{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T23:47:46Z","timestamp":1790812066741,"version":"4.1.0"},"reference-count":54,"publisher":"Wiley","issue":"47","license":[{"start":{"date-parts":[[2025,9,23]],"date-time":"2025-09-23T00:00:00Z","timestamp":1758585600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,9,23]],"date-time":"2025-09-23T00:00:00Z","timestamp":1758585600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2025,11,17]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Luminescent metal\u2013organic frameworks (LMOFs) provide exceptional advantages over conventional materials in detecting harmful gases. However, challenges remain, such as limited stability, unclear fluorescence signal changes and insufficient mechanistic understanding. In this study, we developed two types of lanthanide metal\u2013organic frameworks (Ln\u2010MOFs) exhibiting rapid (&lt;5\u00a0s) and reversible fluorescence \u201cturn\u2010on\u201d responses to vapor exposure. Specifically, Ln\u2010TCPE demonstrates a swift response to HCl vapor via a unique dual\u2010channel mechanism: highly dipolar HCl molecules stabilize the conformation of tetraphenylethylene ligands through weak intermolecular interactions, causing a 780% increase in fluorescence intensity. Simultaneously, HCl coordination with Ln\n                    <jats:sup>3+<\/jats:sup>\n                    triggers a pronounced 45\u00a0nm redshift in fluorescence by altering the MOFs' overall energy and electron transfer dynamics. The combination of these two signals greatly amplifies the fluorescence transition. Outstanding stability allows the sample's initial fluorescence to be fully restored through simple thermal desorption, enabling recyclability. With fewer open metal sites, Ln\u2010ETTB achieves fluorescence \u201cturn\u2010on\u201d detection of NH\n                    <jats:sub>3<\/jats:sub>\n                    vapor solely via benzene ring locking, and it can likewise be recycled. This study presents the first report of such dual\u2010channel gas\u2010responsive LMOFs. We thoroughly elucidated the underlying mechanisms through experimental work and DFT calculations, paving the way for new advancements in LMOFs\u2010based gas sensing.\n                  <\/jats:p>","DOI":"10.1002\/anie.202518302","type":"journal-article","created":{"date-parts":[[2025,9,24]],"date-time":"2025-09-24T05:55:53Z","timestamp":1758693353000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Dual\u2010Channel Gas\u2010Sensitive Fluorescent Switch: Realizing a Reversible Fluorescent Response to HCl and NH\n                    <sub>3<\/sub>"],"prefix":"10.1002","volume":"64","author":[{"given":"Shuyu","family":"Wang","sequence":"first","affiliation":[{"name":"Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education and Yunnan Province School of Chemical Science and Technology Yunnan University  Kunming 650500 P.R. 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