以十六烷基三甲基溴化铵(CTAB)为模板剂,钛酸正四丁酯(TBOT)为钛源,异丙醇为溶荆,通过醇热法合成介孔Ti02,用N2吸附-脱附、XRD、TEM等技术对合成样品进行了表征.以亚甲基蓝的降解为模型反应,对介孔TiO2催化性能进行评价并与商品DegussaP一25比较.实验结果表明,比表面积为248.8 m2·g-1,孔径为4.92 nm的锐钛矿晶型介孔TiO2具有很高的催化活性.
参考文献
| [1] | P.D.Yang,D.Y.Zhao,D.I.Margolese,B.F.Chemelka,G.D.Stucky,Generallized syntheses of large-pore meso-porous metal oxides with semicrystalline frameworks,Nature,396,152(1998) |
| [2] | J.C.Yu,Wang Xinchen,Fu Xianzhi,Pore-wall chemistry and photocatalytic activity of mesoporous titania molecular sieve films,Chem.Mater.,16,1523(2004) |
| [3] | CK.Sang,C.H.Min,H.H.Sung,W.L.Chung,H.J.Jong,S.K.Jae,K.Y.IK,J.K.Bui,Optical and photocatlytic properties of Pt-photodeposited sol-gel TiO2 thin films,Materials Letter,59(16),2059(2005) |
| [4] | M.V.Jorge,F.R.Claudio,C.Sergio,B.Pedro,H.L.Victor,The influence of surfactants on the roughness of titania sol-gel films,Material Characterization,58(3),233(2007) |
| [5] | K.N.P.Kumar,K.Keizer,A.J.Burggraaf,T.Oknbo,H.Nagamoto,S.Morooka,Densification of nanostructured titania assisted by a phase transformation,Nature,358,48(1992) |
| [6] | J.C.Yu,J.G.Yu,J.C.Zhao,Enhanced photocatalytic activity of mesoporous and ordinary TiO2 thin films by sulfuric acid treatment,Appl catal:B,36(1),31(2002) |
| [7] | D.L.Liao,B.Q.Liao,Shape,size and photocatlytic activity control of TiO2 nanoparticles with surfactants,Journal of Photochemistry and Photobiology A:Chemistry,187(2,3),363(2007) |
| [8] | Jian Zhu,zhen Feng Bian,Jie Ren,Yong Mei Liu,Yong Cao,He-Xing Li,Wei-Liu Dai,He-Yong He,Kang-Nian Fan,An intergrated low temperature approach to highly photoactive nanocrystalline mesostructured titania,Catal.Commun,8(7),971(2007) |
| [9] | K.W.Rajeev,Liu Yunping,C.F.Joshua,L.C.Vicki,Preparation of mesoporous TiO2 thin films by surfactant tem-plating,Non-cryst Solids,285(1),90(2001) |
| [10] | R K,Lin Y P,Falkner J C,Solvothermal synthesis and characterization of anatase TiO2 nanocrystals with uitrahigh surface area,Journal of Colloid and Interface Science,302(2),530(2006) |
| [11] | Y.Aita,M.Komatsu,S.Yin,S.Tsugi,Phase-compositional control and visible light photocatalytic activity of nitrogen-doped titania via solvothermal process,Journal of Solid State Chemistry,177(9),3235(2004) |
| [12] | XU Ruren,PANG Wenqin,Chemistry-Zeolites and Porous Materials (Beijing,Science Press,2004,145)(徐如人,庞文琴,分子筛与多孔材料化学(北京,科学出版社,2004,145)) |
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