Enhanced CO2 affinity in a metal–organic framework through green incorporation of a dual-functional amino acid Loukopoulos, Edward Barragán Soto, Sofía Marugán Benito, Sergio Borrego-Marin, Emilio Rodríguez Navarro, Jorge Andrés Platero-Prats, Ana E. Post-synthetic incorporation of amino acids into the Zr-based metal–organic framework DUT-67 via relatively green methods yields materials with enhanced CO2 affinity. Structural and sorption studies reveal high affinity for DUT-67-Trp, exploiting its dual functionality to achieve an adsorption enthalpy level comparable to those of high-performing frameworks. The findings provide a promising pathway towards developing sustainable amino-functionalized CO2 sorbents. 2025-11-21T11:53:30Z 2025-11-21T11:53:30Z 2025-11-12 journal article Loukopoulos, E., Barragán-Soto, S., Marugán-Benito, S., Borrego-Marin, E., Navarro, J. A. R., & Platero-Prats, A. E. (2025). Enhanced CO2 affinity in a metal-organic framework through green incorporation of a dual-functional amino acid. Nanoscale. https://doi.org/10.1039/d5nr03069b https://hdl.handle.net/10481/108191 10.1039/d5nr03069b eng info:eu-repo/grantAgreement/H2020/101034324 info:eu-repo/grantAgreement/EU/PRTR/PID2021-123839OB-I00 info:eu-repo/grantAgreement/EU/PRTR/PID2023-147972OB-I00 info:eu-repo/grantAgreement/EU/PRTR/RYC2018-024328-I info:eu-repo/grantAgreement/EU/PRTR/CNS2022-135261 http://creativecommons.org/licenses/by-nc/4.0/ open access Atribución-NoComercial 4.0 Internacional Royal Society of Chemistry