Complex Gel under Vacuum Ultraviolet Irradiation Associated with Color Tunable Photoluminescence - Sun et al. - Unknown - Unknown

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SupportingInformationPhotochemicalConversionofEthanolamine-Zn2+ComplexGelunderVacuumUltravioletIrradiationAssociatedwithColorTunablePhotoluminescenceLinaSun*,1,KyotaUda2,TsukasaYoshida2,andYoshiyukiSuzuri11InnovationCenterforOrganicElectronics(INOEL),YamagataUniversity,Arcadia1-808-48,Yonezawa,Yamagata992-0119,Japan2GraduateSchoolofScienceandEngineering,YamagataUniversity,Jonan4-3-16,Yonezawa,Yamagata992-8510,JapanCorrespondingAuthor*E-mail:sunlina@yz.yamagata-u.ac.jpS1

1.VUVtime(min)0PLEPL12351020annealedPL,PLEintensity300350400450500550600Wavelength/nmFigureS1.RawPLandPLEspectraoftheVUVprocessedZnONCfilmsbeforenormalizationdoneforFigure2a.TheactualPLintensityvaries,forthe5minsamplebeingthehighest.Theincrementupto5minshouldbecausedbyincreasingthepopulationofZnONCscappedwiththeluminescentZn-MEAsurfacecomplex,whereasthedecreasefortheprolongedVUVirradiationshouldbecausedbydecreasingthedensityofthesurfacecomplextoresultinreducedquantumefficiencyofluminescence.PLspectrameasuredforas-spunandannealedsamplesareaddedforcomparison(showingnoPL).S2

20.200.200.20VUV1minAgingtime(days)VUV5minAgingtime(days)VUV20minAgingtime(days)0003337770.15140.15140.15142121212828280.100.100.10AbsAbsAbs0.050.050.050.000.000.00200300400500600700800200300400500600700800200300400500600700800Wavelength/nmWavelength/nmWavelength/nm202020Agingtime(days)Agingtime(days)Agingtime(days)000333167167167141414212121282828121212PLPLPL888444VUV1minVUV5minVUV20min000350400450500550600350400450500550600400450500550600Wavelength/nmWavelength/nmWavelength/nmFigureS2.ChangesofUV-visabsorptionandPLspectraofthinfilmsamplespreparedbyVUVirradiationfor1,5and20min,asafunctionofagingtime.S3