Mechanochemical synthesis of chemically stable isoreticular covalent organic frameworks

Bishnu P. Biswal, Suman Chandra, Sharath Kandambeth, Binit Lukose, Thomas Heine, Rahul Banerjee

Research output: Contribution to journalArticlepeer-review

365 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)5328-5331
Number of pages4
JournalJournal of the American Chemical Society
Volume135
Issue number14
DOIs
Publication statusPublished - 2013 Apr 10

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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