Solvent-Controlled Assembly of ionic Metal-Organic Frameworks Based on Indium and Tetracarboxylate Ligand: Topology Variety and Gas Sorption Properties

Bing Zheng, Xiaodong Sun, Guanghua Li, Amy Cairns, Victor Kravtsov, Qisheng Huo, Yunling Liu, Mohamed Eddaoudi

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

Four Metal-Organic Frameworks (MOFs) based on Indium and tetracarboxylate ligand have been synthesized through regulation of the solvent conditions, the resulted compounds not only exhibited rich structural topologies (pts, soc and unique topologies), but also interesting charge reversal framework features. By regulating the solvent, different building units (indium monomer, trimer) have been generated in situ, and they are connected with the ligand to form ionic frameworks 1-4, respectively. Among the synthesized four ionic frameworks, compounds 3 and 4 could keep their crystallinity upon heating temperature up to 300oC after fully removal of solvent guest molecules, they also exhibit the charge reversal framework features (3 adopts an overall cationic framework, while 4 has an anionic framework). Both compounds 3 and 4 exhibit significant uptake capacity for CO2 and H2, besides that, compounds 3 and 4 also present excellent selective adsorption of CO2 over N2 and CH4.
Original languageEnglish (US)
Pages (from-to)5554-5562
Number of pages9
JournalCrystal Growth & Design
Volume16
Issue number9
DOIs
StatePublished - Jul 28 2016

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