新型含萘酰亞胺端基的三苯胺類星狀分子的合成及光電性能研究.pdf

1、大連理工大學(xué)碩士學(xué)位論文新型含萘酰亞胺端基的三苯胺類星狀分子的合成及光電性能研究姓名：王秀玲申請學(xué)位級別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：李亞明20050601新型含萘酰亞胺端基的三苯胺類星狀分子的合成及光電性能研究AbstractAnovelfamilyofstarshapedmoleculesoftriphenylaminewithterminalgroupsofnaphthalimideforsingle—layerorganicel

2、ectroluminescentdeviceshasbeendesignedandsynthesized，inwhichtriphenylamineunitperformsasaholewansportmoiety，18naphthalimideunitperforms嬲anelectronlransportandemittingmoietyTheirslamctureshavebeenconfmnedbyHRMSFrⅡ己and1HNM

3、Rspeetra11鹼thermalstabilityofsuchcompoundshasbeendeterminedonadifferentialscanningcalorimeter∞sc)，andthetemperatureoftheglassystatechangedintothesupercooledliquidstate(國isashighas253～274。Candthedecomposingtemperatureishi

4、gherthan300。CThermalanalysisresultsindicatethatthesecompoundshaverelativehigh％andgoodthermalstabilitywhichisveryessentialforfabricatingstableorganicELdevicesnlecompoundsdisplaygreenishyellowfluorescenceinCHCl3andDMF儼isre

5、dshiftedwhenthepolarityofsolventsisincreased鐘“islocatedat500514nlninCHCl3and530538minDMFn垃Stokesshiftofthecompoundsinsolventsislongerthan87nnlanditisalsedshifledwhenthepolarityofsolventsiSincreasedInDMF，theStokesshiftiso

6、ver100ninThereexistsaileffectivesingletsingletenergytransferduetotheoverlapbetweentheabsorptionofnaphthalimidemoietyandtheemissionofcarbazolemoietywhichquenchestheemissionoftriphenylaminemoietyandlowersthefluorescencequa

7、ntumyieldTheelectrochemistrypropertieshavebeendeterminedonCyclicVoltammetryTheirbandgaps(EP)andionizationpotentials(B)havebeencalculatedat246259eVand554巧83eVrespectivelynerelationshipbetweenelectrochemistrypropertyanddif

8、ferentsubstituentsat4positionof18naphthalimidehasbeendiscussedTheresultsindicatethatthenovelcompoundsaregoodcandidatesnotonlyasholetransportmaterialsbutalso∞electrotmnspormaterialsforsinglelayerOU班)sKeyWords：Naphthalimid