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250811s2025 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202511316
|2 doi
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|a pubmed25n1527.xml
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|a (DE-627)NLM390944157
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|a (NLM)40785436
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Li, Qihuan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Symmetry-Breaking Directed Assembly in Achiral Point Groups for Circularly Polarized Room-Temperature Phosphorescence
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|c 2025
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 11.08.2025
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2025 Wiley‐VCH GmbH.
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|a Very recently, considerable attention has been given to pure organic circularly polarized room-temperature phosphorescent (CP-RTP) materials due to their unique photophysical properties. However, the directed construction of optically active phosphorescent signals within achiral systems remains a formidable challenge. In this study, two achiral crystals, 2CN4S and 2F4S, belonging to the achiral point groups 2/m and 1 ¯ $\bar{1}$ , exhibit strong CP-RTP emission with high photoluminescence dissymmetry factors (glum) up to 5.5 × 10-2 (543 nm) and 4.3 × 10-2 (550 nm), respectively. This phenomenon is attributed to the intrinsic mirror-antiparallel molecular conformations induced by the targeted substitution of cyano/fluoro groups, which spontaneously assemble into symmetry-breaking helical superstructures through synergistic C─H···N hydrogen bonding and π-π interactions. This work not only establishes a novel approach for CP-RTP material design but also overcomes structural constraints in optically active materials within achiral point group systems
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|a Journal Article
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|a chiral assembly
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4 |
|a circularly polarized room‐temperature phosphorescence
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|a optically active materials
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|a supramolecular nanomaterials
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|a symmetry breaking
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1 |
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|a Song, Yizhou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Jiaqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Junsheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zou, Guo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cheng, Yixiang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2025) vom: 11. Aug., Seite e11316
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g year:2025
|g day:11
|g month:08
|g pages:e11316
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|u http://dx.doi.org/10.1002/adma.202511316
|3 Volltext
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