主链含电子传输型基团的可溶性PPV发光特性研究

Study on the Electroluminescent Performance of the Soluble PPV Containing Electron-Transporting Group

摘要: 经由Ｗｉｔｉｇ－Ｈｏｒｎｅｒ反应合成了一种可溶的ＰＰＶ主链含有电子传输基团的新型结构电子聚合物。该低聚物的Ｍｗ＝１０００、Ｔｄ＝２７０℃，可溶于氯仿和四氢呋喃。构造了最简单的三明治式电致发光器件ＩＴＯ／Ｏ－ＰＰＶ（８０ｎｍ）／Ａｌ，其电致发光和光致发光光谱基本一致。该器件与同样结构的ＰＰＶ相比其ＥＬ表现出在５０９ｎｍ处单一的宽峰，而ＰＰＶ的器件为５２０ｎｍ和５５０ｎｍ的双峰。另外由于主链上含有电子传输特性的二唑基团及聚合物材料的分子量较小，器件的量子效率达到０．１３％，是同样结构器件ＰＰＶ量子效率的五倍

Abstract: A kind of soluble novel structure electron-polymer, PPV containing electron-transporting group on the main chain(O-PPV), was synthesized according to the WittigHorner mechanism. The oligo-polymer with the 5BXM w=1 000 T d=270 can be soluble in chlorofor