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Tuning of the degree of charge transfer and the electronic properties in organic binary compounds by crystal engineering: a perspective

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Abstract

Organic charge-transfer compounds have received significant attention because of their tunable electronic properties, ranging from insulators to superconductors. It has been demonstrated that these compounds can be applied to both organic semiconducting active materials and organic conductors by appropriate molecular design. 7,7,8,8-Tetracyanoquinodimethane (TCNQ) and FxTCNQ (x = 1, 2, 4) as acceptors and aromatic hydrocarbons form a variety of compounds in which the degree of charge transfer (DCT) is adjustable. The donor, acceptor, and stoichiometry of organic charge-transfer compounds are the main factors for tuning the DCT. Tuning of the DCT by crystal engineering allows control of the delocalized electrons and thus the physical properties of materials in a range that is not available in one-component organic solids.

Graphical abstract: Tuning of the degree of charge transfer and the electronic properties in organic binary compounds by crystal engineering: a perspective

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Publication details

The article was received on 01 Nov 2017, accepted on 15 Dec 2017 and first published on 18 Dec 2017


Article type: Review Article
DOI: 10.1039/C7TC04982J
Citation: J. Mater. Chem. C, 2018, Advance Article
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    Tuning of the degree of charge transfer and the electronic properties in organic binary compounds by crystal engineering: a perspective

    H. Jiang, P. Hu, J. Ye, K. K. Zhang, Y. Long, W. Hu and C. Kloc, J. Mater. Chem. C, 2018, Advance Article , DOI: 10.1039/C7TC04982J

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