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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/77233

    Title: New Ruthenium(II) Polypyridyl-type Complexes with Oxadiazole Derivative Ligand
    Authors: Lin, Chien-Ho;Kao, Hsien-Chang;Hsu, Chia-Jung;Wang, Wen-Jwu
    Contributors: 淡江大學化學學系
    Keywords: Ruthenium complex;Oxadizole.
    Date: 2010-11-01
    Issue Date: 2013-07-11 11:27:47 (UTC+8)
    Publisher: 臺北市:中國化學學會
    Abstract: 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.
    Relation: 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
    Appears in Collections:[Graduate Institute & Department of Chemistry] Journal Article

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