Dopant structure in FeCl3-doped polyacetylene studied by X-ray absorption spectroscopy and X-ray photoelectron spectroscopy.
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概要
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The dopant structure in FeCl<SUB>3</SUB>-doped polyacetylene was studied from the analysis of Fe K-edge EXAFS and XANES, measured by use of synchroton radiation. It is concluded that Fe atom is surrounded by four Cl atoms with Fe–Cl distance of 2.19–2.20 Å, and the dopant exists in the state of [FeCl<SUB>4</SUB>]<SUP>−</SUP>. The following mechanism is proposed for the doping process:<BR>(CH)<I><SUB>x</SUB></I>+2<I>yx</I>FeCl<SUB>3</SUB>→[CH(Fe(Cl<SUB>4</SUB><SUP>−</SUP>)<I><SUB>y</SUB></I>]<I><SUB>x</SUB></I>+<I>yx</I>FeCl<SUB>2</SUB><BR>It is also shown that the chlorination of polyacetylene occurs significantly on performing a "heavy doping."
- 公益社団法人 日本化学会の論文
著者
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SHIRAKAWA Hideki
Institute of Material Science, University of Tsukuba
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ASAKURA Kiyotaka
Department of Chemistry and State Key Laboratory of Physical Chemistry for Solid Surface, Xiamen Uni
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Ikemoto Isao
Department Of Chemistry Faculty Of Science Tokyo Metropolitan University
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Kuroda Haruo
Department Of Chemistry Faculty Of Science The University Of Tokyo
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KOBAYASHI Takaaki
Institute for Advanced Materials Processing, Tohoku University
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Kobayashi Takaaki
Institute of Material Science, University of Tsukuba
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Ikemoto Isao
Department of Chemistry and Research Center for Spectrochemistry, Faculty of Science, The University of Tokyo
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Asakura Kiyotaka
Department of Chemistry and Research Center for Spectrochemistry, Faculty of Science, The University of Tokyo
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Kuroda Haruo
Department of Chemistry and Research Center for Spectrochemistry, Faculty of Science, The University of Tokyo
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