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Issue 42, 2014
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Enhancement of the p-channel performance of sulfur-bridged annulene through a donor–acceptor co-crystal approach

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Abstract

By introducing naphthalene diimide into the meso-diphenyl tetrathia[22]annulene[2,1,2,1], a natural donor–acceptor co-crystal was prepared. In this co-crystal, donor and acceptor alternatingly stack into one-dimensional columns along the π–π stacking direction. With π–π interaction among the donor molecules, no effective π–π overlapping between DPNDIs in the acceptor columns was observed. Microcrystal transistor devices based on this D–A co-crystal displayed higher hole transport performance compared to the pristine crystals of donor molecules. Quantum calculation confirmed the absence of electron transport pathways and the super exchange between the adjacent donor and acceptor. From the diversity and versatility of the donor and acceptor used, we believe that the strategy developed here would be readily employed to tune the charge transport of organic semiconductors.

Graphical abstract: Enhancement of the p-channel performance of sulfur-bridged annulene through a donor–acceptor co-crystal approach

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Supplementary files

Article information


Submitted
22 Aug 2014
Accepted
29 Aug 2014
First published
03 Sep 2014

J. Mater. Chem. C, 2014,2, 8886-8891
Article type
Paper

Enhancement of the p-channel performance of sulfur-bridged annulene through a donor–acceptor co-crystal approach

J. Zhang, G. Zhao, Y. Qin, J. Tan, H. Geng, W. Xu, W. Hu, Z. Shuai and D. Zhu, J. Mater. Chem. C, 2014, 2, 8886
DOI: 10.1039/C4TC01876A

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