通过带有三个吸附位的带电多孔芳香骨架高效富集挥发性碘。

Highly Efficient Enrichment of Volatile Iodine by Charged Porous Aromatic Frameworks with Three Sorption Sites.

机构信息

Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin 130024 (P.R. China).

State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin UniversityChangchun, Jilin 130012 (P.R. China).

出版信息

Angew Chem Int Ed Engl. 2015 Oct 19;54(43):12733-7. doi: 10.1002/anie.201503362. Epub 2015 Aug 28.

DOI:10.1002/anie.201503362

PMID:26316032

Abstract

The targeted synthesis of a series of novel charged porous aromatic frameworks (PAFs) is reported. The compounds PAF-23, PAF-24, and PAF-25 are built up by a tetrahedral building unit, lithium tetrakis(4-iodophenyl)borate (LTIPB), and different alkyne monomers as linkers by a Sonogashira-Hagihara coupling reaction. They possess excellent adsorption properties to organic molecules owing to their "breathing" dynamic frameworks. As these PAF materials assemble three effective sorption sites, namely the ion bond, phenyl ring, and triple bond together, they exhibit high affinity and capacity for iodine molecules. To the best of our knowledge, these PAF materials give the highest adsorption values among all porous materials (zeolites, metal-organic frameworks, and porous organic frameworks) reported to date.

摘要

报道了一系列新型带电多孔芳香骨架（PAFs）的靶向合成。化合物 PAF-23、PAF-24 和 PAF-25 是由四面体结构单元锂四（4-碘苯基）硼酸酯（LTIPB）和不同炔烃单体通过 Sonogashira-Hagihara 偶联反应作为连接体构建而成。由于其“呼吸”动态骨架，它们对有机分子具有优异的吸附性能。由于这些 PAF 材料组装了三个有效的吸附位点，即离子键、苯环和三键，因此它们对碘分子表现出高亲和力和高容量。据我们所知，这些 PAF 材料在迄今为止报道的所有多孔材料（沸石、金属有机骨架和多孔有机骨架）中给出了最高的吸附值。