Abstract
The formation of complexes of soluble poly(phenylacetylene)s [poly(PA)s] with various electron acceptors [2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ), 7,7,8,8-tetracyano-p-quinodimethane (TCNQ), bromine, trifluoromethanesulfonic acid, and antimony pentachloride] was studied spectrophotometrically. The complexes showed an absorption in the region from 700 to 940 nm. The ratios of the polymer to DDQ and to bromine in the complexes were determined to be 3:1. The 1:1 mixtures of poly(PA) with DDQ and with TCNQ showed conductivities of ca. 10−8 ohm−1 cm−1, whereas that of poly(PA) was as low as 10−14—10−17 ohm−1 cm−1. The n-type conduction was confirmed by thermoelectric-power measurement.
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Kuwane, Y., Masuda, T. & Higashimura, T. Polymers of Substituted Acetylenes. II. Formation and Electrical Conductivity of Complexes of Poly(phenylacetylene)s. Polym J 12, 387–391 (1980). https://doi.org/10.1295/polymj.12.387
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DOI: https://doi.org/10.1295/polymj.12.387
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