Electron-Accepting Conjugated Materials Based on 2-Vinyl-4,5-dicyanoimidazoles for Application in Organic Electronics

被引：78

作者：

Shin, Richard Y. C. ^{[1
]}

Sonar, Prashant ^{[1
]}

Siew, Pei Sann ^{[1
]}

Chen, Zhi-Kuan ^{[1
]}

Sellinger, Alan ^{[1
]}

机构：

[1] ASTAR, IMRE, Singapore 117602, Singapore

来源：

JOURNAL OF ORGANIC CHEMISTRY | 2009年 / 74卷 / 09期

关键词：

FIELD-EFFECT TRANSISTORS; HETEROJUNCTION SOLAR-CELLS; LIGHT-EMITTING-DIODES; LOW BANDGAP POLYMERS; FILM MICROSTRUCTURE; THIOPHENE OLIGOMERS; PHOTOVOLTAIC CELLS; CRYSTAL-STRUCTURE; PERYLENE DIIMIDE; BUILDING-BLOCKS;

D O I：

10.1021/jo802720m

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

We report the Heck coupling of 2-vinyl-4,5-dicyanoimidazole (vinazene) with selected di- and trihalo aromatics in an effort to prepare linear and branched electron-accepting conjugated materials for application in organic electronics. By selecting the suitable halo-aromatic moiety, it is possible to tune the HOMO-LUMO energy levels, absorption, and emission properties for a specific application. In this regard, materials with strong photoluminescence from blue -> green -> red are reported that may have potential application in organic light-emitting diodes (OLEDs). Furthermore, derivatives with strong absorption in the-visible spectrum, coupled with favorable HOMO-LUMO levels, have been used to prepare promising organic photovoltaic devices (OPVs) when combined with commercially available semiconducting donor polymers.

引用

收藏

页码：3293 / 3298

页数：6

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