采用优良的电荷给体N,N-二乙基修饰配体,设计合成了两种新型可溶性席夫碱配体及其锌配合物,并对其电致发光性质进行了研究.两种配体和配合物均呈现很好的发光性能,通过增大配体的共轭结构,成功地调节了材料的发光光谱,吸收峰由397 nm红移到429 nm,发射峰相应的由543 nm红移到560 nm.以配合物ZnDEDN为掺杂客体材料,聚合物PVK为主体材料,制备了结构为ITO/PVK:ZnDEDN/BCP/Alq3/LiF/Al的有机电致发光器件,器件的最大发光效率为0.19 cd/A, 最大亮度为143 cd/m2.
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