{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,3]],"date-time":"2026-11-03T21:08:33Z","timestamp":1793740113883,"version":"4.6.1"},"reference-count":59,"publisher":"Wiley","issue":"23","license":[{"start":{"date-parts":[[2025,4,7]],"date-time":"2025-04-07T00:00:00Z","timestamp":1743984000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22075169"],"award-info":[{"award-number":["22075169"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100008250","name":"Shaanxi University of Science and Technology","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100008250","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2025,6,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Multi\u2010response encryption materials with temperature control and time resolution have attracted widespread attention due to their unique response characteristics and higher application security. The design and development of photochromic crystalline materials with multiple stimulus responses remain challenging. In this study, we report a pair of responsive photochromic chiral ionic hydrogen\u2010bonded organic framework (iHOF) R\/S\u2010iHOF\u201019, controlled by both temperature and solvent through charge\u2010assisted synthesis. The chromophore tetrakis(4\u2010sulfophenyl)ethylene (H4TPE) acts as an electron donor and (1R\/S,2R\/S)\u20101,2\u2010diphenylethylenediamine (R\/S\u2010DPEN) as an electron acceptor and chiral source. Water and methanol molecules connect the donor and acceptor and interact to build a 3D supramolecular framework. Notably, water and methanol molecules form independent hydrogen\u2010bonding channels within the iHOF structural framework, providing a transfer path for the photoinduced electrons. Surprisingly, the formation of a continuous chiral supramolecular framework by R\/S\u2010DPEN while generating photo\u2010induced radicals under ultraviolet (UV) irradiation at \u221220\u00a0\u00b0C imparts excellent circularly polarized luminescence (CPL) properties to R\/S\u2010iHOF\u201019. The glum values reach \u22121.8\u00a0\u00d7\u00a010\n                    <jats:sup>\u22123<\/jats:sup>\n                    and\u00a0+3.75\u00a0\u00d7\u00a010\n                    <jats:sup>\u22123<\/jats:sup>\n                    , respectively, and show an enhancement of the circular polarization of light with decreasing temperature. This CPL with unique low\u2010temperature stimulus\u2010responsive photochromism provides new guidance and perspectives for the development of information security and multiple encryption materials.\n                  <\/jats:p>","DOI":"10.1002\/anie.202504645","type":"journal-article","created":{"date-parts":[[2025,3,28]],"date-time":"2025-03-28T06:17:38Z","timestamp":1743142658000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Temperature and Solvent Dual Switch Photochromic Chiral Ionic Hydrogen\u2010Bonded Organic Framework for Circularly Polarized Luminescence and Advanced Encryption"],"prefix":"10.1002","volume":"64","author":[{"given":"Bin","family":"Zhou","sequence":"first","affiliation":[{"name":"Shaanxi Key Laboratory of Chemical Additives for Industry College of Chemistry and Chemical Engineering Shaanxi University of Science and Technology  Xi'an 710021 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li\u2010Hui","family":"Cao","sequence":"additional","affiliation":[{"name":"Shaanxi Key Laboratory of Chemical Additives for Industry College of Chemistry and Chemical Engineering Shaanxi University of Science and Technology  Xi'an 710021 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ming\u2010Feng","family":"Huang","sequence":"additional","affiliation":[{"name":"Shaanxi Key Laboratory of Chemical Additives for Industry College of Chemistry and Chemical Engineering Shaanxi University of Science and Technology  Xi'an 710021 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Yang","sequence":"additional","affiliation":[{"name":"Shaanxi Key Laboratory of Chemical Additives for Industry College of Chemistry and Chemical Engineering Shaanxi University of Science and Technology  Xi'an 710021 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