3/TiO_2 Films and Their Photocatalytic Properties[J].Chemistry of Materials,2006(3):847-853. |
| [5] | 梁凯,唐丽永,李国华.TiO2/α-Fe2O3和TiO2/叶FeOOH纳米复合材料的制备与表征[J].人工晶体学报,2011(04):1011-1016. |
| [6] | Zhang LS;Wang WZ;Yang JO;Chen ZG;Zhang WQ;Zhou L;Liu SW .Sonochemical synthesis of nanocrystallite Bi2O3 as a visible-light-driven photocatalyst[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2006(0):105-110. |
| [7] | Jingjing Xu;Yanhui Ao;Degang Fu;Chunwei Yuan .Synthesis Of Bi_2o_3-tio_2 Composite Film With High-photocatalytic Activity Under Sunlight Irradiation[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2008(5P1):2365-2369. |
| [8] | Peiyi Chen;Yun Hu;Chaohai Wei .Preparation of superhydrophilic mesoporous SiO_2 thin films[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2012(10):4334-4338. |
| [9] | Wu XH;Qin W;He WD .Thin bismuth oxide films prepared through the sol-gel method as photocatalyst[J].Journal of molecular catalysis, A. Chemical,2007(26):167-171. |
| [10] | Neil J. Shirtcliffe;Glen McHale;Michael I. Newton;Carole C. Perry;Paul Roach .Porous materials show superhydrophobic to superhydrophilic switching[J].Chemical communications,2005(25):3135-3137. |
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%