{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T03:47:05Z","timestamp":1792813625382,"version":"4.5.0"},"reference-count":96,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T00:00:00Z","timestamp":1781827200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>The increasing concentration of atmospheric CO2 has intensified the urgent need for efficient and sustainable carbon capture technologies. Covalent organic frameworks (COFs) have emerged as a highly promising class of porous crystalline materials for CO2 adsorption and separation owing to their structural tunability, high surface area, and precisely designable pore environments. This review summarizes recent advances in COF-based CO2 capture systems, covering pristine COFs, functionalized frameworks, composite materials, and membrane-based architectures. In pristine COFs, CO2 adsorption is mainly governed by micropore confinement and physisorption within well-defined channels, where surface area and pore size distribution play key roles. Functionalized COFs introduce additional active sites, including amine groups, heteroatoms, ionic functionalities, and alkali metal centers, which significantly enhance CO2 affinity through stronger electrostatic and acid\u2013base interactions, often leading to mixed physisorption\u2013chemisorption behavior. Composite COFs and mixed-matrix membranes further improve performance through synergistic effects, interfacial engineering, and enhanced mass transport. Despite these advantages, challenges remain in achieving an optimal balance between capacity, selectivity, and regenerability under realistic conditions such as humidity, low CO2 partial pressure, and multicomponent gas streams. Issues related to scalable synthesis, structural stability, and processability also limit practical applications. Overall, this review highlights key structure\u2013property relationships and outlines future directions, including humid-stable COFs, direct air capture, computational design strategies, and advanced membrane technologies, for next-generation CO2 capture materials.<\/jats:p>","DOI":"10.3390\/nano16120777","type":"journal-article","created":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T05:52:11Z","timestamp":1782453131000},"page":"777","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Covalent Organic Frameworks for CO2 Capture: From Design to Application"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3349-0363","authenticated-orcid":false,"given":"Hafezeh","family":"Nabipour","sequence":"first","affiliation":[{"name":"Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1667-1736","authenticated-orcid":false,"given":"Sohrab","family":"Rohani","sequence":"additional","affiliation":[{"name":"Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,6,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"136794","DOI":"10.1016\/j.energy.2025.136794","article-title":"Does the reduction of CO2 emissions from renewable energy generation vary depending on economic and industrial structure? Empirical evidence from major CO2 emitting countries","volume":"330","author":"Fu","year":"2025","journal-title":"Energy"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"34","DOI":"10.1186\/s13705-018-0177-9","article-title":"A review of material development in the field of carbon capture and the application of membrane-based processes in power plants and energy-intensive industries","volume":"8","author":"He","year":"2018","journal-title":"Energy Sustain. Soc."},{"key":"ref_3","first-page":"100365","article-title":"Covalent organic frameworks (COFs) for CO2 utilizations","volume":"14","author":"Alenazi","year":"2025","journal-title":"Carbon Capture Sci. Technol."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"3779","DOI":"10.1021\/acs.iecr.0c04547","article-title":"Review on reactor configurations for adsorption-based CO2 capture","volume":"60","author":"Dhoke","year":"2021","journal-title":"Ind. Eng. Chem. Res."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"217334","DOI":"10.1016\/j.ccr.2025.217334","article-title":"Progress of MOFs\/solid material composite adsorbent for efficient CO2 adsorption and separation","volume":"549","author":"Wang","year":"2026","journal-title":"Coord. Chem. Rev."