色纯度改进的苯乙烯衍生物高效蓝色有机电致发光器件

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′-dicarbazole-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