{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T19:52:21Z","timestamp":1791921141758,"version":"4.3.4"},"reference-count":54,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2025,1,9]],"date-time":"2025-01-09T00:00:00Z","timestamp":1736380800000},"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":["22122106"],"award-info":[{"award-number":["22122106"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22071158"],"award-info":[{"award-number":["22071158"]}],"id":[{"id":"10.13039\/501100001809","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":[[2025,3,17]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Enhancing the conversion efficiency of all\u2010solid\u2010state lasers through the rational design of crystal materials with superior linear and nonlinear optical (NLO) properties remains a formidable challenge. Herein, we present a novel approach to optimizing these properties in KBe\n                    <jats:sub>2<\/jats:sub>\n                    BO\n                    <jats:sub>3<\/jats:sub>\n                    F\n                    <jats:sub>2<\/jats:sub>\n                    (KBBF)\u2010analog crystals via functional group self\u2010polymerization. This strategy led to the synthesis of two new optical crystals: noncentrosymmetric CsAs\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    Br and centrosymmetric CsAs\n                    <jats:sub>4<\/jats:sub>\n                    O\n                    <jats:sub>6<\/jats:sub>\n                    Br. By incorporating highly optically active [AsO\n                    <jats:sub>3<\/jats:sub>\n                    ]\n                    <jats:sup>3\u2212<\/jats:sup>\n                    units into the classical 2D [Be\n                    <jats:sub>2<\/jats:sub>\n                    BO\n                    <jats:sub>3<\/jats:sub>\n                    F]\n                    <jats:sub>\u221e<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    framework, we facilitated the self\u2010assembly of [As\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    ]\n                    <jats:sub>\u221e<\/jats:sub>\n                    layers, forming a densely packed and highly ordered structure that enhances macroscopic optical activity. CsAs\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    Br exhibited an extraordinary second\u2010harmonic generation (SHG) response, 20.5 times stronger than KH\n                    <jats:sub>2<\/jats:sub>\n                    PO\n                    <jats:sub>4<\/jats:sub>\n                    (KDP), while CsAs\n                    <jats:sub>4<\/jats:sub>\n                    O\n                    <jats:sub>6<\/jats:sub>\n                    Br demonstrated exceptional birefringence (0.26 at 546\u2005nm), setting new performance benchmarks among KBBF analogs. Theoretical analyses reveal that these superior properties arise from the efficient alignment and high density of self\u2010polymerized functional units. This work represents a significant advancement in the design of high\u2010performance UV NLO materials, particularly for fourth\u2010harmonic generation, and paves the way for future innovations in photonic technologies, including solar\u2010blind UV laser systems and advanced photonic devices.\n                  <\/jats:p>","DOI":"10.1002\/anie.202422818","type":"journal-article","created":{"date-parts":[[2024,12,23]],"date-time":"2024-12-23T10:41:19Z","timestamp":1734950479000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":48,"title":["Breaking Performance Barriers in KBe\n                    <sub>2<\/sub>\n                    BO\n                    <sub>3<\/sub>\n                    F\n                    <sub>2<\/sub>\n                    (KBBF) Analogs by Functional Group Self\u2010Polymerization"],"prefix":"10.1002","volume":"64","author":[{"given":"Wei","family":"Zeng","sequence":"first","affiliation":[{"name":"College of Chemistry Sichuan University  Chengdu 610065 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yao","family":"Tian","sequence":"additional","affiliation":[{"name":"College of Chemistry Sichuan University  Chengdu 610065 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongmei","family":"Zeng","sequence":"additional","affiliation":[{"name":"College of Chemistry Sichuan University  Chengdu 610065 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhien","family":"Lin","sequence":"additional","affiliation":[{"name":"College of Chemistry Sichuan University  Chengdu 610065 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4527-0058","authenticated-orcid":false,"given":"Guohong","family":"Zou","sequence":"additional","affiliation":[{"name":"College of Chemistry Sichuan University  Chengdu 610065 P. R. 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