Mechanochemical Synthesis of Chemically Stable Isoreticular Covalent Organic Frameworks

2013/03/25 by Bishnu P. Biswal, Suman Chandra, Sharath Kandambeth +3 · 35 citations
Materials Science · Chemistry · #Covalent Organic Framework Applications #Metal-Organic Frameworks: Synthesis and Applications #Luminescence and Fluorescent Materials

paper · doi:10.1021/ja4017842

Abstract

Three thermally and chemically stable isoreticular covalent organic frameworks (COFs) were synthesized via room-temperature solvent-free mechanochemical grinding. These COFs were successfully compared with their solvothermally synthesized counterparts in all aspects. These solvent-free mechanochemically synthesized COFs have moderate crystallinity with remarkable stability in boiling water, acid (9 N HCl), and base [TpBD (MC) in 3 N NaOH and TpPa-2 (MC) in 9 N NaOH]. Exfoliation of COF layers was simultaneously observed with COF formation during mechanochemical synthesis. The structures thus obtained seemed to have a graphene-like layered morphology (exfoliated layers), unlike the parent COFs synthesized solvothermally.

Citations

• Storage of Hydrogen, Methane, and Carbon Dioxide in Highly Porous Covalent Organic Frameworks for Clean Energy Applications

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