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Issue 28, 2013
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Oligofuran-containing molecules for organic electronics

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Abstract

We describe the synthesis, characterization and field effect transistor (FET) properties of a series of furan-based conjugated oligomers such as unsubstituted, hexyl- and styryl-capped linear oligofurans and oligofuran-substituted anthracene derivatives. All studied oligofurans show high fluorescence and good thermal stability. Top contact organic FETs (OFETs) fabricated with oligofurans as the active layer show hole mobilities (∼0.01 to 0.07 cm2 V−1 s−1) and on/off ratios (104 to 106) on a par with the corresponding oligothiophene analogues, while the threshold voltages displayed by oligofuran-based OFETs are significantly reduced due to higher HOMO energies as compared to those of oligothiophenes. Electroluminescence observed in oligofuran-based OFETs in a bottom-contact geometry is limited by electron injection. Overall, we find that furan building blocks are excellent candidates for replacing thiophene in optoelectronic materials.

Graphical abstract: Oligofuran-containing molecules for organic electronics

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Supplementary files

Article information


Submitted
13 Jan 2013
Accepted
21 Mar 2013
First published
26 Mar 2013

J. Mater. Chem. C, 2013,1, 4358-4367
Article type
Paper

Oligofuran-containing molecules for organic electronics

O. Gidron, A. Dadvand, E. Wei-Hsin Sun, I. Chung, L. J. W. Shimon, M. Bendikov and D. F. Perepichka, J. Mater. Chem. C, 2013, 1, 4358
DOI: 10.1039/C3TC00079F

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