Zn (II) Complexes Synthesized With Salamo-Type Ligand as a Highly Efficient Sensor to Detect MnO4− in Aqueous Solution

IF 3.7 2区化学 Q2 CHEMISTRY, APPLIED

Applied Organometallic Chemistry Pub Date : 2025-04-01 DOI:10.1002/aoc.70096

Na Tuo, Le-Le Liu, Jia-Ying Ren, Yang Zhang, Li Wang

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Abstract

Herein, Three Salamo-type Zn (II) complexes [Zn₂(L)(μ-OAc)]·CH₃OH (1), [Zn₄(L)₂]Cl₂ (2), [Zn₄(L)₂](NO₃)₂ (3) is synthesized as the fluorescence probe for ultrasensitive detection of MnO₄⁻ in aqueous solution. The structure analysis shows that complex 1 is a binuclear structure, while complexes 2 and 3 is a symmetric tetranuclear structure. Three complexes exhibited high stability of fluorescence intensity in aqueous solvent. The detection limit is 8.8, 12.8 and 13.8 μM. The anions involved in coordination in complex 1 undergo structural changes due to their different coordination modes compared with complexes 2 and 3, resulting in better detection performance than the other two complexes. Zn (II) complexes have good selectivity and applicability for the determination of MnO₄⁻ in aqueous solutions. At the same time, the sensing effect in the real water samples was also detected. In addition, the fluorescence recognition mechanisms of three complexes for the detection of the above analytes were explored in detail.

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salamo型配体合成Zn （II）配合物作为检测水溶液中MnO4−的高效传感器

本文合成了三种salamo型Zn （II）配合物[Zn2(L)(μ-OAc)]·CH3OH(1)、[Zn4(L)2]Cl2(2)、[Zn4(L)2](NO3)2(3)作为荧光探针，用于水溶液中MnO4−的超灵敏检测。结构分析表明，配合物1为双核结构，配合物2和3为对称四核结构。三种配合物在水溶液中具有较高的荧光强度稳定性。检测限分别为8.8、12.8和13.8 μM。配合物1中参与配位的阴离子由于与配合物2和3的配位方式不同而发生结构变化，从而导致检测性能优于其他两种配合物。Zn （II）配合物对水溶液中MnO4−的测定具有良好的选择性和适用性。同时，对实际水样中的传感效果也进行了检测。此外，还详细探讨了三种配合物检测上述分析物的荧光识别机理。

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来源期刊

Applied Organometallic Chemistry 化学-无机化学与核化学

CiteScore

7.80

自引率

10.30%

发文量

408

审稿时长

2.2 months

期刊介绍： All new compounds should be satisfactorily identified and proof of their structure given according to generally accepted standards. Structural reports, such as papers exclusively dealing with synthesis and characterization, analytical techniques, or X-ray diffraction studies of metal-organic or organometallic compounds will not be considered. The editors reserve the right to refuse without peer review any manuscript that does not comply with the aims and scope of the journal. Applied Organometallic Chemistry publishes Full Papers, Reviews, Mini Reviews and Communications of scientific research in all areas of organometallic and metal-organic chemistry involving main group metals, transition metals, lanthanides and actinides. All contributions should contain an explicit application of novel compounds, for instance in materials science, nano science, catalysis, chemical vapour deposition, metal-mediated organic synthesis, polymers, bio-organometallics, metallo-therapy, metallo-diagnostics and medicine. Reviews of books covering aspects of the fields of focus are also published.