Self-assembled fluorescent Zn-MOF with high specific surface area based on the coordination interaction for sensitive detection and selective removal of tetracycline antibiotic in water

IF 3.8 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Optical Materials Pub Date : 2024-09-16 DOI:10.1016/j.optmat.2024.116126

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引用次数: 0

Abstract

As one of most common used antibiotics, tetracyclines (TCs) have been widespread used in many fields. However, the abuse of antibiotics resulted in serious environmental pollutants. Therefore, it is of great significance to develop new materials for rapid detection and effective removal of tetracyclines. In this study, a step-by-step synthesis strategy was adopted to prepare a fluorescent LMOF material Znq₂@ZIF-8, and it was well characterized. Znq₂@ZIF-8 showed strong green emission and has large specific surface area, with excellent stability and good recyclability. The fluorescence of Znq₂@ZIF-8 can be quenched with the addition of tetracycline (TC) in the aqueous environment, demonstrating good selectivity and strong interference resistance, with a limit of detection (LOD) of 0.13 μmol∙L⁻¹. In addition, Znq₂@ZIF-8 exhibits excellent adsorption and removal abilities for TC. As a result, Znq₂@ZIF-8 enables the simultaneous detection and removal of TC in aqueous environments, providing a solution for future TC pollution in water.

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基于配位相互作用的高比表面积自组装荧光 Zn-MOF，用于灵敏检测和选择性去除水中的四环素类抗生素

作为最常用的抗生素之一，四环素（TC）已被广泛应用于许多领域。然而，抗生素的滥用造成了严重的环境污染。因此，开发快速检测和有效去除四环素的新材料具有重要意义。本研究采用逐步合成的策略制备了一种荧光 LMOF 材料 Znq2@ZIF-8，并对其进行了表征。Znq2@ZIF-8具有较强的绿色发射，比表面积大，稳定性好，可回收利用。在水环境中加入四环素（TC）可以淬灭 Znq2@ZIF-8 的荧光，表现出良好的选择性和较强的抗干扰性，检测限（LOD）为 0.13 μmol∙L-1。此外，Znq2@ZIF-8 还对 TC 具有极佳的吸附和去除能力。因此，Znq2@ZIF-8 能够同时检测和去除水环境中的三氯甲烷，为未来水体中的三氯甲烷污染提供了一种解决方案。

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来源期刊

Optical Materials 工程技术-材料科学：综合

CiteScore

6.60

自引率

12.80%

发文量

1265

审稿时长

38 days

期刊介绍： Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials. OPTICAL MATERIALS focuses on: • Optical Properties of Material Systems; • The Materials Aspects of Optical Phenomena; • The Materials Aspects of Devices and Applications. Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.