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Issue 43, 2015
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Enhanced electron mobility in crystalline thionated naphthalene diimides

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Abstract

A series of five thionated naphthalene diimides (NDIs) with linear alkyl chains was synthesized and the optoelectronic, self-assembly, and device properties were studied. When tested in organic thin-film transistors, the electron mobilities of the thionated derivatives are three orders of magnitude higher than the non-thionated parent analogue, with the highest mobility measured for cis-S2 (μmax = 7.5 × 10−2 cm2 V−1 s−1). In contrast to branched chain PDIs and NDIs, the electron mobility does not increase appreciably with degree of thionation, and the average mobilities are quite consistent ranging from 3.9 × 10−2 to 7.4 × 10−2 cm2 V−1 s−1 for one to three sulfurs.

Graphical abstract: Enhanced electron mobility in crystalline thionated naphthalene diimides

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Article information


Submitted
02 Sep 2015
Accepted
01 Oct 2015
First published
01 Oct 2015

This article is Open Access

J. Mater. Chem. C, 2015,3, 11505-11515
Article type
Paper
Author version available

Enhanced electron mobility in crystalline thionated naphthalene diimides

L. M. Kozycz, C. Guo, J. G. Manion, A. J. Tilley, A. J. Lough, Y. Li and D. S. Seferos, J. Mater. Chem. C, 2015, 3, 11505
DOI: 10.1039/C5TC02753E

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