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Chiral recognition via symmetry-dependent luminescence in zero-dimensional hybrid copper halides

Author

Listed:
  • Yi Wei

    (Southern University of Science and Technology (SUSTech))

  • Yan Zhang

    (Southern University of Science and Technology (SUSTech))

  • Yawen Li

    (Liaoning Academy of Materials)

  • Chen Li

    (Southern University of Science and Technology (SUSTech))

  • Yuxuan Wang

    (Southern University of Science and Technology (SUSTech))

  • Zhishan Luo

    (Southern University of Science and Technology (SUSTech))

  • Yulian Liu

    (Southern University of Science and Technology (SUSTech))

  • Huimin Kang

    (Southern University of Science and Technology (SUSTech))

  • Xihan Chen

    (Southern University of Science and Technology)

  • Zewei Quan

    (Southern University of Science and Technology (SUSTech))

Abstract

Chiral recognition through fluorescence changes enables the rapid and sensitive determination of enantiomers. However, the rational design and synthesis of fluorescent probes for efficient chiral recognition remain a challenge. Here we present a novel platform for chiral recognition based on zero-dimensional hybrid copper halides with unique symmetry-dependent properties. The use of mesomeric 1,2-diaminocyclohexane (DACH) ligands promotes the formation of centrosymmetric, non-luminescent Cu2I64− units. The incorporation of enantiopure S- or R-DACH ligands into these mesomeric compounds breaks their symmetry, spontaneously transforming them into chiral compounds and generating Cu4I62− units that exhibit intense circularly polarized luminescence. Additionally, introducing opposite chiral ligands into these chiral compounds leads to the formation of racemic, non-luminescent CuI32− units, whereas the addition of same-chirality ligands preserves the structure and optical properties of the chiral Cu4I62− units. This enantioselective response by utilizing symmetry-dependent optical properties offers a pathway toward advanced chiral sensing technologies.

Suggested Citation

  • Yi Wei & Yan Zhang & Yawen Li & Chen Li & Yuxuan Wang & Zhishan Luo & Yulian Liu & Huimin Kang & Xihan Chen & Zewei Quan, 2025. "Chiral recognition via symmetry-dependent luminescence in zero-dimensional hybrid copper halides," Nature Communications, Nature, vol. 16(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-63835-y
    DOI: 10.1038/s41467-025-63835-y
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    References listed on IDEAS

    as
    1. Ming Hu & Ying-Xue Yuan & Weizhou Wang & Dong-Mi Li & Hong-Chao Zhang & Bai-Xing Wu & Minghua Liu & Yan-Song Zheng, 2020. "Chiral recognition and enantiomer excess determination based on emission wavelength change of AIEgen rotor," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    2. Yoon Ho Lee & Yousang Won & Jungho Mun & Sanghyuk Lee & Yeseul Kim & Bongjun Yeom & Letian Dou & Junsuk Rho & Joon Hak Oh, 2023. "Hierarchically manufactured chiral plasmonic nanostructures with gigantic chirality for polarized emission and information encryption," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    3. Yasutaka Nagaoka & Rui Tan & Ruipeng Li & Hua Zhu & Dennis Eggert & Yimin A. Wu & Yuzi Liu & Zhongwu Wang & Ou Chen, 2018. "Superstructures generated from truncated tetrahedral quantum dots," Nature, Nature, vol. 561(7723), pages 378-382, September.
    4. Ming Hu & Ying-Xue Yuan & Weizhou Wang & Dong-Mi Li & Hong-Chao Zhang & Bai-Xing Wu & Minghua Liu & Yan-Song Zheng, 2020. "Author Correction: Chiral recognition and enantiomer excess determination based on emission wavelength change of AIEgen rotor," Nature Communications, Nature, vol. 11(1), pages 1-1, December.
    5. Xiaoyu Chen & Renlong Zhu & Baicheng Zhang & Xiaolong Zhang & Aoyuan Cheng & Hongping Liu & Ruiying Gao & Xuepeng Zhang & Biao Chen & Shuji Ye & Jun Jiang & Guoqing Zhang, 2024. "Rapid room-temperature phosphorescence chiral recognition of natural amino acids," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
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