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1016\/j.mattod.2018.10.038","article-title":"Metal\u2013organic frameworks: Structures and functional applications","volume":"27","author":"Jiao","year":"2019","journal-title":"Mater. Today"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"1293","DOI":"10.1039\/D2PY01350A","article-title":"Covalent organic frameworks (COFs): A promising CO2 capture candidate material","volume":"14","author":"Wang","year":"2023","journal-title":"Polym. Chem."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"3819","DOI":"10.1021\/acs.nanolett.4c00628","article-title":"Regulating benzene ring number as connector in covalent organic framework for boosting photosynthesis of H2O2 from seawater","volume":"24","author":"Liao","year":"2024","journal-title":"Nano Lett."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"5254","DOI":"10.1039\/D3TA06586C","article-title":"One-step synthesis of a highly crystalline covalent organic framework with olefin and imine dual linkages for tuning the catalytic activity","volume":"12","author":"Sun","year":"2024","journal-title":"J. Mater. Chem. A"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"113134","DOI":"10.1016\/j.micromeso.2024.113134","article-title":"A vinyl-pendant triazine-based covalent organic framework for efficient C3H6\/C2H4 separation","volume":"373","author":"Qin","year":"2024","journal-title":"Microporous Mesoporous Mater."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"123418","DOI":"10.1016\/j.apcatb.2023.123418","article-title":"Metal-porphyrin-based three-dimensional covalent organic frameworks for electrocatalytic nitrogen reduction","volume":"342","author":"Shan","year":"2024","journal-title":"Appl. Catal. B Environ."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"19172","DOI":"10.1039\/D5TA03140K","article-title":"Designing covalent organic frameworks for organic catalysis: Bridging reticular and molecular chemistry","volume":"13","author":"Shirani","year":"2025","journal-title":"J. Mater. Chem. A"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"129897","DOI":"10.1016\/j.seppur.2024.129897","article-title":"Ultrahigh CO2 capture and separation in 3D Cage-COFs: Synergistic effect from Li, topology, and pore size","volume":"356","author":"Zhang","year":"2025","journal-title":"Sep. Purif. Technol."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"905","DOI":"10.1038\/nchem.2352","article-title":"Stable, crystalline, porous covalent organic frameworks as a platform for chiral organocatalysts","volume":"7","author":"Xu","year":"2015","journal-title":"Nat. Chem."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"4258","DOI":"10.1021\/jacs.7b02648","article-title":"Exfoliation of covalent organic frameworks into few-layer redox-active nanosheets as cathode materials for lithium-ion batteries","volume":"139","author":"Wang","year":"2017","journal-title":"J. Am. Chem. Soc."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"1879","DOI":"10.1021\/acsnano.2c11346","article-title":"Covalent organic frameworks: Recent progress in biomedical applications","volume":"17","author":"Shi","year":"2023","journal-title":"ACS Nano"},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"216507","DOI":"10.1016\/j.ccr.2025.216507","article-title":"Covalent organic frameworks as advanced materials for adsorption and analysis of contaminants in environmental, biological and food matrices","volume":"533","author":"Liang","year":"2025","journal-title":"Coord. Chem. Rev."},{"key":"ref_18","first-page":"e202400244","article-title":"Application of COF materials in carbon dioxide electrocatalytic reduction","volume":"25","author":"Wang","year":"2025","journal-title":"Chem. Asian J."},{"key":"ref_19","doi-asserted-by":"crossref","unstructured":"Li, Y., Liu, M., Wu, J., Li, J., Yu, X., and Zhang, Q. (2022). Highly stable \u03b2-ketoenamine-based covalent organic frameworks (COFs): Synthesis and optoelectrical applications. Front. Optoelectron., 15.","DOI":"10.1007\/s12200-022-00032-5"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1007\/s10934-023-01504-5","article-title":"Covalent organic frameworks for CO2 adsorption: Fundamentals, structural features and synthesis","volume":"31","author":"Saeed","year":"2024","journal-title":"J. Porous Mater."