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1、Trans.NonferrousMet.Soc.China25(2015)112−121ResearchprogressofAg3PO4-basedphotocatalyst:FundamentalsandperformanceenhancementYun-zhuMA,FanCHENG,Wen-shengLIU,JuanWANG,Yi-kaiWANGStateKeyLaboratoryofPowderMetallurgy,CentralSouthUniversity,Changsha410083,ChinaReceived10February2014;accepted
2、12May2014Abstract:Ag3PO4isfoundtobeahighlyefficientphotocatalystandreceivesgreatattention.Thehighactivityofthephotocatalystiscreditedtotheintrinsicelectronicstructure.Themorphologycontrolandnano-compositefabricationareusedtoimprovetheperformanceandpracticability.Thispaperreviewsthestruc
3、ture,propertiesandsometheoreticalaspectsofAg3PO4singlecrystal.Also,themajorstrategies,namelythemorphologycontrolandhetero-nanostructureconstruction,aswaystoimprovetheperformanceofAg3PO4-basedphotocatalysts,aresummarizedwiththeaidofsometypicalinstances.Keywords:Ag3PO4-basedphotocatalyst;
4、electronicstructure;morphologycontrol;hetero-structureconstruction;preparation;photocatalyticactivity[17−20],multi-metaloxides(Bi2WO6,BiVO4,CaBi2O4,1IntroductionInVO4,etc)[21−24],solidsolutions(ZnOx−GaN1−x,NaNbO3−AgNbO3,BiTa1−xNbxO4,etc)[25−27]havePollutantsreleasedbybothcivilianandmili
5、tarybeentriedintermsofobtainingthedesiredbandgapto+sectorshavebeenimposinggreatthreatsonthewaterachievevisibleabsorption.Amongthese,Ag-basedqualityworldwide[1−3].Thus,onbehalfofthemulti-metaloxides,especiallythosederivedbysustainabledevelopmentofhumansociety,largeamountcombiningAg2Oando
6、xidesofp-blockelementsofscientificandtechnologicaleffortsarepaidtoward(Ag3PO4,AgAlO2,AgGaO2,etc),werefoundtobewaterpurification.Amongthosestrategies,promising.Theimprovedphotocatalyticperformancecanheterogeneoussemiconductorphotocatalysishasbeenbecreditedtotheirsimilarelectronicstructur
7、es[28−30].recognizedgenerallyasapromisinggreenroutebecauseAsauniqueone,Ag3PO4issofartheonlyitpavesapossiblewayofutilizingthesolarirradiationcompoundthatincorporatesnonmetallicp-blockspecieorartificialindoorilluminationtodecomposeintoAg2O.Moreimportantly,itpossessesultra-highcon