New Semiconducting Benzo-TTF Salts: Synthesis and Physical Properties

Louiza Boudiba; Lakhemici Kaboub; Abdelkrim Gouasmia; Jean M. Fabre

doi:10.1055/s-2005-865323

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New Semiconducting Benzo-TTF Salts: Synthesis and Physical Properties

Louiza Boudiba^a, Lakhemici Kaboub^a, Abdelkrim Gouasmia*^a, Jean M. Fabre^b
^a Laboratoire des Matériaux Organiques et Hétérochimie, Centre Universitaire de Tébessa,, 12000 Tébessa, Algeria
Fax: +213(37)490268; e-Mail: akgouasmia@hotmail.com; e-Mail: akgouasmia@univ-tebessa.dz ;
^b Hétérochimie et Matériaux Organiques, ENSCM, UMR - 5076, 8, rue de l’école normale 34296 Montpellier, France

Abstract

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Abstract

The synthesis of new π-electron donors of benzotetrathiafulvalene derivatives 4-11 with one or two hydroxyl functions and additional sulfur or selenium atoms is described. Their redox potentials were measured by cyclic voltammetry. Radical cation salts (RCS) and charge-transfer complexes (CTC) were prepared and their conductivities were measured. Some of the RCS are semiconductors.

Key words

1,3-dithiol-2-thio(oxo) benzotetrathiafulvalene - deprotection - oxidation potential - conductivity

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