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"eaal158","DOI":"10.1126\/science.aal1585","article-title":"The atom, the molecule, and the covalent organic framework","volume":"355","author":"Diercks","year":"2017","journal-title":"Science"},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"6463","DOI":"10.1039\/D3QM00705G","article-title":"Emerging porous materials for carbon dioxide adsorptive capture: Progress and challenges","volume":"7","author":"Pan","year":"2023","journal-title":"Mater. Chem. Front."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"100054","DOI":"10.1016\/j.giant.2021.100054","article-title":"Covalent organic frameworks: Design principles, synthetic strategies, and diverse applications","volume":"6","author":"Abuzeid","year":"2021","journal-title":"Giant"},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"2103808","DOI":"10.1002\/adma.202103808","article-title":"From molecules to frameworks to superframework crystals","volume":"33","author":"Ji","year":"2021","journal-title":"Adv. Mater."},{"key":"ref_25","doi-asserted-by":"crossref","unstructured":"Bukhari, S.N.A., Ahmed, N., Amjad, M.W., Hussain, M.A., Elsherif, M.A., Ejaz, H., and Alotaibi, N.H. (2023). Covalent organic frameworks (COFs) as multi-target multifunctional frameworks. Polymers, 15.","DOI":"10.3390\/polym15020267"},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"1166","DOI":"10.1126\/science.1120411","article-title":"Porous, crystalline, covalent organic frameworks","volume":"310","author":"Benin","year":"2005","journal-title":"Science"},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"29934","DOI":"10.1021\/acsnano.5c09252","article-title":"Toward continuous, oriented covalent organic framework membranes for precise molecular separations","volume":"19","author":"Parkinson","year":"2025","journal-title":"ACS Nano"},{"key":"ref_28","doi-asserted-by":"crossref","unstructured":"Borkowska, M., and Mr\u00f3wczy\u0144ski, R. (2023). Triptycene-based 3D covalent organic frameworks (COFs)\u2014An emerging class of 3D structures. Symmetry, 15.","DOI":"10.3390\/sym15091803"},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"114026","DOI":"10.1016\/j.micromeso.2026.114026","article-title":"Recent research progress of COFs as advanced functional materials for solar energy conversion","volume":"404","author":"Bi","year":"2026","journal-title":"Microporous Mesoporous Mater."},{"key":"ref_30","first-page":"100370","article-title":"Structural design of covalent organic frameworks and their recent advancements in carbon capture applications: A review","volume":"14","author":"Essalhi","year":"2025","journal-title":"Carbon Capture Sci. Technol."},{"key":"ref_31","first-page":"e202504355","article-title":"Linkages chemistry of covalent organic frameworks in photocatalysis and electrocatalysis","volume":"64","author":"Yang","year":"2025","journal-title":"Chem. Asian J."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"1596","DOI":"10.1016\/j.gee.2022.05.003","article-title":"Synthesis strategies of covalent organic frameworks: An overview from nonconventional heating methods and reaction media","volume":"8","author":"Xiao","year":"2023","journal-title":"Green Energy Environ."},{"key":"ref_33","doi-asserted-by":"crossref","unstructured":"Saeed, T., Sultana, A., Naeem, A., Khan, N.H., Khattak, N.S., Ahmad, A., and Waleed, M. (2026). Covalent organic frameworks as a promising adsorbent for CO adsorption. Sorption\u2014Theoretical Aspects and Practical Applications, IntechOpen.","DOI":"10.5772\/intechopen.1013178"},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"11478","DOI":"10.1021\/ja204728y","article-title":"Crystalline covalent organic frameworks with hydrazone linkages","volume":"133","author":"Doonan","year":"2011","journal-title":"J. Am. Chem. Soc."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"4503","DOI":"10.1038\/ncomms5503","article-title":"Covalent organic frameworks with designed functionality","volume":"5","author":"Fang","year":"2014","journal-title":"Nat. Commun."