Effects of Iodine Addition on the Electrical and Optical Properties of the Semiquinoid Phenothiazine Bromide

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概要

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• The electrical resistivity and the electronic and vibrational spectra of the semiquinoid phenothiazine bromide have been found to be drastically modified by the addition of iodine. The resistivity minimum lies around the mole ratios of 0.25 to 0.30, while the value in this composition range is from 4 to 5 ohm cm. The combined spectroscopic data indicate three different stages in the intermolecular interactions in this system; the first around a mole ratio of 0.25, the second near 0.5, and the third above 1.00. The higher the iodine content, the less conductive the adducts appear to be. Iodine addition was attempted also to the <I>p</I>-phenylenediamine bromide; however, no pronounced effect on the physical properties could be found in this system.

• 公益社団法人 日本化学会の論文

著者

• Matsunaga Yoshio

  Department of Chemistry, Faculty of Science, Hokkaido University

• Shono Kosuke

  Department of Chemistry, Faculty of Science, Hokkaido University

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