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中文摘要：
通过用一种既具有空穴传输特性又具有发光特性的新型荧光染料N-乙基咔唑-2-乙烯基-8-羟基喹啉锌（（E）-2-（2-（9-ethyl-9H-carbazol-3-y1）vinyl）quinolato—zinc，CzHQZn）作为受主，制备了结构为ITO／2T—NATA（30nm）／CBP：6％Ir（ppy）3：wCzHQZn（20nm）／Alq3（50nm）／LiF／Al（ITO：indium-tin oxide，2-NATA：4,4’，4″-{N，N-（2-naphthyl）-N-phenylamino}一triphenylamine，CBP：4,4-N，N＇-dicarbazole-bipheny1，Ir（ppy）3：factris（2-phenylpyridine）iridium,Alq3：tris（8-quinolinolato）aluminum；w是CzHQZn的质量分数）的黄绿色有机电致发光器件（OLEDs）．研究了掺杂体系在不同掺杂浓度（w=5％、10％、12％、15％）时的电致发光（EL）特性．结果表明，CzHQZn掺杂浓度为10％的器件在11V电压下实现了黄绿光发射，色坐标为（0．4045，0．5113），最大发光亮度为16110cd·m^-2；而在7V电压下的最大发光效率为2．19cd·A^-1，最大外量子效率为0．775％．
英文摘要：
We investigated the performance of yellow-green organic light-emitting devices （OLEDs） based on a novel material （E）-2-（2-（9-ethyl-9H-carbazol-3-yl）vinyl） quinolato-zinc （CzHQZn） with an emitting/hole-transporting layer as an acceptor. These devices were fabricated as follows： ITO/2T-NATA（30 nm）/CBP： 6% Ir（ppy）3： w CzHQZn （20 nm）/Alq3（50 nm）/LiF/Al （ITO： indium-tin oxide, 2T-NATA： 4,4＇,4″-{N,N-（2-naphthyl）-N-phenylamino}- triphenylamine, CBP： 4, 4-N, N＇-dicarbazole-biphenyl, Ir（ppy）3： factris （2-phenylpyridine） iridium, Alq3： tris（8-quinolinolato） aluminum; w： mass fraction of CzHQZn）. After studying the electroluminescence （EL） characteristics of these devices at different doping concentrations （w=5%, 10%, 12%, 15%）, yellow-green OLEDs with 10% of CzHQZn were obtained with Commission International de L＇Eclairage coordinates of （0.4045, 0.5113）. The maximum luminance was 16110 cd·m^-2 at an applied voltage of 11 V and the maximum luminous efficiency was 2.19 cd·A^-1 at an applied voltage of 7 V with a maximum external quantum efficiency of 0.775%.
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