},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"14149","DOI":"10.1002\/anie.201708548","article-title":"Covalent triazine frameworks via a low-temperature polycondensation approach","volume":"56","author":"Wang","year":"2017","journal-title":"Angew. Chem. Int. Ed."},{"key":"ref_37","doi-asserted-by":"crossref","first-page":"17310","DOI":"10.1021\/ja4103293","article-title":"An azine-linked covalent organic framework","volume":"135","author":"Dalapati","year":"2013","journal-title":"J. Am. Chem. Soc."},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"137148","DOI":"10.1016\/j.cej.2022.137148","article-title":"Covalent organic frameworks: From linkages to biomedical applications","volume":"446","author":"Li","year":"2022","journal-title":"Chem. Eng. J."},{"key":"ref_39","doi-asserted-by":"crossref","first-page":"2421","DOI":"10.1002\/cssc.201900570","article-title":"Imidazolium-salt-functionalized covalent organic frameworks for highly efficient catalysis of CO2 conversion","volume":"12","author":"Qiu","year":"2019","journal-title":"ChemSusChem"},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"4570","DOI":"10.1021\/ja8096256","article-title":"A crystalline imine-linked 3-D porous covalent organic framework","volume":"131","author":"Hunt","year":"2009","journal-title":"J. Am. Chem. Soc."},{"key":"ref_41","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1016\/j.jtice.2019.07.016","article-title":"Synthesis of [3 + 3] \u03b2-ketoenamine-tethered covalent organic frameworks for high-performance supercapacitance and CO2 storage","volume":"103","author":"Hsu","year":"2019","journal-title":"J. Taiwan Inst. Chem. Eng."},{"key":"ref_42","doi-asserted-by":"crossref","first-page":"2373","DOI":"10.1002\/pola.29510","article-title":"Covalent organic frameworks: Synthesis and properties","volume":"57","author":"Veldhuizen","year":"2019","journal-title":"J. Polym. Sci. A Polym. Chem."},{"key":"ref_43","doi-asserted-by":"crossref","first-page":"22577","DOI":"10.1021\/acs.jpcc.0c07062","article-title":"Computational selection of high-performing covalent organic frameworks for adsorption and membrane-based CO2\/H2 separation","volume":"124","author":"Aksu","year":"2020","journal-title":"J. Phys. Chem. C"},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"5118","DOI":"10.1021\/acsami.2c17672","article-title":"Aromatic amine-functionalized covalent organic frameworks for CO2\/N2 separation","volume":"15","author":"Dautzenberg","year":"2023","journal-title":"ACS Appl. Mater. Interfaces"},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"e2217081120","DOI":"10.1073\/pnas.2217081120","article-title":"Insertion of CO2 in metal ion-doped two-dimensional covalent organic frameworks","volume":"120","author":"Kang","year":"2023","journal-title":"Proc. Natl. Acad. Sci. USA"},{"key":"ref_46","doi-asserted-by":"crossref","first-page":"12989","DOI":"10.1021\/jacs.2c05382","article-title":"Covalent organic frameworks for carbon dioxide capture from air","volume":"144","author":"Lyu","year":"2022","journal-title":"J. Am. Chem. Soc."},{"key":"ref_47","doi-asserted-by":"crossref","first-page":"278","DOI":"10.1016\/j.jechem.2024.09.020","article-title":"Porous framework materials for CO2 capture","volume":"101","author":"Zhang","year":"2025","journal-title":"J. Energy Chem."},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"3570","DOI":"10.1021\/acs.chemmater.0c00745","article-title":"Influence of pore size on carbon dioxide diffusion in two isoreticular metal\u2013organic frameworks","volume":"32","author":"Forse","year":"2020","journal-title":"Chem. Mater."},{"key":"ref_49","doi-asserted-by":"crossref","first-page":"4315","DOI":"10.1021\/acs.chemmater.3c03230","article-title":"High-throughput screening of covalent organic frameworks for carbon capture using machine learning","volume":"36","author":"Ravichandran","year":"2024","journal-title":"Chem. Mater."},{"key":"ref_50","doi-asserted-by":"crossref","first-page":"6294","DOI":"10.1039\/D2CS00465H","article-title":"Covalent organic frameworks for CO2 capture: From laboratory curiosity to industry implementation","volume":"52","author":"Li","year":"2023","journal-title":"Chem. Soc. Rev."},{"key":"ref_51","doi-asserted-by":"crossref","first-page":"105638","DOI":"10.1016\/j.jtice.2024.105638","article-title":"The influence of different functional groups on enhancing CO2 capture in metal-organic framework adsorbents","volume":"163","author":"Soleimani","year":"2024","journal-title":"J. Taiwan Inst. Chem. Eng."