A novel trinuclear Cd(ii) cluster-based metal–organic framework: synthesis, structure and luminescence properties†

IF 3.9 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY RSC Advances Pub Date : 2015-11-24 DOI:10.1039/C5RA22184F

Jia Wang, Shuo Yao, Guanghua Li, Qisheng Huo, Lirong Zhang and Yunling Liu

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引用次数: 9

Abstract

A novel three-dimensional metal–organic framework (MOF), [H₃O][Cd₃Cl(PZC)₃(H₂O)₃] (1), has been synthesized based on a trinuclear Cd(II) cluster and H₂PZC ligand (H₂PZC = 1H-pyrazole-4-carboxylic acid). Compound 1 crystallizes in a trigonal crystal system with the space group R3m. Trinuclear Cd(II)-clusters as secondary building units (SBU) are further connected by the H₂PZC ligand to form a two-fold interpenetrated 3D framework. Compound 1 exhibits excellent water-stability and good luminescence properties for various organic solvents and different metal ions. The systematic investigation for luminescence indicates that compound 1 possesses unique performance for the detection of acetone, Fe²⁺ and Na⁺ based on a fluorescence quenching and enhancing mechanism, thus it can be regarded as a potential luminescence probe for the detection of acetone, Fe²⁺ and Na⁺.

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一种新型三核Cd(ii)簇基金属有机骨架:合成、结构和发光性质

以三核Cd(II)簇和H2PZC配体(H2PZC = 1h -吡唑-4-羧酸)为基础，合成了一种新型三维金属有机骨架[h30][Cd3Cl(PZC)3(H2O)3](1)。化合物1在具有R3m空间群的三角晶系中结晶。作为二级建筑单元(SBU)的三核Cd(II)-簇通过H2PZC配体进一步连接，形成双重互穿的三维框架。化合物1对各种有机溶剂和不同金属离子具有优异的水稳定性和良好的发光性能。系统的发光研究表明，化合物1基于荧光猝灭和增强机制，对丙酮、Fe2+和Na+具有独特的检测性能，可以作为丙酮、Fe2+和Na+检测的潜在发光探针。

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来源期刊

RSC Advances chemical sciences-

CiteScore

7.50

自引率

2.60%

发文量

3116

审稿时长

1.6 months

期刊介绍： An international, peer-reviewed journal covering all of the chemical sciences, including multidisciplinary and emerging areas. RSC Advances is a gold open access journal allowing researchers free access to research articles, and offering an affordable open access publishing option for authors around the world.