{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T17:16:59Z","timestamp":1788628619632,"version":"build-2803163510"},"reference-count":41,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T00:00:00Z","timestamp":1788566400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T00:00:00Z","timestamp":1788566400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["U22A20414"],"award-info":[{"award-number":["U22A20414"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004608","name":"Natural Science Foundation of Jiangsu Province","doi-asserted-by":"publisher","award":["BF2025077"],"award-info":[{"award-number":["BF2025077"]}],"id":[{"id":"10.13039\/501100004608","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Materials"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    The complementary structural tunability of polymers of intrinsic microporosity (PIMs) and metal\u2013organic frameworks (MOFs) redefines the design space for engineering precise transport channels in mixed\u2010matrix membranes (MMMs). Herein, we present that trace\u2010oxygen\u2010mediated thermal reorganization (TOTR) of PIM\u20101 micropores enables MOF\u2010dominated gas transport in MMMs without requiring high filler loading. Spectroscopic analyses and molecular simulations reveal trace\u2010oxygen\u2010mediated radical processes that induce the PIM\u20101 backbone rearrangement, together with triazine crosslinking and partial \u03c0\u2010conjugation extension, resulting in a contracted and homogenized ultramicropore distribution. Meanwhile, the dual\u2010interface design establishes a covalently coupled MOF\u2013polymer interface, where the interfacial carboxylated PIM\u20101 (cPIM\u20101) layer co\u2010reorganizes with the polymer matrix to form an integrated microporous environment with suppressed defects and enhanced mechanical robustness. This coupled pore\u2010and\u2010interface regulation integrates PIM\u20101 ultramicropores and MOF micropores into pore\u2010matched transport channels, enabling effective expression of MOF sieving capability at an ultralow filler loading of 2\u00a0wt.%. The resulting MMMs deliver approximately threefold enhancement in CO\n                    <jats:sub>2<\/jats:sub>\n                    \/CH\n                    <jats:sub>4<\/jats:sub>\n                    and CO\n                    <jats:sub>2<\/jats:sub>\n                    \/N\n                    <jats:sub>2<\/jats:sub>\n                    selectivity compared with PIM\u20101 membranes, while maintaining high CO\n                    <jats:sub>2<\/jats:sub>\n                    permeability and improved resistance to physical aging and plasticization. This study may broaden the design concepts for advanced MMMs toward challenging molecular separations.\n                  <\/jats:p>","DOI":"10.1002\/adma.74936","type":"journal-article","created":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T17:01:26Z","timestamp":1788627686000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Ultramicropore\u2010Matched Molecular Transport in Low\u2010Loading Mixed\u2010Matrix Membranes via Trace\u2010Oxygen\u2010Mediated Thermal Reorganization"],"prefix":"10.1002","author":[{"given":"Lei","family":"Wang","sequence":"first","affiliation":[{"name":"State Key Laboratory of Materials\u2010Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingxian","family":"Hua","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Materials\u2010Oriented Chemical 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Key Laboratory of Materials\u2010Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yawei","family":"Gu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Materials\u2010Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8363-6527","authenticated-orcid":false,"given":"Lixiong","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Materials\u2010Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6268-3180","authenticated-orcid":false,"given":"Weihong","family":"Xing","sequence":"additional","affiliation":[{"name":"State Key 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