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PreprintCC BYChemRxiv

Sonochemical synthesis of imine- and aminal-linked porous organic polymers for efficient CO2 separation

  • Michelle Åhlén1,2
  • Arvid Holton1,2
  • Maria Strømme1,2
  • Wenjing Wang3,4
  • Chao Xu1,2
4 affiliations
  1. 1Department of Materials Science and Engineering
  2. 2Uppsala University
  3. 3State Key Laboratory of Structural Chemistry
  4. 4Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences
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Abstract

The practical deployment of porous organic polymers (POPs) in gas separation applications remains challenging, in large part due to the limited scalability and time-consuming nature of conventional solvothermal synthesis. Herein, we report a facile and scalable sonochemical approach for the synthesis of POPs from cost-effective monomers. The resulting materials exhibit high BET surface areas of up to 664 m2/g and good CO2 separation performance for both CO2/N2 and CO2/CH4 mixtures. Scale-up to multigram quantities was achieved with a space-time yield more than 50-fold higher than that of conventional solvothermal synthesis. This study therefore provides a time-efficient and scalable synthetic strategy for highly porous POPs for gas separation.

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Cite

BibTeXRIS
BibTeX
@misc{ahlen2026sonochemical,
  title = {{Sonochemical synthesis of imine- and aminal-linked porous organic polymers for efficient CO2 separation}},
  author = {Michelle Åhlén and Arvid Holton and Maria Strømme and Wenjing Wang and Chao Xu},
  howpublished = {ChemRxiv},
  year = {2026},
  month = oct,
  doi = {10.26434/chemrxiv.15011166/v1},
  url = {https://chemrxiv.org/doi/full/10.26434/chemrxiv.15011166/v1},
  note = {CC BY},
}
RIS
TY  - UNPB
TI  - Sonochemical synthesis of imine- and aminal-linked porous organic polymers for efficient CO2 separation
AU  - Michelle Åhlén
AU  - Arvid Holton
AU  - Maria Strømme
AU  - Wenjing Wang
AU  - Chao Xu
PY  - 2026
DA  - 2026/10/27
PB  - ChemRxiv
DO  - 10.26434/chemrxiv.15011166/v1
UR  - https://chemrxiv.org/doi/full/10.26434/chemrxiv.15011166/v1
AB  - The practical deployment of porous organic polymers (POPs) in gas separation applications remains challenging, in large part due to the limited scalability and time-consuming nature of conventional solvothermal synthesis. Herein, we report a facile and scalable sonochemical approach for the synthesis of POPs from cost-effective monomers. The resulting materials exhibit high BET surface areas of up to 664 m2/g and good CO2 separation performance for both CO2/N2 and CO2/CH4 mixtures. Scale-up to multigram quantities was achieved with a space-time yield more than 50-fold higher than that of conventional solvothermal synthesis. This study therefore provides a time-efficient and scalable synthetic strategy for highly porous POPs for gas separation.
ER  -