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离子液体修饰金属有机框架材料的制备及表征

Preparation and characterization of ionic liquid modified MOF
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摘要 利用离子液体具有良好相容性的特点,对金属有机框架UiO-66-NH_(2)进行合成后修饰。通过微波辐射辅助法合成了金属有机框架材料UiO-66-NH_(2),并对其进行修饰合成了[HOOCMMIm]Br@UiO-66-NH_(2),产率达65%。对其进行表面形貌观察,离子液体修饰的[HOOCMMIm]Br@UiO-66-NH_(2)骨架材料较UiO-66-NH_(2)粒径变大;X射线衍射表征显示,修饰后的[HOOCMMIm]Br@UiO-66-NH_(2)仍保持原有骨架结构;在77K时氮气物理吸附测试结果表明,比表面积较UiO-66-NH_(2)提高了46.4%,孔体积增大了49.3%。 The metal-organic framework(MOF)UiO-66-NH_(2) was post-synthetically modified by taking advantage of the characteristics of good compatibility of ionic liquids.The MOF UiO-66-NH_(2) was synthesized by microwave radiation-assisted method and modified to synthesize[HOOCMMIm]Br@UiO-66-NH_(2) in 65%yield.The surface morphology was observed,and the ionic liquid modified[HOOCMMIm]Br@UiO-66-NH_(2) skeleton material became larger in size than UiO-66-NH_(2).XRD characterization showed that the modified[HOOCMMIm]Br@UiO-66-NH_(2) still kept the original skeleton structure.The results of nitrogen physisorption test at 77 K showed that the specific surface area increased by 46.4%and the pore volume increased by 49.3%compared with that of UiO-66-NH_(2).
作者 张羽舒 贾宏葛 李俊 Zhang Yushu;Jia Hongge;Li Jun(Department of Chemical and Chemical Engineering,Key Laboratory of Polymer-based Composites,Heilongjiang Province,Qiqihar 161006;Department of Architectural Engineering,Qiqihar Institute of Engineering,Qiqihar 161005)
出处 《化工新型材料》 CAS CSCD 北大核心 2022年第5期112-114,125,共4页 New Chemical Materials
基金 黑龙江省自然科学基金项目(LH2019B032) 黑龙江省省属高等学校基本科研业务费科研项目(135309503)。
关键词 金属有机框架 离子液体 UiO-66-NH_(2) metal-organic frameworks ionic liquid UiO-66-NH_(2)
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