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We recently demonstrated that the molecules with a large structural difference between the theoretically optimized structures in the ground and excited states have a potential to exhibit stimuli\u2010responsive luminescent properties. We defined these molecules as an excitation\u2010driven molecule and have shown that they are a versatile platform for designing stimuli\u2010responsive luminescent molecules. Herein, based on the concept of excitation\u2010driven molecules, we show that the hypervalent tin\u2010fused azomethine (TAm) compounds possessing aggregation\u2010induced emission (AIE) properties can be obtained by simple chemical modification with a methyl group although conventional TAm derivatives are well known to be highly luminescent compounds in solution. Furthermore, by combining the solid\u2010state luminescence property of AIE and the coordination number shifts of the hypervalent tin atom, the thermoresponsive films operating below the freezing point are fabricated with the polymer. In this study, we apply the concept of excitation\u2010driven molecules to the hypervalent compounds and demonstrate to obtain the novel functional materials.<\/jats:p>","DOI":"10.1002\/asia.202401094","type":"journal-article","created":{"date-parts":[[2024,9,20]],"date-time":"2024-09-20T02:24:28Z","timestamp":1726799068000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Creation of Excitation\u2010Driven Hypervalent Tin(IV) Compounds For Aggregation\u2010Induced Emission and Application to Thermoresponsive Luminescent Films Below Freezing Point"],"prefix":"10.1002","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5540-5908","authenticated-orcid":false,"given":"Masayuki","family":"Gon","sequence":"first","affiliation":[{"name":"Department of Polymer Chemistry Graduate School of Engineering Kyoto University, Nishikyo-ku, Katsura  Kyoto 615-8510 Japan"},{"name":"Department of Technology and Ecology Graduate School of Global Environmental Studies Kyoto University  Katsura, Nishikyo-ku, Kyoto 615-8510 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keisuke","family":"Shibahara","sequence":"additional","affiliation":[{"name":"Department of Polymer Chemistry Graduate School of Engineering Kyoto University, Nishikyo-ku, Katsura  Kyoto 615-8510 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1650-4612","authenticated-orcid":false,"given":"Kazuya","family":"Tanimura","sequence":"additional","affiliation":[{"name":"Department of Polymer Chemistry Graduate School of Engineering Kyoto University, Nishikyo-ku, Katsura  Kyoto 615-8510 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6571-7086","authenticated-orcid":false,"given":"Kazuo","family":"Tanaka","sequence":"additional","affiliation":[{"name":"Department of Polymer Chemistry Graduate School of Engineering Kyoto University, Nishikyo-ku, Katsura  Kyoto 615-8510 Japan"},{"name":"Department of Technology and Ecology Graduate School of Global Environmental Studies Kyoto University  Katsura, Nishikyo-ku, Kyoto 615-8510 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,10,31]]},"reference":[{"key":"e_1_2_7_1_1","doi-asserted-by":"publisher","DOI":"10.1039\/C6PY01585A"},{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.heliyon.2024.e34026"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/cplu.201900365"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1021\/cr0501339"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2022.214779"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/tcr.202000156"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.201203703"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201803013"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1039\/C7TC02682J"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.201402946"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1039\/C6TC01819J"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.201702309"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.3390\/cryst10070615"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1039\/D1DT03652A"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.3390\/inorganics7080100"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1039\/C7QM00350A"},{"key":"e_1_2_7_17_1","doi-asserted-by":"crossref","unstructured":"J. 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