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Chiral Fluorescent Metal–Organic Framework with a Pentanuclear Copper Cluster as an Efficient Luminescent Probe for Dy3+ Ion and Cyano Compounds
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2021-09-27 , DOI: 10.1021/acs.inorgchem.1c01349
Ying Wang 1 , Yan Ni Zhou 1 , Yu Liang 2 , Lin Cheng 1 , Yu Fang 2
Affiliation  

Luminescent probes have been used for the detection of various heavy metals and toxic compounds. A novel sensor with excellent sensitivity and selectivity is in high demand. Herein, we designed and synthesized a three-dimensional copper–organic framework of “pcu” α-Po primitive cubic topology with a Schläfli symbol of {4.4.4.4.4.4.4.4.4.4.4.4.*.*.*}. By taking advantage of metal clusters and a triazole ligand as the metal–organic framework (MOF) components, the newly obtained MOF is stable in various environments and can be potentially used as the sensor. Remarkably, this MOF-based sensor shows high sensitivity and selectivity toward a dysprosium ion (Dy3+) in a multiple-lanthanide mixed solution. Besides, it exhibits luminescent quenching toward various cyano compounds. This chiral cluster-based network provides a potential luminescent probe for various inorganic and organic compounds with high sensitivity and selectivity.

中文翻译:

具有五核铜簇的手性荧光金属-有机骨架作为 Dy3+ 离子和氰基化合物的高效发光探针

Luminescent probes have been used for the detection of various heavy metals and toxic compounds. A novel sensor with excellent sensitivity and selectivity is in high demand. Herein, we designed and synthesized a three-dimensional copper–organic framework of “pcu” α-Po primitive cubic topology with a Schläfli symbol of {4.4.4.4.4.4.4.4.4.4.4.4.*.*.*}. By taking advantage of metal clusters and a triazole ligand as the metal–organic framework (MOF) components, the newly obtained MOF is stable in various environments and can be potentially used as the sensor. Remarkably, this MOF-based sensor shows high sensitivity and selectivity toward a dysprosium ion (Dy3+) 在多镧系元素混合溶液中。此外,它对各种氰基化合物表现出发光猝灭。这种基于手性簇的网络为各种无机和有机化合物提供了一种具有高灵敏度和选择性的潜在发光探针。
更新日期:2021-10-18
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