Issue 35, 2012

Linear and star-shaped pyrazine-containing acene dicarboximides with high electron-affinity

Abstract

A series of linear and star-shaped pyrazine-containing acene molecules 1a–b, 2a–b and 3 substituted by dicarboximide groups are synthesized via condensation reactions between o-diamine and dione. High electron affinity (up to 4.01 eV) is achieved due to the introduction of an electron-deficient pyrazine moiety and the attachment of electron-withdrawing dicarboximide groups. Some of these molecules show thermal liquid crystalline behavior and their space-charge limited current mobilities are measured. The high electron affinity and liquid crystalline property qualify them as promising electron transporting materials in organic optoelectronic devices.

Graphical abstract: Linear and star-shaped pyrazine-containing acene dicarboximides with high electron-affinity

Supplementary files

Article information

Article type
Paper
Submitted
06 Apr 2012
Accepted
02 Jul 2012
First published
04 Jul 2012

Org. Biomol. Chem., 2012,10, 7045-7052

Linear and star-shaped pyrazine-containing acene dicarboximides with high electron-affinity

J. Shao, J. Chang and C. Chi, Org. Biomol. Chem., 2012, 10, 7045 DOI: 10.1039/C2OB25680K

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