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Issue 16, 2016
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Pyridyl-substituted anthracene derivatives with solid-state emission and charge transport properties

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Abstract

We report here a systematic study of the solid-state packing, optoelectronic properties and organic field-effect transistor properties of three isomeric 2,6-di-pyridyl anthracene derivatives (1a, 1b and 1c). Very different solid-state physicochemical behaviours were found as a result of the subtle change in the substitution site, especially in the solid-state emission and charge transport properties. For 1a and 1b, which adopted H-like aggregates in the solid state, a bright blue emission with fluorescent quantum efficiencies (ΦF) of 50.2 and 17.5% and thin film mobilities of 0.05 and 10−5 cm2 V−1 s−1, respectively, were obtained. The inferior mobility of 1b might be caused by the larger torsion and herringbone angle in the solid-state packing. A green emission with ΦF of 16% was obtained for single crystals of 1c. No charge transport property was observed for 1c, which might be related to the unfavourable solid-state packing and poor film morphology.

Graphical abstract: Pyridyl-substituted anthracene derivatives with solid-state emission and charge transport properties

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Article information


Submitted
02 Feb 2016
Accepted
21 Mar 2016
First published
24 Mar 2016

J. Mater. Chem. C, 2016,4, 3621-3627
Article type
Paper

Pyridyl-substituted anthracene derivatives with solid-state emission and charge transport properties

J. Liu, W. Zhu, K. Zhou, Z. Wang, Y. Zou, Q. Meng, J. Li, Y. Zhen and W. Hu, J. Mater. Chem. C, 2016, 4, 3621
DOI: 10.1039/C6TC00499G

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