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■ Preparation and Properties of Tris(1,3-dithiole) Donors Containing Thiophene Spacer Units

Akira Ohta and Yoshiro Yamashita

*Department of Structural Molecular Science, The Graduate University for Advanced Studies, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan

Abstract

Novel tris(1,3-dithiole) donors (4) and (5) containing thiophene spacer units have been prepared. The cyclic voltammograms indicate that 4 and 5 are oxidized to trication radicals and tetracations, respectively, and on-site Coulombic repulsion in the dication state is reduced. An electroactive polymer was formed from 4c. The donors (4) and (5) gave conducting charge-transfer complexes with iodine.