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    題名: New Ruthenium(II) Polypyridyl-type Complexes with Oxadiazole Derivative Ligand
    作者: Lin, Chien-Ho;Kao, Hsien-Chang;Hsu, Chia-Jung;Wang, Wen-Jwu
    貢獻者: 淡江大學化學學系
    關鍵詞: Ruthenium complex;Oxadizole.
    日期: 2010-11-01
    上傳時間: 2013-07-11 11:27:47 (UTC+8)
    出版者: 臺北市:中國化學學會
    摘要: A new ruthenium complex, [Ru(L)(bpy)2]‧2PF6, (L=3,5-di(2'-pyridyl)-1,2,4-oxadiazole), was synthesized and characterized. The assignment of chemical shift for [Ru(L)(bpy)2]‧2PF6 was accomplished by HHCOSY technique. The cyclic voltammogram of [Ru(L)(bpy)2]‧2PF6 shows a metal-centered Ru(superscript II)/Ru(superscript III) oxidation with potential at 1.35 V, as well as four reversible reduction waves with the former two potentials at -1.24 and -1.60 V, attributed to two bpy/bpy(superscript -) process, and the latter two potentials at -1.86 and -2.16 V, attributed to L/L(superscript -) and L(superscript -)/L(superscript 2-), respectively. The absorption spectrum of the ruthenium complex was dominated by metal-to-ligand charge transfer (MLCT) band in the visible range, with absorption maxima appearing at 442 nm and molar extinction coefficient of 13×10^3 M^(-1) cm^(-1). The phosphorescent emission band has been attributed to from MLCT triplet state.
    關聯: Journal of the Chinese Chemical Society=中國化學會會誌 57(5)pt.B, pp.1167-1171
    DOI: 10.1002/jccs.201000168
    顯示於類別:[化學學系暨研究所] 期刊論文

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