Article Central-metal-cation-based modulation of gas adsorption selectivity in porous tetrapyrrolic materials

Subrata Maji ; Prachi Gupta ; Rob Clowes ; Yoshitaka Matsushita SAMURAI ORCID (National Institute for Materials Science) ; Lok Kumar Shrestha SAMURAI ORCID (National Institute for Materials Science) ; Anna G. Slater ; Jonathan P. Hill SAMURAI ORCID (National Institute for Materials Science) ; Mandeep K. Chahal

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Subrata Maji, Prachi Gupta, Rob Clowes, Yoshitaka Matsushita, Lok Kumar Shrestha, Anna G. Slater, Jonathan P. Hill, Mandeep K. Chahal. Central-metal-cation-based modulation of gas adsorption selectivity in porous tetrapyrrolic materials. Chemical Communications. 2026, 62 (18), 5227-5231. https://doi.org/10.1039/d5cc06796k

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(abstract)

We present a direct strategy to assemble porous tetrapyrrolic materials with tunable gas uptake selectivity by varying the coordinated cation. Co-OX1 shows improved CO2 uptake of 51.66 cm3 g 1 at 298 K, while free base-OX1 demonstrates a CO2/N2 selectivity of 202.9. This approach offers a viable route to CO2 capture technologies.

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Keyword: Selective CO2 uptake materials

Date published: 2026-02-17

Publisher: Royal Society of Chemistry (RSC)

Journal:

  • Chemical Communications (ISSN: 1364548X) vol. 62 issue. 18 p. 5227-5231

Funding:

  • Royal Society of Chemistry R23-0850952021
  • Royal Society RG\R1\251071
  • Royal Society URF\R1\201168

Manuscript type: Publisher's version (Version of record)

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First published URL: https://doi.org/10.1039/d5cc06796k

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Updated at: 2026-03-16 10:38:07 +0900

Published on MDR: 2026-03-16 17:54:59 +0900

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