期刊
SYNTHETIC METALS
卷 135, 期 1-3, 页码 671-672出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0379-6779(02)00773-7
关键词
organic conductors based on radical cation salts; coupling reaction; electrochemical methods; ab initio quantum chemical methods and; calculations; transport measurements, conductivity, Hall effect
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 (sigma(rt) = 10(-2) - 10(0) 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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