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Isostructural Metal–Organic Frameworks Assembled from Functionalized Diisophthalate Ligands through a Ligand‐Truncation Strategy
Authors:Yangyang Liu  Dr. Jian‐Rong Li  Wolfgang M. Verdegaal  Tian‐Fu Liu  Prof. Hong‐Cai Zhou
Affiliation:Department of Chemistry, Texas A&M University, College Station, TX 77843 (USA), Fax: (+1)?979‐845‐1595
Abstract:Four isostructural metal–organic frameworks (MOFs) with various functionalized pore surfaces were synthesized from a series of diisophthalate ligands. These MOFs exhibit a new network topology of {4.64.8}2{42.64}{64.82}2{66}. Hydrogen uptake as high as 2.67 wt % at 77 K/1 bar and CO2 uptake of 15.4 wt % at 297 K/1 bar have been observed for PCN‐308, which contains ? CF3 groups. The isostructural series of MOFs also showed reasonable adsorption selectivity of CO2 over CH4 and N2.
Keywords:adsorption  carbon dioxide  hydrogen storage  metal–  organic frameworks  porous materials
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