Synthesis and characterization of an efficiently fluorescent poly(phenylenevinylene) possessing pendant dendritic phenyl groups

被引：16

作者：

Dinakaran, K ^{[1
]}

Hsiao, SM ^{[1
]}

Chou, CH ^{[1
]}

Shu, SL ^{[1
]}

Wei, KH ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Dept Mat Sci & Engn, Hsinchu 30049, Taiwan

来源：

MACROMOLECULES | 2005年 / 38卷 / 25期

关键词：

D O I：

10.1021/ma050252q

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We have synthesized a thermally stable and high molecular weight fluorescent poly(phenylenevinylene) (PPV) incorporating side-chain-tethered dendritic phenyl groups (DENPPV) through Gilch route; this DENPPV has a low abundance of tolane-bisbenzyl defects. Intramolecular energy transfer from the dendritic phenyl side group to the PPV backbone was evidenced from UV-vis and photoluminescence spectra of the DENPPV polymer and its model compound. Copolymers of DENPPV with 2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene (MEHPPV) display excellent photoluminescence both in solution and in the solid state; the highest quantum yield we observed was 82%. The electroluminescence of the copolymer MEHPPV/DENPPV (molar ratio: 25/75) was 70% higher than that of MEHPPV (0.12 lm/W vs 0.07).

引用

页码：10429 / 10435

页数：7

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