通过Suzuki缩聚法合成了9,9-二辛基芴与4-(N,N-二苯胺)-3',5'-二溴联苯的一系列无规和交替共聚物.研究了其紫外可见光吸收、光致发光和电致发光性能.实验结果表明:当间苯连接的三苯胺(TPA)衍生物含量大于5%时,共聚物溶液和固态薄膜的紫外吸收光谱和光致发射光谱发生了不同程度的蓝移,并且随着TPA衍生物含量的增加,光谱的蓝移程度加大.间苯含量为10%时,以该共聚物PFO-TPA10为发光层的电致发光器件,在电压7V至13V之间光谱具有很好的稳定性,未观察到聚芴excimer发射.6V下的色坐标为(0.17,0.06),半峰宽为27nm,器件的最大外量子效率为0.72%.
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