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  • Title: Benzodicarbomethoxytetrathiafulvalene derivatives as soluble organic semiconductors.
    Author: Otón F, Pfattner R, Oxtoby NS, Mas-Torrent M, Wurst K, Fontrodona X, Olivier Y, Cornil J, Veciana J, Rovira C.
    Journal: J Org Chem; 2011 Jan 07; 76(1):154-63. PubMed ID: 21105721.
    Abstract:
    A series of new tetrathiafulvalene (TTF) derivatives bearing dimethoxycarbonyl and phenyl or phthalimidyl groups fused to the TTF core (6 and 15-18) has been synthesized as potential soluble semiconductor materials for organic field-effect transistors (OFETs). The electron-withdrawing substituents lower the energy of the HOMO and LUMO levels and increase the solubility and stability of the semiconducting material. Crystal structures of all new TTF derivatives are also described, and theoretical DFT calculations were carried out to study the potential of the crystals to be used in OFET. In the experimental study, the best performing device exhibited a hole mobility up to 7.5 × 10(-3) cm(2) V(-1) s(-1)).
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