Cucurbit[8]Uril Achieved Single-Molecule Chiral Transfer to Supramolecular Circularly Polarized Luminescence.

Yongxue Li, Jie Wu, Weiheng Zhang, Hengzhi Zhang, Wei-Lei Zhou, Yu Liu

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Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Yongxue LiCollege of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, P. R. China.

Jie WuCollege of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, P. R. China.

Weiheng ZhangCollege of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, P. R. China.

Hengzhi ZhangCollege of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, P. R. China.

Wei-Lei ZhouCollege of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, P. R. China.ORCID https://orcid.org/0009-0002-7867-5721

Yu LiuCollege of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, P. R. China.ORCID https://orcid.org/0000-0001-8723-1896

Funding

Fundamental Research Funds for the Central UniversitiesInner Mongolia Natural Science Excellent Youth Foundation 2025YQ050National Nature Science Foundation of China 22131008National Nature Science Foundation of China 22361036National Nature Science Foundation of China 22571173

6 · The paper itself

Abstract

Herein, cascaded supramolecular assembly was constructed from phenylalanine-modified biphenyl-pyridine derivatives (L/D-FPy), cucurbit[8]uril (CB[8]), and amphipathic sulfonatocalix[4]arene (SC4AD), which not only exhibits cascaded energy transfer and chiral transfer but also achieves amplified circularly polarized luminescence (CPL). The experimental results demonstrate that L/D-FPy and SC4AD directly assemble through electrostatic interactions to form particles, where the luminescence intensity and quantum yield (QY) were significantly enhanced by 140 and 8 times, respectively. The positively charged L/D-FPy and CB[8] combine to form a 1:1 stoichiometric supramolecular assembly. Compared with the L/D-FPy@SC4AD assembly, the system with added SC4AD in the presence of CB[8] exhibited a 2.5‑fold enhancement in luminescence intensity and QY, and also amplification of chirality. Taking advantage of the energy transfer and chiral transfer, L/D-FPy⊂CB[8]@SC4AD co-assembly with the achiral dyes benzothiadiazole (DBT) and Nile red (NR), and the polymer polyvinyl alcohol (PVA), markedly increased the CPL. The luminescence asymmetry factor values for L/D-FPy⊂CB[8]@SC4AD:NR were estimated to be-4.05 × 10

Indexed as

cascaded assemblieschiral transfercircularly polarized luminescencecucurbit[8]uril confinementenergy transfermulticolor luminescencesupramolecular chemistry

Identifiers

PMID42003768

DOI10.1002/advs.75360

PMCPMC13335517

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