Zeolitic imidazolate framework-8 microcrystals as photocatalysts for acid red 27 food dye and tetracycline drug degradation

IF 3.8 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Vacuum Pub Date : 2025-05-08 DOI:10.1016/j.vacuum.2025.114397

Thangapandi Chellapandi , Nandhakumar Eswaramoorthy , N. Dineshbabu , Senthilkumar Nallusamy , Krzysztof Pikon , Mahesh Ganesapillai

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Abstract

The widespread application of azo dyes in the textile and pharmaceutical industries pose a significant threat to environment and health concerns. Addressing these issues require an efficient, cost-effective, and environmentally sustainable approach to mitigate water pollution. In this study, zeolitic imidazolate framework-8 (ZIF-8) was synthesized via a simple, in-situ, solvo-thermal method and evaluated its photocatalytic efficiency in degrading Acid Red 27 (AR27) dye and tetracycline (TC) drug. The synthesized ZIF-8 was comprehensively characterized using various techniques, including SEM, TEM, XPS, FT-IR, XRD, and UV–Vis spectroscopy. Photocatalytic degradation experiments demonstrated that ZIF-8 exhibited remarkable degradation efficiencies of 84.1 % for AR27 and 96.48 % for TC. Kinetic analysis revealed that the degradation of both dye and antibiotic followed a pseudo-first-order reaction model. Hence, ZIF-8 could be a competent photocatalyst for the removal of variety of industrial effluents i.e. organic dyes and pharmaceutical drugs.

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沸石咪唑酸框架-8微晶降解酸性红27食用染料和四环素药物的光催化剂

偶氮染料在纺织和制药行业的广泛应用对环境和健康构成了重大威胁。解决这些问题需要一种有效的、具有成本效益的、环境可持续的方法来减轻水污染。本研究采用简单的原位溶剂热法合成了咪唑酸分子筛骨架-8 (ZIF-8)，并评价了其光催化降解酸性红27 （AR27）染料和四环素（TC）药物的效率。采用SEM、TEM、XPS、FT-IR、XRD、UV-Vis等技术对合成的ZIF-8进行了全面表征。光催化降解实验表明，ZIF-8对AR27的降解效率为84.1%，对TC的降解效率为96.48%。动力学分析表明，染料和抗生素的降解均遵循准一级反应模型。因此，ZIF-8可能是一种有效的光催化剂，用于去除各种工业废水，即有机染料和药物。

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来源期刊

Vacuum 工程技术-材料科学：综合

CiteScore

6.80

自引率

17.50%

发文量

审稿时长

34 days

期刊介绍： Vacuum is an international rapid publications journal with a focus on short communication. All papers are peer-reviewed, with the review process for short communication geared towards very fast turnaround times. The journal also published full research papers, thematic issues and selected papers from leading conferences. A report in Vacuum should represent a major advance in an area that involves a controlled environment at pressures of one atmosphere or below. The scope of the journal includes: 1. Vacuum; original developments in vacuum pumping and instrumentation, vacuum measurement, vacuum gas dynamics, gas-surface interactions, surface treatment for UHV applications and low outgassing, vacuum melting, sintering, and vacuum metrology. Technology and solutions for large-scale facilities (e.g., particle accelerators and fusion devices). New instrumentation ( e.g., detectors and electron microscopes). 2. Plasma science; advances in PVD, CVD, plasma-assisted CVD, ion sources, deposition processes and analysis. 3. Surface science; surface engineering, surface chemistry, surface analysis, crystal growth, ion-surface interactions and etching, nanometer-scale processing, surface modification. 4. Materials science; novel functional or structural materials. Metals, ceramics, and polymers. Experiments, simulations, and modelling for understanding structure-property relationships. Thin films and coatings. Nanostructures and ion implantation.