Synthesis and light-emitting properties of new polyfluorene copolymers containing a triphenylamine based hydrazone comonomer

被引：9

作者：

Park, Moo-Jin

Lee, Ji-Hoon

Hwang, Do-Hoon ^{[1
]}

机构：

[1] Kumoh Natl Inst Technol, Dept Appl Chem, Kumi 730701, South Korea

[2] Chungju Natl Univ, Dept Polymer Sci & Engn, Chungju 380702, South Korea

来源：

CURRENT APPLIED PHYSICS | 2006年 / 6卷 / 04期

关键词：

polyfluorene copolymer; hydrazone; light-emitting diode;

D O I：

10.1016/j.cap.2005.04.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Polyfluorene copolymers containing a triphenylamine based hydrazone derivative, bis(4-bromo-phenyl)-[4-(diphenylhydrazonomethyl)phenyl]amine (TPAH), as a comonomer have been synthesized through Ni(0) mediated polymerization. Light-emitting properties of the copolymers composed of TPAH and 2,5-dibromo-bis-9,9-(2'-ethylhexyl)fluorene (BEHF) were compared with those of poly[bis-9,9-(2-ethylhexyl)fluorene] (PBEHF) homopolymer. Light-emitting diodes were fabricated in an ITO (indium-tin oxide)/PEDOT/polymer/Ca/Al configuration. The EL devices constructed from the copolymers exhibited device performances that were highly improved than that of the device using the PBEHF homopolymer. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：752 / 755

页数：4