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Issue 51, 2016
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Covalent non-fused tetrathiafulvalene–acceptor systems

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Covalent donor–acceptor (D–A) systems have significantly contributed to the development of many organic materials and to molecular electronics. Tetrathiafulvalene (TTF) represents one of the most widely studied donor precursors and has been incorporated into the structure of many D–A derivatives with the objective of obtaining redox control and modulation of the intramolecular charge transfer (ICT), in order to address switchable emissive systems and to take advantage of its propensity to form regular stacks in the solid state. In this review, we focus on the main families of non-fused TTF–acceptors, which are classified according to the nature of the acceptor: nitrogen-containing heterocycles, BODIPY, perylenes and electron poor unsaturated hydrocarbons, as well as radical acceptors. We describe herein the most representative members of each family with a brief mention of their synthesis and a special focus on their D–A characteristics. Special attention is given to ICT and its modulation, fluorescence quenching and switching, photoconductivity, bistability and spin distribution by discussing and comparing spectroscopic and electrochemical features, photophysical properties, solid-state properties and theoretical calculations.

Graphical abstract: Covalent non-fused tetrathiafulvalene–acceptor systems

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Publication details

The article was received on 29 Feb 2016, accepted on 25 Apr 2016 and first published on 25 Apr 2016

Article type: Feature Article
DOI: 10.1039/C6CC01827K
Citation: Chem. Commun., 2016,52, 7906-7927
  • Open access: Creative Commons BY license
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    Covalent non-fused tetrathiafulvalene–acceptor systems

    F. Pop and N. Avarvari, Chem. Commun., 2016, 52, 7906
    DOI: 10.1039/C6CC01827K

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