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A hydrostable and bromine-functionalized manganese-organic framework with luminescence sensing of Hg2+ and antiferromagnetic properties
Journal of Solid State Chemistry ( IF 3.2 ) Pub Date : 2018-09-27 , DOI: 10.1016/j.jssc.2018.09.034
Yan Li , Deyun Ma , Chanchan Chen , Minchun Chen , Zhanhong Li , Yetao Wu , Shanshan Zhu , Guo Peng

A hydrostable and bromine-functionalized MOF with a sxd topology constructed from tetranuclear clusters, {[Mn2(Bript)2(4,4'-bpy)0.5(DMF)]∙(H2O)}n (1) (H2Bript = 4-Bromoisophthalic acid, 4,4'-bpy = 4,4'-bipyridine, DMF = dimethylformamide) was synthesized and structurally characterized. TGA and PXRD results show high thermal and water stability for the framework. 1 displays a 3D framework with the channel of 4.6 × 4.6 Å2 along the c axis. The framework exhibits a reversible and highly selective luminescent sensing function with respect to Hg2+ cation. Magnetic measurements reveal that the presence of weak antiferromagnetic couplings between the four Mn(II) ions in 1.



中文翻译:

具有Hg 2+发光感应和反铁磁特性的耐水和溴官能化锰-有机骨架

甲hydrostable和溴官能MOF具有SXD从四核簇,{[锰构建拓扑2(Bript)2(4,4'-联吡啶)0.5(DMF)]∙(H 2 O)} Ñ1)(H合成了2 Bript = 4-溴间苯二甲酸,4,4'-bpy = 4,4'-联吡啶,DMF =二甲基甲酰胺)并对其结构进行了表征。TGA和PXRD结果表明该框架具有很高的热稳定性和水稳定性。1个显示具有4.6×4.6埃通道中的3D框架2沿Ç轴线。该框架相对于Hg 2+具有可逆和高度选择性的发光感应功能阳离子。磁性测量表明,1中的四个Mn(II)离子之间存在弱的反铁磁耦合。

更新日期:2018-09-27
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