Abstract

Several derivatives of new TTP type donor composed of 2,2'-ethanediylidenebis(1,3-dithiole) and 2-(pyran-4-ylidene)-1,3-dithiole (1) and its thiopyrane analog (2) have been synthesized. Cyclic voltammograms of 1 and 2 consist of four pairs of single-electron redox waves. They afford highly conducting TCNQ complexes and I 3 - salts (σ rt = 10 -2 - 10° S cm -1 on a compressed pellet), which exhibit semiconducting temperature dependence with relatively low activation energy of 0.030 - 0.081 eV.

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