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1、SeminarI(2008.5.27)ResearchProgressofOrderedMesoporous Transition-MetalOxidesMaterials指导教师：申文杰研究员研究生：郭小惠OutlineApplicationsSynthesisOutlookOMTMOMainlyinCatalyticMechanism&MethodologyChallengeIntroductionPhylogeny&PropertyIntroductionSynthesisOutlookApplic
2、ations2003Thefirstmesoporousmaterialswithsinglecrystallinewall1998Mesoporousmetaloxideswithsemicrystallineframework1995/1996Thefirststablemesoporousmaterial1993/1994Non-silica-basedmesostructuredmaterialsResearchevolutionofmesoporousmaterialsIntroduction-
3、--phylogenyWO31992PeriodicmesoporoussilicatesM41SNature,1992,359,710Nature,1994,368:317Angew.Chem.,1995,34,2014Nature,1998,396,152Chem.Commun.,2003,98Cr2O3ZrO2TiO2MCM-41Introduction---propertiesLargesurfaceareasUniformporesizeRedoxactivityElectricandoptic
4、alpropertiesPhotoelectricityEnergysourcesCatalysisElectromagnetismSensorElectrochemistryChallengesfortransitionmetaloxidessynthesis:LackofknowledgeaboutotherelementsexceptforsiliconandaluminumUncontrolledcondensationyieldsmacroscopicphasesegregationDiffic
5、ulttoremovethetemplatesandcreateporousmaterialsOMTMOOutlineApplicationsOutlookOMTMOIntroductionPhylogeny&PropertyMainlyinCatalyticChallengeIntroductionSynthesisMechanism&MethodologySynthesisOutlookApplicationsSyntheticmechanismFerdiSchuth,Chem.Mater.2001,
6、13,3184-3195Hardtemplating:SpecifictopologicalstabilityVeracityPredictabilityControllabilitySofttemplating:AmorphousmaterialStructurecollapsesThermodynamicsBasicPrinciplesKineticsSofttemplatingJieFanetal.,Chem.Mater.2008,20,909–921Thethermalstabilityofmes
7、ostructuredmetal-oxidephasesdependson:Thedegreeofcharge-matchingattheorganic–inorganicinterface---isoelectricpointsThestrengthofinteractionsbetweeninorganicspeciesandsurfactanthead-groupsTheflexibilityoftheM–O–MbondanglesintheconstituentmetaloxidesTheTamm
8、anntemperatureofthemetaloxideTheoccurrenceofredoxreactionsinthemetal-oxidewallM.A.Carreonetal.,Eur.J.Inorg.Chem.2005,27-43Nonionicamphiphile-zirconiumisopropoxideinteractionAnionicamphiphile-zirconiumn-propoxideinte
