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延时符SyntheticmethodsCONTENTS12345ReferencesBackgroundStructureandPropertiesApplication延时符Background01A=CH3NH3+(MA+),NH2CH=NH2+(FA+)B=Pb2+,Sn2+X=Cl-,Br-,I-CrystalStructureHexagonalTetragonalCubicOrthorhombicCorundumstructure0.750.9611.1TheGoldschmidttolerancefactor:Organic-InorganicMetalHalidePerovskitet=(r𝐴+r𝑋)2(𝑟𝐵+𝑟𝑋)OxygenorMoisture-InducedDecompositionNat.Commun.,2017,8,15218Nanoletters,2014,14(5):2584-2590All-InorganicLeadHalidePerovskiteNanoLett.2015,15,3692-3696StructureandProperties02延时符StructureofCsPbX3(X=Cl,Br,I)CsPbI3CsPbBr3CsPbCl3IonicradiusCs+Pb2+Cl-Br-I-pm167119181196220t=0.818t=0.812t=0.805PropertiesBECDAHighphotoluminescencequantumyield(PLQY)(＞90%)Easeofbandgaptuning(410-700nm)NanoLett.2015,15,5635-5640ACSEnergyLett.2018,3,641-646ACSNano.2015,10,1795-1801RSCAdvances,2017,7(17):10391-10396Narrowfull-widthathalf-maximum(FWHM)(10-40nm)ExcellentphotoelectricperformanceLow-cost,facilesynthesisPropertiesofCsPbX3(X=Cl,Br,I)Syntheticmethods03J.Mater.Chem.C.2016,4,10625-10629AX(=MAX,CsX,FAX):PbX2:OAm=1:1:3dispersedinToluenea.Ultrasonic-assistedMethodUltrasonicirradiationacceleratesdissolutionoftheprecursors(AXandPbX2)intolueneb.Ligand-assistedPrecipitation(LARP)Cs++PbBr2CsPbBr3TOAB+DDABOTAcAdvancedMaterials,2018:1800764AdvancedMaterials,2018:1800764AdvancedMaterials.2016:1602513c.Spin-CoatingMethodd.Hot-injectionProcess(HIProcess)160℃ACSNano2015,9(4),4533-4542（1）Cs-OA+PbX2SystemNanoLett.2015,15,5635-5640OAmXJ.Am.Chem.Soc.2018,140,2656-26642Pb(CH3COO)2+CH3COOCs+3Ph-COX160℃-200℃Oleylamine/OleicacidCsPbX3NCs+Pb(oleate)2（2）CH3COO-SystemJ.Am.Chem.Soc.2018,140,2656-2664J.Am.Chem.Soc.2018,140,2656-2664Application04APPLICATIONSPhotodetectorsLasersSolarcellsLight-emittingdiodes延时符SolarCellsScience,2019,363(6424):265-270.Light-emittingdiodes(LEDs)Blueemission:470nmGreenemission:525nmRedemission:625nmNature,2018,562(7726):245.PROSPECT延时符Disadvantage1.Notenvironmentallyfriendly2.StabilityiswrosethantraditionalII-VIsemiconductorAdvantage1.HighPLQY2.Precisetunablebandgaps3.Highlightabsorptioncoefficients4.Highdefecttolerance5.NarrowFWHMReferences05•1.AristidouN,EamesC,Sanchez-MolinaI,etal.Fastoxygendiffusionandiodidedefectsmediateoxygen-induceddegradationofperovskitesolarcells[J].Naturecommunications,2017,8:15218.•2.FrostJM,ButlerKT,BrivioF,etal.Atomisticoriginsofhigh-performanceinhybridhalideperovskitesolarcells[J].Nanoletters,2014,14(5):2584-2590.•3.KriegF,OchsenbeinST,YakuninS,etal.ColloidalCsPbX3(X=Cl,Br,I)nanocrystals2.0:zwitterioniccappingligandsforimproveddurabilityandstability[J].ACSenergyletters,2018,3(3):641-646.•4.Protesescu,L.;Yakunin,S.;Bodnarchuk,M.I.;Krieg,F.;Caputo,R.;Hendon,C.H.;Yang,R.X.;Walsh,A.;Kovalenko,M.V.,NanocrystalsofCesiumLeadHalidePerovskites(CsPbX3,X=Cl,Br,andI):NovelOptoelectronicMaterialsShowingBrightEmissionwithWideColorGamut.NanoLett2015,15(6),3692-3696.•5.JangDM,KimDH,ParkK,etal.Ultrasoundsynthesisofleadhalideperovskitenanocrystals[J].JournalofMaterialsChemistryC,2016,4(45):10625-10629.ReferencesReferences•6.NedelcuG,ProtesescuL,YakuninS,etal.Fastanion-exchangeinhighlyluminescentnanocrystalsofcesiumleadhalideperovskites(CsPbX3,X=Cl,Br,I)[J].NanoLetters,2015,15(8):5635-5640.•7.BadeSGR,LiJ,ShanX,etal.Fullyprintedhalideperovskitelight-emittingdiodeswithsilvernanowireelectrodes[J].AcsNano,2015,10(2):1795-1801.•8.DuX,WuG,ChengJ,etal.High-qualityCsPbBr3perovskitenanocrystalsforquantumdotlight-emittingdiodes[J].RSCAdvances,2017,7(17):10391-10396.•9.SongJ,LiJ,XuL,etal.Room‐TemperatureTriple‐LigandSurfaceEngineeringSynergisticallyBoostsInkStability,RecombinationDynamics,andChargeInjectiontowardEQE‐11.6%PerovskiteQLEDs[J].AdvancedMaterials,2018,30(30):1800764.•10.ZhuBS,LiHZ,GeJ,etal.RoomtemperatureprecipitateddualphaseCsPbBr3–CsPb2Br5nanocrystalsforstableperovskitelightemittingdiodes.Nanoscale,2018,10(41):19262-19271.•11.Zhang,F.;Zhong,H.Z.;Chen,C.;Wu,X.G.;Hu,X.M.;Huang,H.L.;Han,J.B.;Zou,B.S.;Dong,Y.P.,BrightlyLuminescentandColor-TunableColloidalCH3NH3PbX3(X=Br,I,Cl)QuantumDots:PotentialAlternativesforDisplayTechnology.AcsNano2015,9(4),4533-4542.•12.ImranM,CaligiuriV,WangM,etal.BenzoylHalidesasAlternativePrecursorsfortheColloidalSynthesisofLead-BasedHalidePerovskiteNanocrystals.JAmChemSoc,2018,140(7):2656-2664.•13.LingY,TianY,WangX,etal.EnhancedOpticalandElectricalPropertiesofPolymer‐AssistedAll‐InorganicPerovskitesforLight‐EmittingDiodes[J].AdvancedMaterials,2016,28(40):8983-8989.•14.LinK,XingJ,QuanLN,etal.Perovskitelight-emittingdiodeswithexternalquantumefficiencyexceeding20percent[J].Nature,2018,562(7726):245.•15.WangL,ZhouH,HuJ,etal.AEu3+-Eu2+ionredoxshuttleimpartsoperationaldurabilitytoPb-Iperovskitesolarcells[J].Science,2019,363(6424):265-270.ReferencesTHANKSFORYOURATTENTION!延时符