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一种用于检测过氧化氢、铁、铬酸根和三苯基膦炸药的多功能铽基金属有机框架探测器，具有双核和四核簇共存的特点。

A Multifunctional Tb-MOF Detector for HO, Fe, CrO , and TPA Explosive Featuring Coexistence of Binuclear and Tetranuclear Clusters.

作者信息

Chai Hong-Mei, Zhang Gang-Qiang, Jiao Chun-Xia, Ren Yi-Xia, Gao Lou-Jun

机构信息

Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an 716000, P. R. China.

出版信息

ACS Omega. 2020 Dec 14;5(51):33039-33046. doi: 10.1021/acsomega.0c04526. eCollection 2020 Dec 29.

DOI:10.1021/acsomega.0c04526
PMID:33403265
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7774076/
Abstract

A novel three-dimensional microporous terbium(III) metal-organic framework (Tb-MOF) named as [Tb (DBA)(OH)(HO)]·(HO) (), was successfully obtained by a solvothermal method based on terbium nitrate and 5-di(2',4'-dicarboxylphenyl) benzoic acid (HDBA). The Tb-MOF has been characterized by single crystal X-ray diffraction, elemental analysis, thermogravimetry, and fluorescence properties, and the purity was further confirmed by powder X-ray diffraction (PXRD) analysis. Structural analysis shows that there are two kinds of metal cluster species: binuclear and tetranuclear, which are linked by HDBA ligands in two μ high coordination fashions into a three-dimensional microporous framework. Fluorescence studies show that the Tb-MOF can detect HO, Fe, and CrO with high sensitivity and selectivity and can also be used for electrochemical detection of exposed 2,4,6-trinitrophenylamine (TPA) in water. The highly selective and sensitive detection ability of the Tb-MOF might make it a potential multifunctional sensor in the future.

摘要

通过基于硝酸铽和5-二（2'，4'-二羧基苯基）苯甲酸（HDBA）的溶剂热法，成功获得了一种新型的三维微孔铽（III）金属有机框架（Tb-MOF），命名为[Tb (DBA)(OH)(HO)]·(HO) ()。通过单晶X射线衍射、元素分析、热重分析和荧光性质对Tb-MOF进行了表征，并通过粉末X射线衍射（PXRD）分析进一步确认了其纯度。结构分析表明，存在两种金属簇物种：双核和四核，它们通过HDBA配体以两种μ高配位方式连接成三维微孔框架。荧光研究表明，Tb-MOF能够高灵敏度和高选择性地检测HO、Fe和CrO，还可用于水中暴露的2,4,6-三硝基苯胺（TPA）的电化学检测。Tb-MOF的高选择性和灵敏检测能力可能使其在未来成为一种潜在的多功能传感器。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/89fc503fce7a/ao0c04526_0010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/af5ad1348757/ao0c04526_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/2eb4b9cf2f1b/ao0c04526_0011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/3f70c99a2b15/ao0c04526_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/4d0fbc0c33e0/ao0c04526_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/3526a8f7d874/ao0c04526_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/ec877cf4b293/ao0c04526_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/4fa1ed4ef1d2/ao0c04526_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/31a6ebe91dae/ao0c04526_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/221ddb0a7cf9/ao0c04526_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/89fc503fce7a/ao0c04526_0010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/af5ad1348757/ao0c04526_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/2eb4b9cf2f1b/ao0c04526_0011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/3f70c99a2b15/ao0c04526_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/4d0fbc0c33e0/ao0c04526_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/3526a8f7d874/ao0c04526_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/ec877cf4b293/ao0c04526_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/4fa1ed4ef1d2/ao0c04526_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/31a6ebe91dae/ao0c04526_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/221ddb0a7cf9/ao0c04526_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20f9/7774076/89fc503fce7a/ao0c04526_0010.jpg

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