title: Nanocasted synthesis of mesoporous metal oxides and mixed oxides from mesoporous cubic (Ia3d) vinylsilica.
abstract: Mesoporous metal oxides and mixed oxides, such as NiO, CeO2, Cr2O3, Fe203, Mn2O3, NiFe2O4 and Ce(x)Zr(1-x)O2 (x=0.8 and 0.6) have been synthesized by nanocasting from mesoporous cubic (la3d) vinyl-functionalized silica (vinylsilica). Their structural properties were characterized by XRD, TEM, N2-sorption and Raman spectra. Thus-prepared mesoporous materials possess a high BET surface area (110-190 m2g(-1)), high pore volume (0.25-0.40 cm3g(-1)) and relatively ordered structures. The catalytic properties of Cr2O3 were tested in the oxidation of toluene. The mesoporous Cr2O3 exhibits unusually high catalytic activity in the complete oxidation of toluene as compared with commercial Cr2O3.
authors.affiliation: Lab for Advanced Materials, Research Institute of Industrial Catalysis, East China, University of Science and Technology, Shanghai 200237, PR China.
authors.forename: Yangang
authors.initials: Y
authors.lastname: Wang
authors.forename: Yanqin
authors.initials: Y
authors.lastname: Wang
authors.forename: Xiaohui
authors.initials: X
authors.lastname: Liu
authors.forename: Yun
authors.initials: Y
authors.lastname: Guo
authors.forename: Yanglong
authors.initials: Y
authors.lastname: Guo
authors.forename: Guanzhong
authors.initials: G
authors.lastname: Lu
authors.forename: Ferdi
authors.initials: F
authors.lastname: Schüth
mesh_terms: D002384:Catalysis; D003460:Crystallization / Q000379:methods*; D046911:Macromolecular Substances / Q000737:chemistry; D008422:Materials Testing; D008670:Metals / Q000737:chemistry*; D008968:Molecular Conformation; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure*; D036103:Nanotechnology / Q000379:methods*; D010084:Oxidation-Reduction; D010087:Oxides / Q000737:chemistry*; D010316:Particle Size; D016062:Porosity; D012822:Silicon Dioxide / Q000737:chemistry*; D013499:Surface Properties; D014050:Toluene / Q000737:chemistry*; D014753:Vinyl Compounds / Q000737:chemistry*
chemical_list: D046911:Macromolecular Substances; D008670:Metals; D010087:Oxides; D014753:Vinyl Compounds; D014050:Toluene; D012822:Silicon Dioxide