锌基配位聚合物的制备、荧光及染料吸附性质

doi:10.3964/j.issn.1000-0593(2025)10-2747-07

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Abstract In this study, a new three-dimensional (3D) porous metal-organic Frameworks (MOFs) {[Me₂NH₂][Zn(btc)]·DMF (1)} was constructed with 1,4 terephthalic acid ligands. The structural characteristics of compound 1 were studied by infrared spectroscopy, single crystal X-ray diffraction (XRD), powder X-ray diffraction (PXRD) and thermogravimetric analysis (TGA). Firstly, the excitation spectrum and emission spectrum of compound 1 were tested, and the fluorescence response of compound 1 to different cations in aqueous solution was explored. The experimental results showed that compound 1 could effectively identify Fe³⁺ and NB ions from other ions. The detection limits of Fe³⁺ and NB were 5.52×10^-7 and 6.94×10^-7 mol·L^-1, respectively. The adsorption effect of compound 1 on water-soluble dyes was further tested, and the adsorption capacity of CR dye was 302.33 mg·g^-1. After 5 cycles of experiment, the removal rate of CR by compound 1 was still 88.2%. Therefore, compound 1 has significant potential advantages in the treatment of printing and dyeing wastewater.

Key words：Metal-organic framework; Hydrothermal synthesis; Fluorescence detection; Dye adsorption

Received: 2025-03-15 Accepted: 2025-08-11

ZTFLH:

O482.31

Corresponding Authors: WANG Ce

Cite this article:

WANG Ce. Preparation of Zinc-Based Coordination Polymers and Dye Adsorption Properties[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2025, 45(10): 2747-2753.

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https://www.gpxygpfx.com/EN/10.3964/j.issn.1000-0593(2025)10-2747-07 OR https://www.gpxygpfx.com/EN/Y2025/V45/I10/2747

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