A Cd-II-Based Metal-Organic Framework with pcu Topology as Turn-On Fluorescent Sensor for Al3
A Cd-II-Based Metal-Organic Framework with pcu Topology as Turn-On Fluorescent Sensor for Al3
复制标题
具有 pcu 拓扑的 Cd-II 基金属有机框架作为 Al3 的开启荧光传感器
DOI：
10.1002/asia.201900739
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发表时间：
2019
影响因子：
4.1
通讯作者：
Hu Tong-Liang
中科院分区：
文献类型：
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作者：
Yao Shu-Li;Tian Xue-Mei;Li Le-Qian;Liu Sui-Jun;Zheng Teng-Fei;Chen Yong-Qiang;Zhang Da-Shuai;Chen Jing-Lin;Wen He-Rui;Hu Tong-Liang
用溶剂热方法合成了一个新的金属有机骨架{[Cd_2(Bbib)_2(Ndc)_2]⋅_2DMF}n(JXUST-1)(bbib=1，3-二(苯并咪唑)苯，H_2ndc=1，4-萘二甲酸，DMF=N，N-二甲基甲酰胺)，并用单晶X-射线衍射仪、X射线衍射仪、热失重分析、红外光谱和元素分析对其进行了表征。荧光研究表明，该微孔滤膜对Al~(3+)具有荧光增强效应，能灵敏、选择性地识别Al~(3+)，检测下限为0.048 ppm。此外，JXUST-1还表现出较好的热稳定性和化学稳定性以及可重复使用。这些结果表明，JXUST-1是一种高选择性、可重复使用的检测Al3+的发光传感材料。
A new metal‐organic framework (MOF) {[Cd2(bbib)2(ndc)2]⋅2DMF}n(JXUST‐1) (bbib=1,3‐bis(benzimidazolyl)benzene, H2ndc=1,4‐naphthalenedicarboxylic acid, DMF=N,N‐dimethylformamide) has been solvothermally synthesized and characterized by single‐crystal X‐ray diffraction, PXRD, TGA, IR and elemental analysis.JXUST‐1exhibits a three‐dimensional 6‐connectedpcutopology with a Schläfli symbol {412.63} constructed by [Cd2(CO2)3] secondary building units. Fluorescence studies show that this MOF can sensitively and selectively recognize Al3+via a fluorescence enhancement effect, and the detection limit is 0.048 ppm. Furthermore,JXUST‐1displays relatively good thermal and chemical stabilities as well as reusability. All these results suggestJXUST‐1to be a highly selective and recyclable luminescent sensing material for the detection of Al3+.