CAJ | 학술논문

以苯乙烯衍生物(amino-substituted distyryl arylene derivative,BCzVB)掺杂的4,4′-双(9-咔唑基)-1,1′-联苯(4,4′-N,N′-diearbazole-biphyenyl,CBP)为发光层,制备了结构为ITO(indium tin oxide)/TPD(N,N′-diphenyl-N,N′bis(3-methylphenyl)-1,1′biphenyl-4,4′diamine)/CBP:BCzVB/Alq3[tris-(8-hydroxy-quinolinato)aluminum)/Liq(8-hydroxy-quinolmato)lithium]/A1的电致发光器件.这里TPD、Alq3分别为空穴传输层和电子传输层,CBP:BCzVB为发光层,Liq为电子注入层.器件最高亮度为8500 cd/m2,效率为3.5 cd/A(量子效率为2.6%),器件色坐标[Commission Internationale de l′Eclairage(CIE)co-ordinates]为x=0.15,y=0.16,与纯BCzVB作发光层的器件相比,器件的发光色纯度和效率得到大幅提高.光致发光与电致发光对比分析表明器件的发光主要来自能量传递和陷阱俘获机制,但陷阱俘获机制起了主导作用.
이분을희연생물(amino-substituted distyryl arylene derivative,BCzVB)참잡적4,4′-쌍(9-잡서기)-1,1′-련분(4,4′-N,N′-diearbazole-biphyenyl,CBP)위발광층,제비료결구위ITO(indium tin oxide)/TPD(N,N′-diphenyl-N,N′bis(3-methylphenyl)-1,1′biphenyl-4,4′diamine)/CBP:BCzVB/Alq3[tris-(8-hydroxy-quinolinato)aluminum)/Liq(8-hydroxy-quinolmato)lithium]/A1적전치발광기건.저리TPD、Alq3분별위공혈전수층화전자전수층,CBP:BCzVB위발광층,Liq위전자주입층.기건최고량도위8500 cd/m2,효솔위3.5 cd/A(양자효솔위2.6%),기건색좌표[Commission Internationale de l′Eclairage(CIE)co-ordinates]위x=0.15,y=0.16,여순BCzVB작발광층적기건상비,기건적발광색순도화효솔득도대폭제고.광치발광여전치발광대비분석표명기건적발광주요래자능량전체화함정부획궤제,단함정부획궤제기료주도작용.