采用透射电子显微镜、扫描电子显微镜、X射线荧光分析、X射线光电子能谱、紫外.可见漫反射光谱和吡啶吸附傅里叶变换红外光谱等表征方法以及偶氮染料甲基橙的吸附和光降解反应,研究了ZSM-5晶粒度对TiO2/ZSM-5光催化剂性能的影响.结果表明,TiO2主要负载于ZSM.5沸石外表面,因而减小载体晶粒度有利于提高TiO2的负载量和分散性.纳米ZSM-5沸石负载的TiO2催化剂具有较高的甲基橙吸附量,且吸附发生在ZSM-5外表面的酸中心上,催化剂良好的吸附能力促进了甲基橙的光降解.
参考文献
| [1] | Shankar MV;Cheralathan KK;Arabindoo B;Palanichamy M;Murugesan V .Enhanced photocatalytic activity for the destruction of monocrotophos pesticide by TiO2/H beta[J].Journal of molecular catalysis, A. Chemical,2004(1/2):195-200. |
| [2] | Shankar M V;Anandan S;Venkatachalam N;Arabindoo B,Murugesan V .[J].Chemosphere,2006,63:1014. |
| [3] | Lj G;Zhao X S;Ray M B;Labinger J A .[J].Separation and Purification Technology,2007,55:91. |
| [4] | Reddy E P;Davydov L;Smirniotis P .[J].Applied Catalysis B:Environmental,2003,42:1. |
| [5] | Noorjahan M.;Kumari VD.;Subrahmanyam M.;Boule P. .A novel and efficient photocatalyst: TiO2-HZSM-5 combinate thin film[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2004(3):209-213. |
| [6] | Vaisman E;Cook R L;Langford C H .[J].Journal of Physical Chemistry B,2000,104:8679. |
| [7] | Xu Y;Langford C H .[J].Journal of Physical Chemistry,1995,99:11501. |
| [8] | Takeuchi M;Kimura T;Hidaka M;Rakhmawaty D,Anpo M .[J].Journal of Catalysis,2007,246:235. |
| [9] | Zhang S1;Fujii N;Nosaka Y .[J].Journal of Molecular Catalysis A:Chemical,1998,129:219. |
| [10] | Chen J;Eberlein L;Langford C H .[J].Journal of Photochemistry and Photobiology A,2002,148:183. |
| [11] | Cosa G.;Galletero MS.;Fernandez L.;Marquez F.;Garcia H.;Scaiano JC. .Tuning the photocatalytic activity of titanium dioxide by encapsulation inside zeolites exemplified by the cases of thianthrene photooxygenation and horseradish peroxidase photodeactivation[J].New Journal of Chemistry,2002(10):1448-1455. |
| [12] | Yahiro H;Miyamoto T;Watanabe N;Yamaura H .[J].Catalysis Today,2007,120:158. |
| [13] | van den Berg A W C;Gora L;Jansen J C;Makkee M,Maschmeyer Th .[J].Journal of Membrane Science,2003,224:29. |
| [14] | Xu Y;Langford C H;J Phys Chem B .[J].,1997,101:3115. |
| [15] | Yamashita H;Kawasaki S;Yuall S;Matsumura M .[J].Catalysis Today,2007,126:375. |
| [16] | Kitano M;Matsuoka M;Ueshima M;Anpo M .[J].Applied Catalysis A:General,2007,325:1. |
| [17] | Zheng S.;Zhang QH.;Guo JK.;Gao LA. .Synthesis, characterization and photocatalytic properties of titania-modified mesoporous silicate MCM-41[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2000(3):723-727. |
| [18] | Li FF;Jiang YS;Yu LX;Yang ZW;Hou TY;Sun SM .Surface effect of natural zeolite (clinoptilolite) on the photocatalytic activity of TiO2[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2005(5):1410-1416. |
| [19] | Zhcng S;Liz P;Gao L .[J].Materials Chemistry and Physics,2004,85:195. |
| [20] | 王学琴;王祥生;郭新闻 .[P].CN 99102700.0,1999. |
| [21] | 郭洪臣;张艳侠;刘慧敏;邹隆江,陈黎行,王祥生 .[P].CN 2005 10200328.9,2005. |
| [22] | 高敏,刘春燕,王刃,郭洪臣.在含乙醇的硅铝凝胶中合成ZSM-5沸石[J].化学通报（印刷版）,2009(12):1097-1103. |
| [23] | 任成军,钟本和,刘恒,张允湘.纳米二氧化钛薄膜光催化剂的合成及特性[J].高校化学工程学报,2004(01):57-61. |
| [24] | Zhang W P;Bao X H;Guo X W;Wang X S .[J].Catalysis Letters,1999,60:89. |
| [25] | 余海湖,余丁山,李小甫,周灵德,姜德生.二氧化钛胶体及其自组装薄膜的光谱分析[J].光学学报,2005(10):1425-1428. |
| [26] | Klaas J;Schulz-Eklofr G;Jaeger N I .[J].Journal of Physical Chemistry B,1997,101:1305. |
| [27] | Sharma MVP;Lalitha K;Durgakumari V;Subrahmanyam M .Solar photocatalytic mineralization of isoproturon over TiO2/HY composite systems[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2008(3):332-342. |
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%