},{"key":"ref_52","doi-asserted-by":"crossref","first-page":"120702","DOI":"10.1016\/j.ces.2024.120702","article-title":"Screening and preparation of functionalized TpBD-COFs for CO2 capture","volume":"301","author":"Qu","year":"2025","journal-title":"Chem. Eng. Sci."},{"key":"ref_53","doi-asserted-by":"crossref","first-page":"132153","DOI":"10.1016\/j.matchemphys.2026.132153","article-title":"The effect of pore structure and N-functional groups of COFs on CO2 adsorption: A simulation study","volume":"353","author":"Wang","year":"2026","journal-title":"Mater. Chem. Phys."},{"key":"ref_54","doi-asserted-by":"crossref","first-page":"22100","DOI":"10.1039\/D5NR02324F","article-title":"Unravelling the nanoarchitectonics of \u2013C\u2013N\u2013 linkages in covalent organic frameworks for CO2 capture\u2014A mini-review","volume":"17","author":"Raju","year":"2025","journal-title":"Nanoscale"},{"key":"ref_55","doi-asserted-by":"crossref","first-page":"834","DOI":"10.1007\/s40242-022-2060-7","article-title":"A three-dimensional covalent organic framework for CO2 uptake and dyes adsorption","volume":"38","author":"Song","year":"2022","journal-title":"Chem. Res. Chin. Univ."},{"key":"ref_56","doi-asserted-by":"crossref","first-page":"3827","DOI":"10.1039\/D2PY00329E","article-title":"Pyrazine-cored covalent organic frameworks for efficient CO2 adsorption and removal of organic dyes","volume":"13","author":"Hu","year":"2022","journal-title":"Polym. Chem."},{"key":"ref_57","doi-asserted-by":"crossref","first-page":"68","DOI":"10.1016\/j.seppur.2016.06.016","article-title":"A highly stable microporous covalent imine network adsorbent for natural gas upgrading and flue gas CO2 capture","volume":"170","author":"Das","year":"2016","journal-title":"Sep. Purif. Technol."},{"key":"ref_58","doi-asserted-by":"crossref","first-page":"19969","DOI":"10.1039\/D6RA01174H","article-title":"Fluorine-engineered two-dimensional covalent organic frameworks for enhanced C2H2\/CO2 separation","volume":"16","author":"Liu","year":"2026","journal-title":"RSC Adv."},{"key":"ref_59","doi-asserted-by":"crossref","first-page":"16842","DOI":"10.1021\/jacs.0c07732","article-title":"3D cage COFs: A dynamic three-dimensional covalent organic framework with high-connectivity organic cage nodes","volume":"142","author":"Zhu","year":"2020","journal-title":"J. Am. Chem. Soc."},{"key":"ref_60","doi-asserted-by":"crossref","first-page":"536","DOI":"10.1038\/ncomms1542","article-title":"Pore surface engineering in covalent organic frameworks","volume":"2","author":"Nagai","year":"2011","journal-title":"Nat. Commun."},{"key":"ref_61","doi-asserted-by":"crossref","first-page":"28","DOI":"10.1016\/j.matlet.2018.07.071","article-title":"Alkyl amine functionalized triphenylamine-based covalent organic frameworks for high-efficiency CO2 capture and separation over N2","volume":"230","author":"Wang","year":"2018","journal-title":"Mater. Lett."},{"key":"ref_62","doi-asserted-by":"crossref","first-page":"1729","DOI":"10.1021\/acsapm.4c03540","article-title":"Alkali metal-functionalized covalent organic frameworks for CO2 adsorption and CO2\/N2 separation","volume":"7","author":"Liu","year":"2025","journal-title":"ACS Appl. Polym. Mater."},{"key":"ref_63","doi-asserted-by":"crossref","first-page":"138532","DOI":"10.1016\/j.jcis.2025.138532","article-title":"Amine-functionalized covalent organic frameworks for high-performance carbon dioxide capture","volume":"700","author":"Zhao","year":"2025","journal-title":"J. Colloid Interface Sci."},{"key":"ref_64","doi-asserted-by":"crossref","first-page":"35486","DOI":"10.1021\/jacs.4c14971","article-title":"Bonding of polyethylenimine in covalent organic frameworks for CO2 capture from air","volume":"146","author":"Li","year":"2024","journal-title":"J. Am. Chem. Soc."},{"key":"ref_65","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1016\/j.micromeso.2015.11.030","article-title":"A thiadiazole-functionalized covalent organic framework for efficient CO2 capture and separation","volume":"224","author":"Wang","year":"2016","journal-title":"Microporous Mesoporous Mater."