求助支撑材料：Deep red emission from Cs4PbI6CsPbI3ZnS heterostructure for enhanced stability and photoluminescence quantum yield.docx

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1、SUPPOrtinHInfOrmatiOnDepredemissionfromCs4Pb6CsPb13ZnSheterostructureforenhancedstabi1ityandphoto1uminescencequantumyie1dSehrishGu11a,Guijun1ia*aKey1aboratoryofOptoe1ectronicDevicesandSystemsofMinistryofEducationandGuangdongProvince,Co11egeofPhysicsandOptoe1ectronicEngineering,ShenzhenUniversity,She

2、nzhenEmai1:g1iadconncct.ust.hkFigureS1(a)RepresentationofCs4Pb,CsPbhandZnSa1ongwiththeirinter-p1anardistances(b)FFTimagefortheZnS-wurtziteFortheca1cu1ationofrequired4-aisMi11erBravisindicesUVTWfrom3-axisMi11erIndicesUVWfo11owingre1ations(1-4)havebeenused:U=(2u-v)3(1)V=(2v-u)3(2)T=-(u+v)3.(3)W=w(4)As

3、,uvw=-2,2,-3So,UVTW=-2,2,0,-32theta(degree)FigureS2XRDforCs4Pb16ZCsPbhZZnSatthreedifferenttemperatures9(FC,130oCand16()oC(ne)Uwu-BindingEnergy(eV)BindingEnergy(eV)1024102210201018BindingEnergy(eV)Fitted(re)AIuew-BindingEnergy(eV)FigureS3FittingcurvesofXPSspectrarepresentingthecharacteristicpeaksPb4f

4、7z2,Pb-S(n3suu-Pb4fFittedPb43yPb-S134136138140142144146BindingEnergyfeV)Crrew-Sue1u-610615620625630635640BindingEnergyfeV)FigureS4(a)PresenceofPb-SbondfromtheXPSdata(b)Comparisonof1-peakforCs4PbCSPbI3andCs4Pb6CsPb13ZnSheterostructureWave1ength(nm)FigureS5Emissionwave1engthatdifferentreactiontimeforC

5、s4PbCSPb13andCs4Pb1CsPb13ZnSFigureS6Optica1featuresfortheCs4Pb1JCSPb13compositewiththeCs-precursorrPb2variation(a)Emissionspectra(b)Absorbancespectra(c)P1andP1QYwithCs-precursorrPb2variationTab1eSI:Variationofemissionwave1engthwithtemperatureforCs4Pb16CsRb13ZnSTemperature()EmissionWave1ength(nm)90623100624110624120630130650150674160679