采用非水体系溶剂热法制备了(001)面暴露的锐钛矿相F/TiO2纳米光催化剂.结果表明,F的掺杂对TiO2纳米单晶的形成影响很大.一方面,F离子作为晶面导向剂稳定(001)晶面,形成(001)面暴露的锐钛矿相TiO2;另一方面,F离子也起到稳定剂作用,抑制纳米粒子的快速生长.以光催化降解甲基橙为模型反应比较了不同F/TiO2样品和商业P25样品的光催化活性.同时,通过选用不同捕获剂,研究了F/TiO2和P25样品在甲基橙降解反应中的活性物种.
参考文献
| [1] | Fujishima A;Honda K .[J].Nature,1972,238:37. |
| [2] | Li H;Bian Z;Zhu J;Huo Y Li H Lu Y .[J].Journal of the American Chemical Society,2007,129:4538. |
| [3] | Snaith H J;Schmidt-Mende L .[J].Advanced Materials,2007,19:3187. |
| [4] | Yang H G;Sun C H;Qiao S Z;Zou J Liu G Smith S C Cheng H M Lu G Q .[J].Nature,2008,453:638. |
| [5] | Han, XG;Kuang, Q;Jin, MS;Xie, ZX;Zheng, LS .Synthesis of Titania Nanosheets with a High Percentage of Exposed (001) Facets and Related Photocatalytic Properties[J].Journal of the American Chemical Society,2009(9):3152-3153. |
| [6] | Dai, YQ;Cobley, CM;Zeng, J;Sun, YM;Xia, YN .Synthesis of Anatase TiO2 Nanocrystals with Exposed {001} Facets[J].Nano letters,2009(6):2455-2459. |
| [7] | Liu, G;Sun, CH;Yang, HG;Smith, SC;Wang, LZ;Lu, GQ;Cheng, HM .Nanosized anatase TiO2 single crystals for enhanced photocatalytic activity[J].Chemical communications,2010(5):755-757. |
| [8] | Liu S W;Yu J G;Jaroniec M .[J].Journal of the American Chemical Society,2010,132:11914. |
| [9] | Xiang Q J;Lv K L;Yu J G .[J].Applied Catalysis B:Environmental,2010,96:557. |
| [10] | Amano F;Prieto-Mahaney O O;Terada Y;Yasumoto T Shibayama T Ohtani B .[J].Chemistry of Materials,2009,21:2601. |
| [11] | Zhang, DQ;Li, GS;Wang, HB;Chan, KM;Yu, JC .Biocompatible Anatase Single-Crystal Photocatalysts with Tunable Percentage of Reactive Facets[J].Crystal growth & design,2010(3):1130-1137. |
| [12] | Yu J G;Xiang Q J;Ran J R;Mann S .[J].CtystEngComm,2010,12:872. |
| [13] | Alivov Y;Fan Z Y .[J].Journal of Physical Chemistry C,2009,113:12954. |
| [14] | Yu J G;Qi L F;Jaroniec M .[J].Journal of Physical Chemistry C,2010,114:13118. |
| [15] | Yu J G;Fan J J;Lv K L .[J].Nanoscale,2010,2:2144. |
| [16] | Zhu J;Wang S H;Bian Z F;Xie S H Cai C L Wang J G Yang H G Li H X .[J].Crystal Engineering Communications,2010,12:2219. |
| [17] | Alberius PCA.;Frindell KL.;Hayward RC.;Kramer EJ.;Stucky GD.;Chmelka BF. .General predictive syntheses of cubic, hexagonal, and lamellar silica and titania mesostructured thin films[J].Chemistry of Materials,2002(8):3284-3294. |
| [18] | Yu J G;Liu S W;Yu H G .[J].Journal of Catalysis,2007,249:59. |
| [19] | Jun Y W;Casula M F;Sim J H;Kim S Y Cheon J Alivisatos A P .[J].Journal of the American Chemical Society,2003,125:15981. |
| [20] | Liu HM.;Yang WS.;Ma Y.;Cao Y.;Yao JN.;Zhang J.;Hu TD. .Synthesis and characterization of titania prepared by using a photoassisted sol-gel method[J].Langmuir: The ACS Journal of Surfaces and Colloids,2003(7):3001-3005. |
| [21] | Kurtz R L;Stockbauer R;Madey T E;Roman E Desegovia J L .[J].Surface Science,1989,218:178. |
| [22] | Gopel W;Anderson J A;Frankel D;Jaehnig M,Phillips K,Schafer J A,Rocker G .[J].Surface Science,1984,139:333. |
| [23] | Jing LQ;Qu YC;Wang BQ;Li SD;Jiang BJ;Yang LB;Fu W;Fu HG;Sun JZ .Review of photoluminescence performance of nano-sized semiconductor materials and its relationships with photocatalytic activity[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2006(12):1773-1787. |
| [24] | Zhu J;Bian Z F;Ren J;Liu Y M Cao Y Li H X Dai W L He H Y Fan K N .[J].Catalyst Communication,2007,8:971. |
| [25] | Huo Y N;Zhang X Y;Jin Y;Zhu J Li H X .[J].Applied Catalysis B:Environmental,2008,83:78. |
| [26] | Yu JC;Li GS;Wang XC;Hu XL;Leung CW;Zhang ZD .An ordered cubic Im3m mesoporous Cr-TiO2 visible light photocatalyst[J].Chemical communications,2006(25):2717-2719. |
| [27] | Zhang D Q;Li G S;Wang F;Yu J C .[J].Crystal Engineering Communications,2010,12:1759. |
| [28] | Li G S;Zhang D Q;Yu J C .[J].Physical Chemistry Chemical Physics,2009,11:3775. |
| [29] | Minero C.;Maurino V.;Vione D.;Pelizzetti E.;Mariella G. .Photocatalytic transformation of organic compounds in the presence of inorganic ions. 2. Competitive reactions of phenol and alcohols an a titanium dioxide-fluoride system[J].Langmuir: The ACS Journal of Surfaces and Colloids,2000(23):8964-8972. |
| [30] | Cheng S P;Zhu Y F .[J].Environmental Science and Technology,2010,44:5570. |
| [31] | Zhuang J D;Dai W X;Tian Q F;Li Z H Xie L Y Wang J X Liu P Shi X C Wang D H .[J].Langmuir,2010,26:9686. |
| [32] | Palominos R;Freer J;Mondaca MA;Mansilla HD .Evidence for hole participation during the photocatalytic oxidation of the antibiotic flumequine[J].Journal of Photochemistry and Photobiology, A. Chemistry,2008(2/3):139-145. |
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%