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Herein, we present a molecular design paradigm that circumvents this limitation by using a nonplanar monomer featuring a sterically congested, double\u2011layer conjugated benzene ring to construct a soluble heat-triggered solubility COF (HTS-COF). This structure substantially enlarges the interlayer spacing and attenuates \u03c0\u2212\u03c0 stacking interactions, thereby conferring reversible heat\u2011triggered solubility without compromising crystallinity or structural integrity. The resultant HTS\u2011COF readily undergoes solution processing into uniform membranes and aerogels. Notably, under dynamic filtration, the HTS\u2011COF membrane achieves expeditious and highly efficient iodine sequestration from both aqueous and organic media, exhibiting outstanding rejection efficiency and cycling stability.<\/jats:p>","DOI":"10.1021\/acsami.6c08677","type":"journal-article","created":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T15:05:46Z","timestamp":1784300746000},"page":"41670-41677","source":"Crossref","is-referenced-by-count":0,"title":["Nonplanar Monomer Strategy for Soluble Covalent Organic Frameworks with Reversible Thermal Behavior"],"prefix":"10.1021","volume":"18","author":[{"given":"Xinyu","family":"Yang","sequence":"first","affiliation":[{"name":"Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education , ,","place":["Chengdu, China, 610041"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yingdi","family":"Zou","sequence":"additional","affiliation":[{"name":"Sichuan University , , ,","place":["Chengdu, China, 610041"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0058-9893","authenticated-orcid":true,"given":"Ningning","family":"He","sequence":"additional","affiliation":[{"name":"Sichuan University , , ,","place":["Chengdu, China, 610041"]},{"name":"West China Hospital, Sichuan University , , ,","place":["Chengdu, China, 610041"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,7,17]]},"reference":[{"issue":"16","key":"2026080518100345000_cit1","doi-asserted-by":"publisher","first-page":"4375","DOI":"10.1039\/C9CS00258H","article-title":"Processing of covalent organic frameworks: an ingredient for a material to succeed","volume":"48","author":"Rodr\u00edguez-San-Miguel","year":"2019","journal-title":"Chem. 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