{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,10]],"date-time":"2026-08-10T11:33:09Z","timestamp":1786361589877,"version":"build-2736575974"},"reference-count":52,"publisher":"Wiley","issue":"29","license":[{"start":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T00:00:00Z","timestamp":1775088000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T00:00:00Z","timestamp":1775088000000},"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":["22475167"],"award-info":[{"award-number":["22475167"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2026,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Sulfur dioxide (SO\n                    <jats:sub>2<\/jats:sub>\n                    ), a typical industrial byproduct and hazardous pollutant, requires efficient capture for environmental protection and resource recovery. However, existing adsorbents face challenges such as unsatisfactory selectivity and performance degradation at elevated temperatures in complex flue gas environments. This study presents the judicious construction of isostructural metal\u2010organic frameworks (MOFs) (Cu\u2010L, Cu\u2010L\u2010FA, Cu\u2010L\u2010BA) using a pyrazine tetracarboxylate linker and copper ions, with formic\/benzoic acid modulators retained to fine\u2010tune adsorption performance. The resulting MOFs exhibit a rare 4,4\u2010connected\n                    <jats:bold>mfj<\/jats:bold>\n                    topology. These isostructural Cu\u2010L variants demonstrate substantial SO\n                    <jats:sub>2<\/jats:sub>\n                    uptake capacity and performance retention at relatively high temperatures. Notably, the formate\u2010modulated variant (Cu\u2010L\u2010FA) achieves an SO\n                    <jats:sub>2<\/jats:sub>\n                    adsorption capacity of 4.5 mmol\u00b7g\n                    <jats:sup>\u22121<\/jats:sup>\n                    at 298 K and 1\u00a0bar, and retains 97% of its capacity at 313 K, significantly outperforming conventional physisorbents. Mechanistic studies reveal that the adsorption process is governed by reversible coordination to Cu(II) sites and multifaceted interactions with basic pyrazine nitrogen atoms. The incorporation of modulators not only optimizes the trade\u2010off between adsorption and regeneration energy but also triggers SO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010induced dynamic modulator\u2010node interactions, leading to instant high SO\n                    <jats:sub>2<\/jats:sub>\n                    uptake at low pressures and enhanced cooperative adsorption. This work provides a novel strategy for designing SO\n                    <jats:sub>2<\/jats:sub>\n                    adsorbents with salient performance for flue gas desulfurization.\n                  <\/jats:p>","DOI":"10.1002\/smll.202514056","type":"journal-article","created":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T08:54:33Z","timestamp":1775120073000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Modulator\u2010Tuned Cu(II) Metal\u2013Organic Frameworks for Cooperative Sulfur Dioxide Capture"],"prefix":"10.1002","volume":"22","author":[{"given":"Yilu","family":"Sun","sequence":"first","affiliation":[{"name":"Center For Alloy Innovation and Design (CAID) State Key Laboratory For Mechanical Behavior of Materials Xi'an Jiaotong University  Xi'an P. R. 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