},{"key":"ref_66","first-page":"115612","article-title":"Metal-free COF\u2013ionic polymer hybrids for efficient CO2 capture and conversion","volume":"589","author":"Yin","year":"2026","journal-title":"Mol. Catal."},{"key":"ref_67","doi-asserted-by":"crossref","first-page":"119171","DOI":"10.1016\/j.ces.2023.119171","article-title":"Bifunctional core-shell Zr-MOFs@COFs hybrids for CO2 capture and photocatalytic oxidative amine coupling","volume":"281","author":"Wang","year":"2023","journal-title":"Chem. Eng. Sci."},{"key":"ref_68","doi-asserted-by":"crossref","first-page":"560","DOI":"10.1246\/cl.141194","article-title":"In situ synthesis of covalent organic frameworks on carbon nanotubes and graphenes by sonochemical reaction for CO2 adsorbents","volume":"44","author":"Yoo","year":"2015","journal-title":"Chem. Lett."},{"key":"ref_69","doi-asserted-by":"crossref","first-page":"59795","DOI":"10.1021\/acsami.3c13966","article-title":"Three-dimensional printing of cellulose\/covalent organic frameworks for CO2 adsorption and water treatment","volume":"15","author":"Abdelhamid","year":"2023","journal-title":"ACS Appl. Mater. Interfaces"},{"key":"ref_70","doi-asserted-by":"crossref","first-page":"4689","DOI":"10.1039\/C8TA12046C","article-title":"Ionic liquid-decorated COF and its covalent composite aerogel for selective CO2 adsorption and catalytic conversion","volume":"7","author":"Ding","year":"2019","journal-title":"J. Mater. Chem. A"},{"key":"ref_71","first-page":"e202303474","article-title":"Covalent organic frameworks: Cutting-edge materials for carbon dioxide capture and water harvesting from air","volume":"30","author":"Mabuchi","year":"2024","journal-title":"Chem. Asian J."},{"key":"ref_72","doi-asserted-by":"crossref","first-page":"118693","DOI":"10.1016\/j.memsci.2020.118693","article-title":"COF-based mixed matrix membranes for enhanced CO2 separation","volume":"618","author":"Liu","year":"2021","journal-title":"J. Membr. Sci."},{"key":"ref_73","doi-asserted-by":"crossref","first-page":"18475","DOI":"10.1021\/acssuschemeng.4c08684","article-title":"Ionic COF membrane with confined mobile carriers for stable CO2 capture","volume":"12","author":"Wang","year":"2024","journal-title":"ACS Sustain. Chem. Eng."},{"key":"ref_74","doi-asserted-by":"crossref","first-page":"119384","DOI":"10.1016\/j.memsci.2021.119384","article-title":"Ultrathin COF film as membrane gutter layer for high-permeance CO2 capture","volume":"632","author":"Ying","year":"2021","journal-title":"J. Membr. Sci."},{"key":"ref_75","doi-asserted-by":"crossref","first-page":"377","DOI":"10.1016\/j.memsci.2017.12.008","article-title":"Mixed-matrix membranes containing an azine-linked COF for post-combustion CO2 capture","volume":"549","author":"Shan","year":"2018","journal-title":"J. Membr. Sci."},{"key":"ref_76","doi-asserted-by":"crossref","first-page":"12636","DOI":"10.1039\/D0TA12486A","article-title":"COF membranes with facilitated transport carriers for CO2 capture","volume":"9","author":"Yang","year":"2021","journal-title":"J. Mater. Chem. A"},{"key":"ref_77","doi-asserted-by":"crossref","first-page":"115881","DOI":"10.1016\/j.jece.2025.115881","article-title":"Advanced materials for CO2 capture and storage: Review","volume":"13","author":"Wang","year":"2025","journal-title":"J. Environ. Chem. Eng."},{"key":"ref_78","doi-asserted-by":"crossref","unstructured":"Mouctar, M.H., Hassan, M.G., Bimbo, N., Abbas, S.Z., and Shigidi, I. (2025). Comparative assessment of zeolites, MOFs, and activated carbons for CO2 capture. Inventions, 10.","DOI":"10.3390\/inventions10050078"},{"key":"ref_79","first-page":"e202200572","article-title":"Metal-organic frameworks and applications in CO2 adsorption","volume":"7","author":"Zulkifli","year":"2022","journal-title":"Chem. Asian J."},{"key":"ref_80","doi-asserted-by":"crossref","first-page":"135090","DOI":"10.1016\/j.scitotenv.2019.135090","article-title":"Production of MOFs for CO2 adsorption: Review","volume":"707","author":"Ghanbari","year":"2020","journal-title":"Sci. Total Environ."},{"key":"ref_81","doi-asserted-by":"crossref","first-page":"2634","DOI":"10.1021\/acsaem.2c03605","article-title":"Zeolites as selective adsorbents for CO2 separation","volume":"6","author":"Boer","year":"2023","journal-title":"ACS Appl. Energy Mater."