Two new zinc(II) coordination polymers based on asymmetric tetracarboxylic acid for fluorescent sensing
作者:Jing Sun、Ping Zhang、Hui Qi、Jia Jia、Xiaodong Chen、Shubo Jing、Li Wang、Yong Fan
DOI:10.1016/j.ica.2017.09.038
日期:2018.1
Abstract Two new luminescent zinc coordination polymers (CPs), [Zn(H2bptc)(2,2′-bipy)(H2O)]·3H2O (1) and [Zn2(bptc)(H2O)]·(4,4′-bipy)0.5 (2) (H4bptc = 2,4,4′,6-biphenyl tetracarboxylic acid, 2,2′-bipy = 2,2′-bipyridyl, 4,4′-bipy = 4,4′-bipyridyl), have been solvothermally synthesized using zinc nitrate and asymmetric 2,4,4′,6-H4bptc ligand in the presence of auxiliary ligands. It is noted that H4bptc
摘要两种新型的发光锌配位聚合物(CPs)[Zn(H2bptc)(2,2'-bipy)(H2O)]·3H2O(1)和[Zn2(bptc)(H2O)]·(4,4'- bipy)0.5(2)(H4bptc = 2,4,4',6-联苯四甲酸,2,2'-bipy = 2,2'-联吡啶,4,4'-bipy = 4,4'-联吡啶)已经在辅助配体的存在下使用硝酸锌和不对称的2,4,4',6-H4bptc配体溶剂热合成。注意,H4bptc配体在这两个CP中表现出两种不同的配位模式,通过桥接不同的构建单元来构建不同的体系结构。CP 1显示了由ZnO2(H2O)(2,2'-bipy)单元和桥接H2bptc2-配体构成的无限曲折带。CP 2显示具有1D椭圆形通道的复杂3D框架,该通道由双核[Zn2(COO)3]第二建筑单元(SBU)和bptc4-配体构成。而且,它们都具有出色的金属离子和硝基炸药感测能力,特别是对于Fe3