{"title":"Crystal Engineering on Cu-Triazolate MOFs via Mixed-Linker Modulation for Selective Azeotropic Ethanol Dehydration","authors":"Panyapat Ponchai, Yollada Inchongkol, Kanyaporn Adpakpang, Burapat Inceesungvorn, Sareeya Bureekaew","doi":"10.1002/chem.202503314","DOIUrl":null,"url":null,"abstract":"<div>\n \n <p>A mixed-linker synthetic strategy was employed to engineer the morphology of copper–triazolate metal–organic frameworks (Cu-Tz MOFs) through controlled crystal growth. By incorporating amino- and thioether-functionalized triazole alongside the parent triazole linkers, the framework's hydrophilicity, pore cavity, and surface chemistry were systematically modulated. Upon thermal activation, the resulting mixed-linker MOFs revealed accessible Cu(II) open metal sites, together with enhanced hydrophilicity and porosity within the framework. These features synergistically contribute to superior water removal performance from azeotropic water–ethanol mixtures, outperforming the parent CuTz in separation efficiency.</p>\n </div>","PeriodicalId":144,"journal":{"name":"Chemistry - A European Journal","volume":"32 13","pages":""},"PeriodicalIF":3.7000,"publicationDate":"2026-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemistry - A European Journal","FirstCategoryId":"92","ListUrlMain":"https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/chem.202503314","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2026/1/20 0:00:00","PubModel":"Epub","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
A mixed-linker synthetic strategy was employed to engineer the morphology of copper–triazolate metal–organic frameworks (Cu-Tz MOFs) through controlled crystal growth. By incorporating amino- and thioether-functionalized triazole alongside the parent triazole linkers, the framework's hydrophilicity, pore cavity, and surface chemistry were systematically modulated. Upon thermal activation, the resulting mixed-linker MOFs revealed accessible Cu(II) open metal sites, together with enhanced hydrophilicity and porosity within the framework. These features synergistically contribute to superior water removal performance from azeotropic water–ethanol mixtures, outperforming the parent CuTz in separation efficiency.
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Chemistry—A European Journal is a truly international journal with top quality contributions (2018 ISI Impact Factor: 5.16). It publishes a wide range of outstanding Reviews, Minireviews, Concepts, Full Papers, and Communications from all areas of chemistry and related fields.
Based in Europe Chemistry—A European Journal provides an excellent platform for increasing the visibility of European chemistry as well as for featuring the best research from authors from around the world.
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