A novel Zn-based MOF for efficiently degrading tetracycline under visible light

IF 5.7 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Research Bulletin Pub Date : 2025-08-12 DOI:10.1016/j.materresbull.2025.113719

Zhexiao Zhu, Jingyi Qu, Jiahui Lin, Xiaolu Xu, Yangben Chen, Kailin Xie, Hui Zheng

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Abstract

To solve the increasingly serious problem of antibiotic contamination, zinc-based MOF photocatalysts with unique structures were synthesized by a one-step hydrothermal method. The visible-light-driven photocatalytic degradation efficiency of tetracycline (TC) in aqueous solution was systematically evaluated. The characteristics of photocatalysts were analyzed by various characterization techniques. Experimental results showed that the MOF photocatalyst with organic ligands has better degradation ability under visible light than that without ligands. The removal efficiency of TC at a concentration of 40 mg⋅L⁻¹ was 87.5% under the irradiation of visible light. The studies show that it is effective to degrade other antibiotics of TC class. Furthermore, the results indicate that this catalyst maintains high efficiency in natural water and under varying pH conditions (acidic to alkaline), highlighting its promise for TC degradation. This study provides a new pathway for degrading TC contaminant in water system by employing different organic ligandin MOF catalyst.

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可见光下高效降解四环素的新型锌基MOF

为解决日益严重的抗生素污染问题，采用一步水热法合成了结构独特的锌基MOF光催化剂。对四环素（TC）在水溶液中的可见光催化降解效率进行了系统评价。采用各种表征技术对光催化剂的特性进行了分析。实验结果表明，含有机配体的MOF光催化剂在可见光下的降解能力优于不含配体的MOF光催化剂。在40 mg·L−1的可见光照射下，对TC的去除率为87.5%。研究表明，它能有效降解其他TC类抗生素。此外，结果表明，该催化剂在天然水和不同pH条件下（酸性到碱性）保持高效率，突出了其降解TC的前景。本研究为采用不同有机配体MOF催化剂降解水体中TC污染物提供了一条新的途径。

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来源期刊

Materials Research Bulletin 工程技术-材料科学：综合

CiteScore

9.80

自引率

5.60%

发文量

372

审稿时长

42 days

期刊介绍： Materials Research Bulletin is an international journal reporting high-impact research on processing-structure-property relationships in functional materials and nanomaterials with interesting electronic, magnetic, optical, thermal, mechanical or catalytic properties. Papers purely on thermodynamics or theoretical calculations (e.g., density functional theory) do not fall within the scope of the journal unless they also demonstrate a clear link to physical properties. Topics covered include functional materials (e.g., dielectrics, pyroelectrics, piezoelectrics, ferroelectrics, relaxors, thermoelectrics, etc.); electrochemistry and solid-state ionics (e.g., photovoltaics, batteries, sensors, and fuel cells); nanomaterials, graphene, and nanocomposites; luminescence and photocatalysis; crystal-structure and defect-structure analysis; novel electronics; non-crystalline solids; flexible electronics; protein-material interactions; and polymeric ion-exchange membranes.