螺双芴在电致发光材料领域的应用

Electroluminescent Materials Based on Spirobifluorene

螺双芴分子具有非平面的空间结构 ,两个芴单体以sp3 杂化的C原子为中心桥联在一起。将其引入到具有电致发光特性的分子中 ,对于提高分子的热稳定性和光谱稳定性等方面具有很大的应用价值。本文主要介绍了近年来螺双芴结构在有机 聚合物电致发光材料的分子设计上的研究进展 ,并对研究前景作了简要的展望。

Spirobifluorene possesses a steric nonplanar structure. Two fluorene moieties are connected through a sp3_C atom as a spiro_linkage. It is very hel pful to improve the thermal and spectral stabilities by introducing the spirobifluorene units into the electroluminescent molecules. In this paper, recent progresses of the organi c and polymeric electroluminescent materials which contain spirobifluorene units are r eviewed,and the prospect of molecular design of these materials is also given briefly.