Tuning of luminescence spectra of neutral ruthenium(II) complexes by crystal waters |
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Authors: | Abe Taichi Shinozaki Kazuteru |
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Affiliation: | Department of Chemistry, Graduate School of Integrated Science, Yokohama City University, Yokohama 236-0027, Japan. |
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Abstract: | Neutral ruthenium(II) complexes [RuLL'(CN)2] (L, L' = bpy, dmb, dbb; bpy = 2,2'-bipyridine, dmb = 4,4'-dimethyl-2,2'-bipyridine, dbb = 4,4'-tert-butyl-2,2'-bipyridine) were prepared, and the luminescence characteristics of the complexes in the solid state were measured. The luminescence was tuned by crystal waters included in the crystals; for example, [Ru(dbb)2(CN)2] x 2H2O, [Ru(dbb)2(CN)2] x H2O, and [Ru(dbb)2(CN)2] emit luminescence at 640, 685, and 740 nm, respectively. |
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