},{"key":"ref_82","doi-asserted-by":"crossref","first-page":"136521","DOI":"10.1016\/j.fuel.2025.136521","article-title":"Activated carbons for CO2 capture: Review","volume":"405","author":"Sathishkumar","year":"2026","journal-title":"Fuel"},{"key":"ref_83","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1016\/S1872-5805(25)60956-5","article-title":"Bamboo-based activated carbon for CO2 adsorption","volume":"40","author":"Wang","year":"2025","journal-title":"New Carbon Mater."},{"key":"ref_84","doi-asserted-by":"crossref","first-page":"119105","DOI":"10.1016\/j.jece.2025.119105","article-title":"Amine-functionalized porous carriers for CO2 capture","volume":"13","author":"Shen","year":"2025","journal-title":"J. Environ. Chem. Eng."},{"key":"ref_85","doi-asserted-by":"crossref","first-page":"39520","DOI":"10.1021\/acsomega.2c03385","article-title":"Review on CO2 capture using amine-functionalized materials","volume":"7","author":"Hack","year":"2022","journal-title":"ACS Omega"},{"key":"ref_86","first-page":"e202404089","article-title":"Porous organic polymers for CO2 capture and catalytic conversion","volume":"31","author":"Zhong","year":"2025","journal-title":"Chem. Asian J."},{"key":"ref_87","doi-asserted-by":"crossref","first-page":"20251087","DOI":"10.1016\/S1872-5813(25)60604-9","article-title":"Carbon-based materials for CO2 capture and utilization","volume":"54","author":"Fu","year":"2026","journal-title":"J. Fuel Chem. Technol."},{"key":"ref_88","doi-asserted-by":"crossref","first-page":"1012","DOI":"10.1016\/j.psep.2024.03.050","article-title":"CNTs and MXene for CO2 capture: Review","volume":"185","author":"Solangi","year":"2024","journal-title":"Process Saf. Environ. Prot."},{"key":"ref_89","doi-asserted-by":"crossref","first-page":"3699","DOI":"10.1007\/s13369-025-09966-2","article-title":"Graphene-based materials for CO2 adsorption","volume":"50","author":"Lawal","year":"2025","journal-title":"Arab. J. Sci. Eng."},{"key":"ref_90","doi-asserted-by":"crossref","first-page":"8087","DOI":"10.1007\/s13762-022-04680-0","article-title":"Review: CO2 capturing methods of the last two decades","volume":"20","author":"Kammerer","year":"2023","journal-title":"Int. J. Environ. Sci. Technol."},{"key":"ref_91","doi-asserted-by":"crossref","first-page":"130981","DOI":"10.1016\/j.seppur.2024.130981","article-title":"Ionic liquids in CO2 capture and conversion","volume":"360","author":"Xing","year":"2025","journal-title":"Sep. Purif. Technol."},{"key":"ref_92","doi-asserted-by":"crossref","unstructured":"Ren, F., and Liu, W. (2023). CO2 adsorption materials and utilization technology review. Catalysts, 13.","DOI":"10.3390\/catal13081176"},{"key":"ref_93","first-page":"100441","article-title":"Advances in CO2 capture materials: Trends and prospects","volume":"15","author":"Ma","year":"2025","journal-title":"Carbon Capture Sci. Technol."},{"key":"ref_94","doi-asserted-by":"crossref","first-page":"29186","DOI":"10.1021\/acsami.3c04561","article-title":"CO2\u2013H2O adsorption in COF","volume":"15","author":"Veldhuizen","year":"2023","journal-title":"ACS Appl. Mater. Interfaces"},{"key":"ref_95","doi-asserted-by":"crossref","first-page":"4522","DOI":"10.1039\/D5CS01537E","article-title":"COFs for gas storage and separation","volume":"55","author":"Jiang","year":"2026","journal-title":"Chem. Soc. Rev."},{"key":"ref_96","doi-asserted-by":"crossref","unstructured":"Simari, C. (2025). Nanomaterials for direct air capture of CO2: State of the art. Molecules, 30.","DOI":"10.3390\/molecules30143048"}],"container-title":["Nanomaterials"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2079-4991\/16\/12\/777\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T07:08:57Z","timestamp":1782457737000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2079-4991\/16\/12\/777"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,6,19]]},"references-count":96,"journal-issue":{"issue":"12","published-online":{"date-parts":[[2026,6]]}},"alternative-id":["nano16120777"],"URL":"https:\/\/doi.org\/10.3390\/nano16120777","relation":{},"ISSN":["2079-4991"],"issn-type":[{"value":"2079-4991","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,6,19]]}}}