设计合成了一种N-苯基咔唑的衍生物:3-2-(3,3-二腈基亚甲基-5,5-二甲基-1-环己烯基)乙烯基-N-苯基-咔唑(PNCa-2CN).PNCa-2CN的甲醇溶液光致发光光谱和固体膜光致发光光谱峰值分别位于598nm和660nm.以PNCa-2CN作为红色发光材料掺杂在Alq3中,制备了结构为ITO/NPB/Alq3:PNCa-2CN(5%)/Alq3/Mg:Ag/Ag的具有较高发光效率的红色有机电致发光器件,器件的发光峰值为600nm,在外加20V直流电压时达到2372cd·m-2的发光亮度,100mA·cm-2和20mA·cm-2其亮度分别为323cd·m-2和64cd·m-2,器件最大流明效率达到1.3lm·W-1.
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