用于降解废水中有机污染物的双核镉(II)基配位聚合物的合成及其光催化性能

IF 2.4 3区 化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR
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引用次数: 0

摘要

我们报告了一种基于镉 (II) 的双核配位聚合物 {[Cd3(BTC)2(H2O)3]-1.5Beib-9H2O}n (1)的合成过程。5Beib-9H2O}n(1),它是在 N,N-二甲基乙酰胺(DMA)和蒸馏水混合溶剂中使用 CdCl2、1,3,5-苯三羧酸(H3BTC)和 1,4-双(2-乙基咪唑-1-基)丁烷(Beib),通过溶解热法合成的。在降解废水中的 2,4-二硝基苯酚(DNP)、2,4,6-三硝基苯酚(TNP)、3-硝基苯酚(MNP)和 4-硝基甲苯(PNT)等有机污染物时,对 1 的光催化效率进行了评估。该复合物显示出显著的光催化活性,使用 30 毫克光催化剂 1 在 100 分钟内降解了 20 ppm DNP,降解率达 97.17%。捕集实验证实,超氧自由基和 h+ 是主要的活性物种。该复合物在各种水源中多次循环使用时也表现出卓越的稳定性和重复使用性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Synthesis and photocatalytic performance of a dinuclear cadmium(II)-based coordination polymer for degradation of organic pollutants in wastewater

Synthesis and photocatalytic performance of a dinuclear cadmium(II)-based coordination polymer for degradation of organic pollutants in wastewater

We report the synthesis of a dinuclear cadmium (II)-based coordination polymer, {[Cd3(BTC)2(H2O)3]·1.5Beib·9H2O}n (1), via a solvothermal method using CdCl2, 1,3,5-benzenetricarboxylic acid (H3BTC), and 1,4-bis(2-ethylimidazol-1-yl)butane (Beib) in a mixed solvent of N,N-Dimethylacetamide (DMA) and distilled water. The photocatalytic efficiency of 1 was evaluated for the degradation of organic pollutants such as 2,4-dinitrophenol (DNP), 2,4,6-trinitrophenol (TNP), 3-nitrophenol (MNP), and 4-nitrotoluene (PNT) in wastewater. The complex showed remarkable photocatalytic activity, with 20 ppm DNP achieving 97.17 % degradation using 30 mg of photocatalyst 1 within 100 min. Trapping experiments confirmed superoxide radicals and h+ as the primary active species. The complex also demonstrated excellent stability and reusability across multiple cycles in various water sources.

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来源期刊
Polyhedron
Polyhedron 化学-晶体学
CiteScore
4.90
自引率
7.70%
发文量
515
审稿时长
2 months
期刊介绍: Polyhedron publishes original, fundamental, experimental and theoretical work of the highest quality in all the major areas of inorganic chemistry. This includes synthetic chemistry, coordination chemistry, organometallic chemistry, bioinorganic chemistry, and solid-state and materials chemistry. Papers should be significant pieces of work, and all new compounds must be appropriately characterized. The inclusion of single-crystal X-ray structural data is strongly encouraged, but papers reporting only the X-ray structure determination of a single compound will usually not be considered. Papers on solid-state or materials chemistry will be expected to have a significant molecular chemistry component (such as the synthesis and characterization of the molecular precursors and/or a systematic study of the use of different precursors or reaction conditions) or demonstrate a cutting-edge application (for example inorganic materials for energy applications). Papers dealing only with stability constants are not considered.
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