{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T16:48:35Z","timestamp":1791650915699,"version":"4.3.4"},"reference-count":49,"publisher":"Wiley","issue":"42","license":[{"start":{"date-parts":[[2026,8,22]],"date-time":"2026-08-22T00:00:00Z","timestamp":1787356800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,8,22]],"date-time":"2026-08-22T00:00:00Z","timestamp":1787356800000},"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":[[2026,10,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Stimuli\u2010responsive luminescent polymers translate changes in molecular mobility or transformation into optical outputs; however, most systems rely on synthetically elaborate architectures that hinder broad implementation. Here, a very simple polyester, synthesized via ring\u2010opening alternating copolymerization (ROAC) of phthalic anhydride (PA) and heteroatom\u2010containing ethyl glycidyl ether (EGE), displays reversible thermofluorochromism from cyan to green across the temperature range of 113\u2013333\u00a0K. Through systematic variation of the polymer structure combined with temperature\u2010dependent photoluminescence and dynamic mechanical analysis, we identify a chain\u2010motion\u2010regulated through\u2010space electronic interaction (TSEI) mechanism in which the ether side chain contributes to TSEI formation and modulates the emission through \u03b2\u2010relaxation, enabling the observed spectral transformation. Additionally, the presence of a TSEI between the carbonyl and phthalate groups enables persistent cryogenic phosphorescence in PA\u2010containing polyesters. These findings not only highlight the potential of thermally responsive luminescent polyesters but also establish a versatile platform for the rational design of phosphorescent and thermo\u2010responsive nonconventional luminescent materials (NLMs).<\/jats:p>","DOI":"10.1002\/anie.6980840","type":"journal-article","created":{"date-parts":[[2026,8,22]],"date-time":"2026-08-22T09:26:25Z","timestamp":1787390785000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Luminescence Control in Polyesters via Chain\u2010Motion\u2010Regulated Through\u2010Space Electronic Interaction"],"prefix":"10.1002","volume":"65","author":[{"given":"Tianle","family":"Gao","sequence":"first","affiliation":[{"name":"Faculty of Engineering Hokkaido University  Sapporo Hokkaido 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