4,4′-(1,2-Phenylenebis(methyleneoxy))dibenzoate based Cd(II)-coordination polymer: A turn-off-on photoluminescent sensor against ascorbic acid and aspirin

IF 4.9 2区化学 Q1 CHEMISTRY, ANALYTICAL

Microchemical Journal Pub Date : 2025-02-23 DOI:10.1016/j.microc.2025.113112

Jiajun Fang , Yiguo Ayue , Jingyi Liang , Lu Lu , Mohammad Khalid Parvez , Mohammed S. Al-Dosari , Shreya Srivastava , Abhinav Kumar

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引用次数: 0

Abstract

A new Cd(II)-coordination polymer (CP) [Cd(bpe)_0.5(L)] (1) has been synthesized employing 4,4′-(1,2-phenylenebis(methyleneoxy))dibenzoic acid (H₂L) and 1,2-bis(4-pyridyl)ethylene (bpe) ligands and characterized spectroscopically as well as by single-crystal X-ray diffraction which revealed that 1 is a 2D polymeric layer, in which the metal–ligand formation is built by the interesting H₂L bridging ligand. The CP 1 exhibits turn-off photoluminescent sensing of ascorbic acid (VC) showcasing limit of detection and K_SV of 1.325 × 10⁻⁵ M and 9.22 × 10³ M⁻¹, respectively. Theoretical calculations indicate that the turn-off sensing of VC by 1 can be accredited to the electron/energy transfer and non-covalent interactions between 1 and VC. Interestingly, the VC@1 material exhibited restoration in photoluminescent emission on adding acetyl salicylic acid (ASA) and hence can be used as turn-on sensor for the selective and sensitive detection of ASA with limit of detection towards ASA to be 2.757 × 10⁻⁵ M having K_SV value of 4.43 × 10⁴ M⁻¹ The explanation for the restoration in photoluminescence intensity of VC@1 on adding ASA has been rendered with theoretical calculations.

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来源期刊

Microchemical Journal 化学-分析化学

CiteScore

8.70

自引率

8.30%

发文量

1131

审稿时长

1.9 months

期刊介绍： The Microchemical Journal is a peer reviewed journal devoted to all aspects and phases of analytical chemistry and chemical analysis. The Microchemical Journal publishes articles which are at the forefront of modern analytical chemistry and cover innovations in the techniques to the finest possible limits. This includes fundamental aspects, instrumentation, new developments, innovative and novel methods and applications including environmental and clinical field. Traditional classical analytical methods such as spectrophotometry and titrimetry as well as established instrumentation methods such as flame and graphite furnace atomic absorption spectrometry, gas chromatography, and modified glassy or carbon electrode electrochemical methods will be considered, provided they show significant improvements and novelty compared to the established methods.