Rapid and scalable synthesis of porous organic cages with solvent recyclability

Liangxiao Tan, Siyu Ren, Jian Ke Sun*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Herein, we report the feasible synthesis of a series of porous organic cages (POCs, e.g., CC1, CC2, CC4, and CC3–OH) through a straightforward and effective dynamic solvent-mediated strategy. Notably, the preparation of POC nanocrystals can be significantly shortened from days/weeks (by traditional methods) to just 4 h, even at a large scale (around 2 g), due to the accelerated imine-bond formation. The easy-purification of POCs involving a filtration procedure also enables good solvent recyclability, which has been seldomly discussed in previous reports, but may be promising in potential industrial production. Moreover, the solvent media induce increased disorder of cage molecules within the nanocrystals, imparting expanded porosity with enhanced gas sorption property. Our finding may provide a universal tool for the synthesis and utilization of certain imine-based POCs, potentially advancing this field.

Original languageEnglish
Article number124605
JournalJournal of Solid State Chemistry
Volume333
DOIs
Publication statusPublished - May 2024

Keywords

  • Gas sorption
  • Porous organic cages
  • Rapid synthesis
  • Solvent recyclability

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