低溫下PET薄膜電致發(fā)光與光致發(fā)光的聯(lián)合測量.pdf

1、哈爾濱理工大學碩士學位論文低溫下PET薄膜電致發(fā)光與光致發(fā)光的聯(lián)合測量姓名：王晨申請學位級別：碩士專業(yè)：@指導教師：林家齊201103哈爾濱理工大學工學碩上學位論文TheJointMeasurementsofElectroluminescenceandPhotoluminescenceofPETFilmsunderLOWr”1emoeratureAbstractPoly(ethyleneterephthalate)一PETismater

2、ialAsakindofpolymerinsulatingvoltageandstressforalongtime，itsabilityofbreakdownformanyreasonsusedwidelyinelectroinsulatingmaterials，ifit’SusedunderhighofinsulationwilldisappearbecauseElectroluminescence—ELiSaphenomenatha

3、tdirectlyconveyselectricityintoluminousenergywhichiscloselyconnectedthespacechargeTheanalysisofELisbelievedtobeaneffectivewayofcomprehendingchargeinjectionandtransmissionItcanbeusedtoanalysethecharactersofelectricityandp

4、hotologyaswellasthedetectionforinsulationagingPhotoluminescence—PLiSaphenomenawhichiscausedbytheopticalexcitationofluminophorItisnotcommonlytobeusedtostudythestructionofthepolymerIthasimportantimplicationsforunderstandin

5、gthestructureandperformentofPETbythejointmeasurementsofElectroluminescenceandPhotoluminescenceofPETfilmsunderlowtemperatureInthispaper，thejointmeasurementsofElectroluminescenceandPhotoluminesceneeofPETfilmsunderlOWtemper

6、atureweredetectedAndthebreakdownfieldwascomparedwiththeonewhichwastestedundernomaltemperatureTheresultshowsthatthereareemissionpeaksatabout350450nm，500～600nmand750nmintheELspectrumofthePETfilmsTheELintensityincreasesalon

7、gwiththeappliedelectricfieldwhenitbecomesmorethan24MV／cmIftheappliedelectricfieldisgreaterthan33MV／cm，theELintensitywillincreasequicklyAndkeeponincreasingvoltage，thePETappearsthephenomenonofbreakdownAndthereisnosignifica