Synthesis, Structure and Near-infrared Luminescence of a Dinuclear Ytterbium(Ⅲ) Complex with a Bis(2,2'-bipyridyl) Ligand

作     者：徐海兵 谢在来 张礼仪 陈忠宁 

作者机构：State Key Laboratory of Structural ChemistryFujian Institute of Research on the Structure of MatterThe Chinese Academy of Sciences 

出 版 物：《Chinese Journal of Structural Chemistry》 (结构化学（英文）)

年 卷 期：2009年第28卷第11期

页      面：1470-1474页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学] 

基　　金：supported from the NSF of Fujian Province (2008I0027 and 2008F3117) 

主　　题：crystal structure NIR luminescence ytterbium(Ⅲ) energy transfer 

摘      要：The title complex {Yb（hfac）3}2（bpyC≡CC6H4C≡Cbpy） （hfac = hexafluoroacetyl- acetonate,bpyC≡CC6H4C≡Cbpy=2-（pyridin-2-yl）-5-（2-（4-（2-（6-（pyridin-2-yl）pyridin-3-yl）ethynyl）- phenyl）ethynyl）pyridine） has been prepared and characterized by X-ray crystallography. It crystallizes in the monoclinic space group P21/c with a = 17.240（16）, b = 25.64（2）, c = 16.481（15）A, β = 93.469（9）°, V = 7271（12）A^3, Z = 4, Mr = 2022.91, F（000） = 3888, Dc = 1.848 g/cm^3 and μ（MoKα） = 2.708 mm^-1. The structure was refined to R = 0.0714 and wR = 0.1762 for 9771 observed reflections （I 〉 2σ（I））. Sensitized near-infrared （NIR） luminescence from YbIII centers was achieved through efficient antenna effect or energy transfer from the bridging ligand chromophore.