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CPL activity typically requires compounds that crystallize in noncentrosymmetric chiral space groups. Achieving noncentrosymmetric crystal structures using achiral molecular architectures is highly appealing but remains a significant challenge. Herein, we present a strategy for designing and synthesizing high\u2010performance CPL materials via crystallization\u2010driven self\u2010assembly using achiral architectures. We successfully obtained Mn<jats:sup>2+<\/jats:sup>\u2010based halide enantiomeric hybrids (<jats:italic>P<\/jats:italic>\u2010<jats:bold>1<\/jats:bold> and <jats:italic>M<\/jats:italic>\u2010<jats:bold>1<\/jats:bold>), self\u2010assembled from [MnBr<jats:sub>4<\/jats:sub>]<jats:sup>2\u2212<\/jats:sup> anions and rotational symmetric [Pr\u2010dabco]<jats:sup>2+<\/jats:sup> cations (Pr\u2010dabco<jats:sup>2+<\/jats:sup> = 1\u2010propyl\u20101,4\u2010diazabicyclo\u2010[2.2.2]octan\u20101\u2010ium), crystallizing in the chiral space group <jats:italic>P<\/jats:italic>2<jats:sub>1<\/jats:sub>2<jats:sub>1<\/jats:sub>2<jats:sub>1<\/jats:sub>. The single crystals of <jats:bold>1<\/jats:bold> exhibit exceptionally high CPL performance, with a luminescence dissymmetry factor |<jats:italic>g<\/jats:italic><jats:sub>lum<\/jats:sub>| and photoluminescence quantum yield (PLQY) up to 4.8\u00a0\u00d7\u00a010<jats:sup>\u22122<\/jats:sup> and 86.8%, respectively, thus a record\u2010high figure of merit (FM) of 4.2\u00a0\u00d7\u00a010<jats:sup>\u22122<\/jats:sup> among reported Mn<jats:sup>2+<\/jats:sup>\u2010based CPL materials. Furthermore, <jats:italic>P<\/jats:italic>\/<jats:italic>M<\/jats:italic>\u2010<jats:bold>1<\/jats:bold> based UV\u2010LED devices demonstrated outstanding light\u2010emitting performance, including high color\u2010purity, excellent stability, remarkable luminous brightness (74\u00a0591.94\u00a0cd m<jats:sup>\u22122<\/jats:sup>), and a high electroluminescence dissymmetry factor (<jats:italic>g<\/jats:italic><jats:sub>lum<\/jats:sub>) value of 3.2\u00a0\u00d7\u00a010<jats:sup>\u22122<\/jats:sup>. This study offers a robust strategy for the design and development of high\u2010performance CPL materials utilizing achiral molecular architectures.<\/jats:p>","DOI":"10.1002\/anie.202425543","type":"journal-article","created":{"date-parts":[[2025,3,19]],"date-time":"2025-03-19T05:00:41Z","timestamp":1742360441000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Efficient Circularly Polarized Luminescence from Mn\u2013Br Hybrid Perovskite Assembled by Achiral Architectures"],"prefix":"10.1002","volume":"64","author":[{"given":"Lu","family":"Zhai","sequence":"first","affiliation":[{"name":"State Key Laboratory of Materials\u2010Oriented Chemical Engineering and College of Chemistry and Molecular Engineering Nanjing Tech University  Puzhu South Road 30 Nanjing 211816 P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiayi","family":"Yuan","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Materials\u2010Oriented Chemical Engineering and College of Chemistry and Molecular Engineering Nanjing Tech University  Puzhu South Road 30 Nanjing 211816 P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianyi","family":"Huang","sequence":"additional","affiliation":[{"name":"Institute of Functional Nano &amp; Soft Materials (FUNSOM) Joint International Research Laboratory of Carbon\u2010Based Functional Materials and Devices Soochow University  Suzhou 215123 P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xue\u2010Wei","family":"Pan","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Materials\u2010Oriented Chemical Engineering and College of Chemistry and Molecular Engineering Nanjing Tech University  Puzhu South Road 30 Nanjing 211816 P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li","family":"Wan","sequence":"additional","affiliation":[{"name":"Max Planck Institute of Microstructure Physics  06120 Halle Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weihua","family":"Ning","sequence":"additional","affiliation":[{"name":"Institute of Functional Nano &amp; Soft Materials (FUNSOM) Joint International Research Laboratory of Carbon\u2010Based Functional Materials and Devices Soochow University  Suzhou 215123 P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao\u2010Ming","family":"Ren","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Materials\u2010Oriented Chemical Engineering and College of Chemistry and Molecular Engineering Nanjing Tech University  Puzhu South Road 30 Nanjing 211816 P.R. 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