共軛型有機(jī)電致發(fā)光材料的合成和性質(zhì)研究.pdf

1、華中師范大學(xué)碩士學(xué)位論文共軛型有機(jī)電致發(fā)光材料的合成和性質(zhì)研究姓名：徐文遠(yuǎn)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：有機(jī)化學(xué)指導(dǎo)教師：王宏里20090501AbstractWiththeadvantagesoflowdrivingvoltage，highbrightness，hi曲efficiencyfastreSponseandselfemissive，organiclightemittingdiodes(OLEDs)showpromiseforapp

2、licationsasflatpaneldisplaysandsolidstatelightningAlthoughrapidprogressinsomerelatedproductsandtechniquehasbeenmade，twomainproblems，lifeandefficiencystillexistInoMertosolvetheseproblemsdesignsynthesisandstudyofnewOLEDsma

3、terialsisnecessaryAimedatsomegoodmaterialsforOLEDsespeciallyinredlightemitting，we’vedesignedandsynthesizedaseriesofconjugatedorganiclightemiaingmaterialsPrimaryluminescencepropertiesofthesecompoundshavebeeninvestigatedFi

4、rstlywedesignedandsynthesizedseveraldonorandacceptermoleculeswhichseparatelybasedonphenothiazineand12，4triazolo[1，5一a】pyrimidineMsosomemodificationsofthesereactionshavebeendoneaccordingtotheirmechanismAfterthatmostofthet

5、argetmolecularshavebeenobtained、航mrelativelyhighyieldSecondlywesynthesizedsomeothercompoundswithDxAstructuresbytheWittigandKnoevengerreactionwiththedonorandtheacceptermoleculesTheyieldsofthesecompoundsrangedfrommodesttoh

6、ighAftercharacterizationphotoluminescenceandelectoluminescencepropertieshavebeeninvestedAllcoupoundsshowstrongUVVisabsorptionThephotoluminescenceemittionwavelengthrangedfrom470nnlto670rimandmostofthemareintheredlightregi

7、onAtlastbytheYamamotoreactionwesynthesizedapolymerP1withhi曲thermalstabilities，largemolecularweightandgoodsolubilityinhighyieldThepolymerwascharacterizedbyNMRGPC，TGADSCTrilayerLEDwasfabricatedandtheelectro—luminescencepro

8、pertieshavebeeninvestigatedWithturnonvoltageof60Vpureorangelightandthemaximumefficiency62cd／m2，thepolymershowpotenfialu∞asPI，EDmaterialsKeyWords：Organiclightemittingdiodes；conjugatedcompounds；phenothiazine；Knoevenagelcon