Synthesis and properties of new electroluminescent polymers possessing both hole and electron-transporting units in the main chain

被引：52

作者：

Kim, SW ^{[1
]}

Shim, SC ^{[1
]}

Jung, BJ ^{[1
]}

Shim, HK ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Chem, Sch Mol Sci, Ctr Mol Design & Synth,Yusung Gu, Taejon 305701, South Korea

来源：

POLYMER | 2002年 / 43卷 / 15期

关键词：

electroluminescent; electron-transporting; hole-transporting;

D O I：

10.1016/S0032-3861(02)00252-5

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

New EL polymers possessing both hole and electron-transporting units in the main chain are synthesized. The polymer prepared by palladium catalyzed Heck reaction of 10 and 15 show a large weight average molecular weight (M-w) (25,000) and small polydispersity index (PDI) (1.2). The oligomers synthesized by Wittig condensation have M-w of 4000 and PDI of 1.8. All the polymer and oligomers synthesized exhibit remarkable thermal stability with high decomposition temperature and high T-g as determined by thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC) under nitrogen atmosphere. The EL emission maximum peaks of the materials prepared are in the range of 535-560 nm corresponding to green-yellowish-green. Among the three electron-transporting moieties, the 1,3,4-oxadiazole unit shows the best electron injection and transporting property. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：4297 / 4305

页数：9

共 21 条

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