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 Wysłany: Sob 1:59, 04 Gru 2010 Temat postu: ugg italia A combination of liquid crystal propert |
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A combination of liquid crystal properties of polyimide
ShiJ,ugg italia, TangCW. [C]. MacmmolSymp,ugg boots billig, 1998,125 l1. [9] HammondPR. [J]. OptComm, 1979,29 (3): 331. [1o] KwongRC,ugg milano, SibleyS, DubovoyT, ata1. [J]. ChemMater,ugg prezzo, Zhang step the new (1966), male, Zhejiang Hangzhou. In the PhD, he has been engaged in solar cells, optical sensing, laser physics and applications of optical metrology research and teaching. OrganiclightemittingdiodeasedonanovelredmaterialZHANGBu-xin, MAChang-qi2, JIANGXue-yin, ZHANGZhi-lin, ZHANGBao-wen2. XUShao-hong (1.SchoolofMaterialScienceandEngineering, ShanghaiUniversity, Shanghai201800.China; 2.TechnicalInstituteofPhysicsandChemistry, ChineseAcademyofSciences. Beijing100101.China) Abstract: Inthispaper,ugg stivali, anovelredluminescentmaterialN, N-bis a [4 a [2 a (4 a dicyanomethylene-6 of a methyl-4H -pyran-2 a y1) ethylene] phe-ny1] aniline (BDCM) withtwoelectron-acceptormoieties (4 a dicyanomethyIene) pyranandanelectron-donormoietytriphenylamineforapplicationinorganiclightemittingdiodes (OLED) wasreported. Theresultantcompoundhasastericallywell-hinderedstructureandahighfluorescenceyield. Itsphotoluminescence (PL) ofthiscompoundinsolidfilmandelectroluminescence (EL) havebeenstudied. Basedonitsintensestericallyhinderedstructure, thepureBDCMfilmpreparedshowsabrightredPLemission. The () LEDwithastructureofindiumtinoxide (IT ()) / copperphthalocyanine (CuPc) / 1,3-diphenyl-5 a (1-phenanthreneyI) a 2 a pyrazoIine (DPPP) / BDCM / Mg: Agshowsabrightredemissionandabrightnessof582cd/matadrivingvoltageof19V. whichsuggeststhatBDCMhasexcellentelectrontransportandemittingproperties. AnditcanbefoundthatCIEchromaticitycoordinatesofthedevicewerenearlyunchangedwithincreasingcurrentdensity. Keywords: organicthinfilm; redlightemission; lightemittingdiodes \
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