山东化工2024,Vol.53Issue(21) :15-17,20.

由Zn-MOF制备ZnO*及可见光催化降解四环素

Preparation and Photocatalytic Degradation for Tetracycline of ZnO* from Zn-MOF by Visible Light

周媛媛 甘舒燕 杨雪燕 谭银羽 李绍源 崔连胜
山东化工2024,Vol.53Issue(21) :15-17,20.

由Zn-MOF制备ZnO*及可见光催化降解四环素

Preparation and Photocatalytic Degradation for Tetracycline of ZnO* from Zn-MOF by Visible Light

周媛媛 1甘舒燕 1杨雪燕 1谭银羽 1李绍源 1崔连胜1
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作者信息

  • 1. 百色学院化学与环境工程学院,广西百色 533000
  • 折叠

摘要

利用1,3,5-三(3-羧基-三氮唑-亚甲基)-2,4,6-三甲苯(H3L)为配体通过溶剂热法合成了一种含锌基金属有机框架材料(Zn-MOF),并通过高温煅烧方法制备了 ZnO*(*代表ZnO有氧空位).分别利用X-射线粉末衍射(XRD)、扫描电子显微镜(SEM)、电子顺磁共振波谱(EPR)、紫外-可见漫反射光谱测试分析方法对Zn-MOF及ZnO*的结构、形貌及粒径大小、氧空位和带隙宽度(Eg)进行了表征.进一步地,选择四环素(TC)为目标污染物,利用Zn-MOF及ZnO*为催化剂开展可见光催化降解实验.实验结果表明,在可见光驱动下,ZnO*对四环素的光催化降解效果较Zn-MOF得到了很大程度的提升.

Abstract

A Zn-based metal-organic framework material(Zn-MOF)was synthesized by solvothermal method using 1,3,5-tri(3-carboxyl-triazole-methylene)-2,4,6-tri toluene(H3L)as ligand,and ZnO*(*represents ZnO containing oxygen vacancies)was prepared by high-temperature calcination.The structure,morphology,particle size,oxygen vacancy and band gap width(Eg)of Zn-MOF and ZnO* were characterized by X-ray powder diffraction(XRD),scanning electron microscopy(SEM),electron paramagnetic resonance spectroscopy(EPR)and UV-vis diffuse reflection spectroscopy,respectively.Further,tetracycline(TC)was selected as the target pollutant,and photocatalytic degradation experiments were carried out using Zn-MOF and ZnO* as catalysts.Driven by visible light,the photocatalytic degradation for TC by ZnO* is much better than that by Zn-MOF.

关键词

锌基金属有机框架材料/氧化锌*/可见光催化降解/四环素

Key words

Zn-MOF/ZnO*/visible light catalytic degradation/tetracycline

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出版年

2024
山东化工
山东省化工研究院 山东省化工信息中心

山东化工

影响因子:0.249
ISSN:1008-021X
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