Chong-An Chen, Yang Li, Hongbo Huang, Congcong Jin, Bingbing Zhang, Kang Min Ok
{"title":"Inside Front Cover: Giant Birefringence Enabled by the Highly Anisotropic Linear IX2- (X=Cl, Br) Building Blocks (Angew. Chem. 27/2025)","authors":"Chong-An Chen, Yang Li, Hongbo Huang, Congcong Jin, Bingbing Zhang, Kang Min Ok","doi":"10.1002/ange.202509837","DOIUrl":null,"url":null,"abstract":"<p>In their Research Article (e202506625), Chong-An Chen, Bingbing Zhang, Kang Min Ok, and co-workers report novel birefringent crystals featuring linear interhalogen birefringence-active groups, IX<sub>2</sub>⁻ (X=Cl, Br). The compounds, [H-4AP][Icl<sub>2</sub>], [HDMA]<sub>2</sub>[ICl<sub>2</sub>]·Cl, [H-4AP][IBr<sub>2</sub>], and [HDMA]<sub>2</sub>[IBr<sub>2</sub>]·Br, exhibit giant birefringence in both the visible and near-infrared regions, while achieving an optimal balance between large birefringence and moderate bandgap.\n\n <figure>\n <div><picture>\n <source></source></picture><p></p>\n </div>\n </figure></p>","PeriodicalId":7803,"journal":{"name":"Angewandte Chemie","volume":"137 27","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ange.202509837","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Angewandte Chemie","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/ange.202509837","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In their Research Article (e202506625), Chong-An Chen, Bingbing Zhang, Kang Min Ok, and co-workers report novel birefringent crystals featuring linear interhalogen birefringence-active groups, IX2⁻ (X=Cl, Br). The compounds, [H-4AP][Icl2], [HDMA]2[ICl2]·Cl, [H-4AP][IBr2], and [HDMA]2[IBr2]·Br, exhibit giant birefringence in both the visible and near-infrared regions, while achieving an optimal balance between large birefringence and moderate bandgap.
在他们的研究论文（e202506625）中，陈重安，张bingbing， Ok Kang Min和同事报告了一种新的双折射晶体，它具有线性卤素间双折射活性基团IX2⁻（X=Cl, Br）。化合物[H-4AP][Icl2]， [HDMA]2[Icl2]·Cl， [H-4AP][IBr2]和[HDMA]2[IBr2]·Br在可见光和近红外区域均表现出巨大的双折射，同时在大双折射和中等带隙之间实现了最佳平衡。
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