Porphyrin-cored star polymers as efficient nondoped red light-emitting materials

被引：101

作者：

Li, BS

Xu, XJ

Sun, MH

Fu, YQ

Yu, G

Liu, YQ

Bo, ZS ^{[1
]}

机构：

[1] Chinese Acad Sci, CAS Key Lab Organ Solids, Inst Chem, Beijing 100080, Peoples R China

[2] Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Inst Chem, Beijing 100080, Peoples R China

来源：

MACROMOLECULES | 2006年 / 39卷 / 01期

关键词：

D O I：

10.1021/ma051610s

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The preparation of porphyrin-cored star polymers on the gram scales and the investigation of their photo- and electroluminescent properties, were illustrated. The porphyrin-cored star polymers exhibited good solubility and film-forming ability and the photoluminescence and electroluminescence of these polymers displayed pure saturated red light emission. The introduction of triphenylamine (TPA) end groups provided the polymers with higher HOMO energy level and lower turn-on voltage of the devices. The results show that the HOMO energy levels of oligofluorene-arm star porphyrins are much higher and devices based on porphyrin-cored star polymers display lower turn-on voltages.

引用

页码：456 / 461

页数：6

共 38 条

[1] Highly efficient phosphorescent emission from organic electroluminescent devices [J].