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1、Reviewwww.acsami.orgGraphiticCarbonNitride:Synthesis,Properties,andApplicationsinCatalysis,????JunjiangZhu,*PingXiao,HailongLi,andSoniaA.C.Carabineiro??KeyLaboratoryofCatalysisandMaterialsScienceoftheStateEthnicA?airs&CommissionMinistryofEducation,South-CentralUniversityforN
2、ationalities,Wuhan430074,China?LaboratoryofCatalysisandMaterials(LCM),AssociateLaboratory(LSRE/LCM),DepartmentofChemicalEngineering,FacultyofEngineering,UniversityofPorto,RuaDr.RobertoFrias,4200-465Porto,PortugalABSTRACT:Graphiticcarbonnitride,g-C3N4,isapolymericmaterialcons
3、istingofC,N,andsomeimpurityH,connectedviatris-triazine-basedpatterns.Comparedwiththemajorityofcarbonmaterials,ithaselectron-richproperties,basicsurfacefunctionalitiesandH-bondingmotifsduetothepresenceofNandHatoms.Itisthusregardedasapotentialcandidatetocomplementcarboninmater
4、ialapplications.Inthisreview,abriefintroductiontog-C3N4isgiven,themethodsusedforsynthesizingthismaterialwithdi?erenttexturalstructuresandsurfacemorphologiesaredescribed,anditsphysicochemicalpropertiesarereferred.Inaddition,fouraspectsoftheapplicationsofg-C3N4incatalysisaredi
5、scussed:(1)asabasemetal-freecatalystforNOdecomposition,(2)asareferencematerialindi?erentiatingoxygenactivationsitesforoxidationreactionsoversupportedcatalysts,(3)asafunctionalmaterialtosynthesizenanosizedmetalparticles,and(4)asametal-freecatalystforphotocatalysis.Thereasonsf
6、ortheuseofg-C3N4forsuchapplicationsarealsogiven,andweexpectthatthispaperwillinspirereaderstosearchforfurthernewapplicationsforthismaterialincatalysisandinother?elds.KEYWORDS:graphiticcarbonnitride,synthesis,physicochemicalproperties,applications,metal-freecatalyst,referencem
7、aterial,functionalmaterial1.INTRODUCTIONCarbonnitridesareaclassofpolymericmaterialsconsisting1,2mainlyofcarbonandnitrogen.Theycanbeobtainedfromcarbonmaterials,throughsubstitutionofthecarbonatomsbynitrogen,andbecomeappealingcandidatesforavarietyofapplications.Likemostcarbonma
8、terials,carbonnitridesalsohavealonghistory,whichcanbetracedbackto1834,whena
