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Novel CO<sub>2</sub>-philic porous organic polymers synthesized in water: a leap towards eco-sustainability

Riccardo Mobili Orcid Logo, YUE WU, Charl Xavier Bezuidenhout Orcid Logo, Sonia La Cognata Orcid Logo, Silvia Bracco Orcid Logo, Mariolino Carta Orcid Logo, Valeria Amendola Orcid Logo

RSC Sustainability, Volume: 2, Issue: 11, Pages: 3345 - 3352

Swansea University Authors: YUE WU, Mariolino Carta Orcid Logo

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DOI (Published version): 10.1039/d4su00479e

Abstract

We introduce two novel keto-enamine-linked porous organic polymers (POPs) distinguished by the presence of methyl or ethyl groups in their triamine precursors. These innovative POPs can be synthesized efficiently in water under mild conditions, utilizing starting materials that can be prepared on a...

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Published in: RSC Sustainability
ISSN: 2753-8125
Published: Royal Society of Chemistry (RSC) 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa68021
Abstract: We introduce two novel keto-enamine-linked porous organic polymers (POPs) distinguished by the presence of methyl or ethyl groups in their triamine precursors. These innovative POPs can be synthesized efficiently in water under mild conditions, utilizing starting materials that can be prepared on a gram scale through well-established procedures. Unlike most CO2-philic POPs, which often require organic solvents, high temperatures, catalysts, additives, or hydrothermal equipment, these new polymers are synthesized in pure water at a relatively low temperature (70 °C) without any catalysts or additives and using common glassware. The N-rich composition of these porous organic polymers also contributes to their high adsorption selectivity for CO2 over N2, as calculated with the IAST method at 298 K. This combination of environmentally friendly synthesis, high yield, and superior adsorption properties positions these novel POPs as promising candidates for greener carbon capture technologies based on solid sorbents.
College: Faculty of Science and Engineering
Funders: VA, SLC, RM acknowledge the Cariplo Foundation (MOCA project, grant no. 2019-2090) for financial support. VA and SLC also acknowledge the support from the Ministero dell’Università e della Ricerca (MUR) and the University of Pavia through the program “Dipartimenti di Eccellenza 2023–2027”. SB acknowledges Lombardy Region for ‘‘Enhancing Photosynthesis’’ grant (2021–2024) for the financial support.
Issue: 11
Start Page: 3345
End Page: 3352