将单斜白钨矿结构的BiVO4固载于中孔MCM-41分子筛上,制备了BiVO4-MCM-41复合催化剂,并对催化剂进行了表征,考察了催化剂在光催化亚甲基蓝降解反应中的催化活性. 结果表明, BiVO4首先在MCM-41分子筛上形成锆石结构或四面体白钨矿结构的结晶,通过水热处理之后转变为单斜结构的结晶. BiVO4-MCM-41催化剂不仅保持了BiVO4较高的光催化活性,而且提高了对亚甲基蓝的吸附性能,从而提高了对亚甲基蓝降解反应的光催化活性.
参考文献
| [1] | Kudo A .[J].Catalysis Surveys From Asia,2003,7(01):31. |
| [2] | Kudo A;Kato H;Tsuji I .[J].Chemistry Letters,2004,33(12):1534. |
| [3] | Kudo A;Omori K;Kato H .[J].Journal of the American Chemical Society,1999,121(49):11459. |
| [4] | Kohtani S;Makino S;Kudo A;Tokumura K Ishigaki Y Matsunaga T Nikaido O Hayakawa K Nakagaki R .[J].Chemistry Letters,2002,31(07):660. |
| [5] | Kohtani S;Koshiko M;Kudo A;Tokumura K Ishigaki Y Toriba A Hayakawa K Nakagaki R .[J].Applied Catalysis B:Environmental,2003,46(03):573. |
| [6] | Kohtani S;Hiro J;Yamamoto N;Kudo A Tokumura K Nakagaki R .[J].Catalysis Communications,2005,6(03):185. |
| [7] | Roth R S;Waring J L .[J].American Mineralogist,1963,48:1348. |
| [8] | Sleight A W;Chen H Y;Ferretti A;Cox D E .[J].Materials Research Bulletin,1979,14(12):1571. |
| [9] | Gotic M;Music S;Ivanda M;Soufek M;Popovic S .Synthesis and characterisation of bismuth(III) vanadate[J].Journal of Molecular Structure,2005(0):535-540. |
| [10] | Tokunaga S;Kato H;Kudo A .[J].CHEMISTRY OF MATERIALS,2001,13(12):4624. |
| [11] | Galembeck A.;Alves OL. .BiVO4 thin film preparation by metalorganic decomposition[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2000(1):90-93. |
| [12] | Neves MC.;Trindade T. .Chemical bath deposition of BiVO4[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2002(1/2):93-97. |
| [13] | Hirota K;Komatsu G;Yamashita M;Takemura H Yamaguchi O .[J].Materials Research Bulletin,1992,27(07):823. |
| [14] | Sayama K;Nomura A;Zou Z;Abe R Abe Y Arakawa H.[J].Chemical Communications,2003(23):2908. |
| [15] | Liu H M;Nakamura R;Nakato Y .[J].Journal of the Electrochemical Society,2005,152(11):G856. |
| [16] | Chen, XY;Zhang, ZJ;Lee, SW .Selective solution-phase synthesis of BiOCl, BiVO4 and delta-Bi2O3 nanocrystals in the reaction system of BiCl3-NH4VO3-NaOH[J].Journal of Solid State Chemistry,2008(1):166-174. |
| [17] | Liu J B;Wang H;Wang S;Yan H .[J].Materials Science and Engineering B:Solid State Materials for Advanced Technology,2003,104(1-2):36. |
| [18] | Xie B P;Zhang H X;Cai P X;Qiu R L Xiong Y .[J].Chemosphere,2006,63(06):956. |
| [19] | Zhang X;Ai ZH;Jia FL;Zhang LZ;Fan XX;Zou ZG .Selective synthesis and visible-light photocatalytic activities of BiVO4 with different crystalline phases[J].Materials Chemistry and Physics,2007(1):162-167. |
| [20] | Yu JQ;Kudo A .Effects of structural variation on the photocatalytic performance of hydrothermally synthesized BiVO4[J].Advanced functional materials,2006(16):2163-2169. |
| [21] | Zhou L;Wang WZ;Liu SW;Zhang LS;Xu HL;Zhu W .A sonochemical route to visible-light-driven high-activity BiVO4 photocatalyst[J].Journal of molecular catalysis, A. Chemical,2006(1/2):120-124. |
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