Monolayers and Built-up Films of <I>N</I>,<I>N</I>′-Disubstituted Dithiooxamide Cu(II) Coordination Compounds
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概要
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<I>N</I>,<I>N</I>′-Disubstituted dithiooxamide-Cu(II) as compound semiconductors prepared by the usual method have been liable to be an isomeric mixture of coordination polymers. Syntheses of the stereospecific coordination polymers were attempted by an interfacial technique. The dithiooxamides with two hydrophobic substituents, R's, on nitrogen atoms of a ligand molecule could be spread on a water surface to form the monomolecular film, where its possible structure is <I>cis</I> isomers of the ligands. Some coordination compounds, <I>i.e.</I> the stereospecific coordination polymers, between the <I>cis</I> isomers and Cu<SUP>2+</SUP> ions were found to be produced at the air-water interface by employing the substrate solution containing Cu<SUP>2+</SUP> ions. This was established by the surface pressure <I>vs.</I> area measurements for their ligand molecules with C<SUB>6</SUB>H<SUB>5</SUB>CH<SUB>2</SUB>–, C<SUB>6</SUB>H<SUB>11</SUB>–, C<SUB>12</SUB>H<SUB>25</SUB>–, and C<SUB>12</SUB>H<SUB>25</SUB>OCOCH<SUB>2</SUB>– as hydrophobic substituents, and by the effects of various spreading solvents, pH in substrate solutions and temperatures on their monolayers. Furthermore, built-up films of these polymers were examined for thickness.
- 公益社団法人 日本化学会の論文
著者
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Emoto Masanori
Department of Applied Chemistry, Faculty of Engineering, Tokushima University
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Suzuki Asahi
Department of Applied Chemistry, Faculty of Engineering, Tokushima University
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Kanda Seiichi
Department of Applied Chemistry, Faculty of Engineering, The University of Tokushima
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Ohkawa Kuwako
Department of Applied Chemistry, Faculty of Engineering, The University of Tokushima
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Watari Shunichi
Department of Applied Chemistry, Faculty of Engineering, Tokushima University
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