Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2015 Vol: 7 Issue: 3

Synthesis and electrical conductivity of new organic materials bearing a tetrathiafulvalene unit


New bisymmetric tetrathiafulvalenes (TTFs) containing conjugated substituents (thiophene-π-pyridine) 4-6 were synthesized by the condensation of TTF-thiophenecarboxaldehyde derivatives 1-3 with aromatic amines. Electrochemical studies based on cyclic voltammetry demonstrated, for all these new molecules, electrochemical characteristics favoring the formation of charge transfer complexes (CTCs). Measurements of electrical conductivity at room temperature were carried out on compacted powder, for all the materials obtained. All the CTCs synthesized were found to be semiconductors.

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