Electrical properties and constitution of the phenothiazine-iodine and related complexes.
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概要
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The electrical properties of the phenothiazine–iodine complex were examined in detail as a function of the composition. A shoulder in the resistivity-composition isotherm, a decrease in the activation energy for semiconduction by a factor of two, and a change in the sign of the Seebeck coefficient from negative to positive were observed at a composition of two molecules of phenothiazine to five atoms of iodine. These observations and the spectral behavior reported earlier indicate the formation of a complex cation radical salt, (phenothiazine)<SUB>2</SUB><SUP>+</SUP>I<SUB>5</SUB><SUP>−</SUP>, which exhibits a resistivity of about 800 ohm cm at room temperature. By the incorporation of a half mole of iodine into this salt, the resistivity reaches a minimum of about 20 ohm cm at room temperature. Similar singularities in the resistivity-composition isotherms were observed with the complexes of the benzo[<I>a</I>]-, benzo[<I>c</I>]-, and <I>N</I>-methylderivatives.
- 公益社団法人 日本化学会の論文
著者
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Doi Susumu
Department Of Education Science Faculty Of Education Shinshu University
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Inabe Tamotsu
Department Of Chemistry Faculty Of Science Hokkaido University
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Inabe Tamotsu
Department of Chemistry, Faculty of Science, Hokkaido University
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Matsunaga Yoshio
Department of Chemistry, Faculty of Science, Hokkaido University
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