The interaction of the tris(2,2'-bipyridine)ruthenium(II) ion with poly(p-styrenesulfonate).

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概要

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• The interactions of tris(2,2′-bipyridine)ruthenium(II)([Ru(bpy)<SUB>3</SUB>]<SUP>2+</SUP>) with some polyanions have been studied by means of cation-exchange resins and the luminescence of [Ru(bpy)<SUB>3</SUB>]<SUP>2+</SUP>. In an aqueous solution of [Ru(bpy)<SUB>3</SUB>]<SUP>2+</SUP> in the presence of sodium poly(<I>p</I>-styrenesulfonate)(PSS), the adsorbability of [Ru(bpy)<SUB>3</SUB>]<SUP>2+</SUP> on the cation-exchange resins is strongly suppressed by the binding of [Ru(bpy)<SUB>3</SUB>]<SUP>2+</SUP> to the polyanion. The relative luminescence intensity of [Ru(bpy)<SUB>3</SUB>]<SUP>2+</SUP> in an aqueous solution is enhanced by the addition of PSS. With the addition of sodium chloride to an [Ru(bpy)<SUB>3</SUB>]<SUP>2+</SUP>/PSS solution, the interaction is impeded by the shielding of the electrostatic potential in the polymer domains by the counter ions. A cooperative interaction between PSS and [Ru(bpy)<SUB>3</SUB>]<SUP>2+</SUP> is postulated with a view to accounting for the results. A chemical application of the interaction is demonstrated.

• 公益社団法人 日本化学会の論文

著者

• Tsuchida Eishun

  Department Of Applied Chemistry Waseda University

• Shigehara Kiyotaka

  Department Of Applied Chemistry Faculty Of Engineering Tokyo University Of Agriculture And Technolog

• Kurimura Yoshimi

  Department Of Chemistry Faculty Of Science Ibaraki University

• Yokota Hiroshi

  Department Of Applied Chemistry And Biotechnology Faculty Of Engineering Fukui University

• TSUCHIDA EISHUN

  Department of Polymer Chemistry, Waseda University

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