{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T20:41:00Z","timestamp":1791837660995,"version":"4.3.4"},"reference-count":60,"publisher":"Wiley","issue":"33","license":[{"start":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T00:00:00Z","timestamp":1777334400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T00:00:00Z","timestamp":1777334400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100012542","name":"Sichuan Provincial Science and Technology Support Program","doi-asserted-by":"publisher","award":["2025YFHZ0126"],"award-info":[{"award-number":["2025YFHZ0126"]}],"id":[{"id":"10.13039\/100012542","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Ultramicroporous MOFs capable of simultaneously separating C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>6<\/jats:sub>\n                    \/C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>4<\/jats:sub>\n                    and C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>2<\/jats:sub>\n                    \/CO\n                    <jats:sub>2<\/jats:sub>\n                    mixtures remain rare due to the stringent requirements on pore confinement and adsorption\u2010site distribution. Here, we report a dual\u2010ligand engineered porphyrin\u2010based framework, Zn\u2010TCPP\u2010mtz, constructed from Zn\n                    <jats:sup>2+<\/jats:sup>\n                    nodes, tetrakis(4\u2010carboxyphenyl)porphyrin (TCPP), and 5\u2010methyl\u20101H\u2010tetrazole (mtz). The incorporated mtz ligands bridge adjacent porphyrin layers and, together with interlayer hydrogen\u2010bonding interactions, result in a compact stacking arrangement featuring 1D ultramicropores (7.2\u00a0\u00d7\u00a04.8\u00a0\u00c5\n                    <jats:sup>2<\/jats:sup>\n                    ) decorated with N\/O functional sites and hydrophobic methyl groups. This tailored pore environment enables Zn\u2010TCPP\u2010mtz to adsorb 2.63 and 2.56\u00a0mmol g\n                    <jats:sup>\u22121<\/jats:sup>\n                    of C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>6<\/jats:sub>\n                    and C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>4<\/jats:sub>\n                    , respectively, as well as 3.14 and 1.89\u00a0mmol g\n                    <jats:sup>\u22121<\/jats:sup>\n                    of C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>2<\/jats:sub>\n                    and CO\n                    <jats:sub>2<\/jats:sub>\n                    at 298 K and 1\u00a0bar, achieving selectivities of 1.5 for C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>6<\/jats:sub>\n                    \/C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>4<\/jats:sub>\n                    and 3.1 for C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>2<\/jats:sub>\n                    \/CO\n                    <jats:sub>2<\/jats:sub>\n                    . Dynamic breakthrough experiments confirm one\u2010step production of high\u2010purity C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>4<\/jats:sub>\n                    (&gt;99.9%) and C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>2<\/jats:sub>\n                    (&gt;99.5%) with productivities of 3.0 and 16.3 L kg\n                    <jats:sup>\u22121<\/jats:sup>\n                    , respectively. DFT calculations reveal that the ultramicroporous channels provide well\u2010defined interaction sites that stabilize C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>6<\/jats:sub>\n                    over C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>4<\/jats:sub>\n                    and C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>2<\/jats:sub>\n                    over CO\n                    <jats:sub>2<\/jats:sub>\n                    through multiple dispersion\u2010dominated contacts. This study demonstrates that the dual\u2010ligand strategy can be extended to construct porphyrin\u2010based frameworks with controlled pore architectures and stable adsorption environments, enabling the integration of multiple C\n                    <jats:sub>2<\/jats:sub>\n                    gas separations within a single material platform.\n                  <\/jats:p>","DOI":"10.1002\/smll.73567","type":"journal-article","created":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T08:36:36Z","timestamp":1777365396000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Dual\u2010Ligand\u2010Engineered Ultramicroporous Porphyrinic MOF for Efficient C\n                    <sub>2<\/sub>\n                    H\n                    <sub>6<\/sub>\n                    \/C\n                    <sub>2<\/sub>\n                    H\n                    <sub>4<\/sub>\n                    and C\n                    <sub>2<\/sub>\n                    H\n                    <sub>2<\/sub>\n                    \/CO\n                    <sub>2<\/sub>\n                    Separations"],"prefix":"10.1002","volume":"22","author":[{"given":"Zhenliang","family":"Zhu","sequence":"first","affiliation":[{"name":"Low\u2010carbon Technology &amp; Chemical Reaction Engineering Lab School of Chemical Engineering Sichuan University  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianfei","family":"Xiao","sequence":"additional","affiliation":[{"name":"Research Division for Wastewater Pollution and Carbon Reduction Sichuan Energy Internet Research Institute Tsinghua University  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruiyao","family":"Li","sequence":"additional","affiliation":[{"name":"Low\u2010carbon Technology &amp; Chemical Reaction Engineering Lab School of Chemical Engineering Sichuan University  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yaoqi","family":"Huang","sequence":"additional","affiliation":[{"name":"Low\u2010carbon Technology &amp; Chemical Reaction Engineering Lab School of Chemical Engineering Sichuan University  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3580-7977","authenticated-orcid":false,"given":"Shaojun","family":"Yuan","sequence":"additional","affiliation":[{"name":"Low\u2010carbon Technology &amp; Chemical Reaction Engineering Lab School of Chemical Engineering Sichuan University  Chengdu 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