Highly Efficient Enrichment of Volatile Iodine by Charged Porous Aromatic Frameworks with Three Sorption Sites
作者： Zhuojun Yan , Ye Yuan , Yuyang Tian , Daming Zhang , Guangshan Zhu
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摘要: The targeted synthesis of a series novel charged porous aromatic frameworks (PAFs) is reported. compounds PAF-23, PAF-24, and PAF-25 are built up by tetrahedral building unit, lithium tetrakis(4-iodophenyl)borate (LTIPB), different alkyne monomers as linkers Sonogashira-Hagihara coupling reaction. They possess excellent adsorption properties to organic molecules owing their "breathing" dynamic frameworks. As these PAF materials assemble three effective sorption sites, namely the ion bond, phenyl ring, triple bond together, they exhibit high affinity capacity for iodine molecules. To best our knowledge, give highest values among all (zeolites, metal-organic frameworks, frameworks) reported date.
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