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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 41, 2011 - Issue 22
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Original Articles

Dicyanopyrazine-Containing Fused Aromatic Molecules: Potential n-Type Materials for Use in Optoelectronic Devices

, , , &
Pages 3325-3333 | Received 21 Apr 2010, Published online: 26 Jul 2011
 

Abstract

Two dicyanopyrazine-containing aromatic compounds, pyrazino[2′,3′:9,10]phenanthro[4,5-fgh]quinoxaline-5,6,12,13-tetracarbonitrile (PPQD) and pyrazino[2′,3′:9,10]phenanthro[4,5-fgh]quinoxaline-5,6,12,13-tetracarbonitrile,2,9-bis(1,1-dimethylethyl) (PPQB), which have remarkably high electron affinity and ionization potential, were synthesized and qualified as potential n-type materials for use in solar cells and organic light-emitting diodes.

ACKNOWLEDGMENTS

We thank the National Natural Science Foundation of China (20704002 and 21072026) and the Fundamental Research Funds for the Central Universities (DUT10LK16) for financial support of this work.

Notes

a Measured in CH2Cl2 at a concentration of 1.0 × 10−5 mol L−1.

b Related to quinine sulfate as a standard.

a Energy band gap, determined from solid films by absorption edge technique.

b Onset potential of the first reduction wave.

c .

d IP = EA + E g .

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