Metal clusters with circularly polarized luminescent (CPL) activity have potential applications in security encoding, encrypted transmission, information storage, etc. However, constructing CPL-active metal clusters on a large scale using self-assemblybased synthetic approaches has been challenging. Herein, we present a collaborative strategy to assemble a chiral cyclic hydrogen-bonding (HB) platform (γ-CD) onto a photoluminescent silver cluster to form a supramolecular adduct (Ag₆@γ-CD). The Ag₆@γ-CD fully leverages the advantages of its individual components and exhibits notable CPL activity. Single-crystal X-ray diffraction and systematic photoluminescence investigation reveal that the cyclic HB motif formed between Ag₆ and γ-CD effectively promotes the population of first excited state (S1) and facilitates supramolecular chiral transfer from γ-CD to Ag₆, resulting in the boosted CPL lighting.

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中文翻译：

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促进非手性银簇和手性环糊精的原子级精确超结构的 CPL 和十克级机械化学合成

具有圆偏振发光（CPL）活性的金属簇在安全编码、加密传输、信息存储等方面具有潜在的应用。然而，利用基于自组装的合成方法大规模构建具有CPL活性的金属簇一直具有挑战性。在此，我们提出了一种合作策略，将手性环状氢键（HB）平台（γ-CD）组装到光致发光银簇上，形成超分子加合物（Ag ₆ @γ-CD）。 Ag ₆ @γ-CD充分利用了其各个组分的优势，并表现出显着的CPL活性。单晶X射线衍射和系统光致发光研究表明，Ag _{6和γ-CD之间形成的环状HB基序有效促进第一激发态（S1）的布居，并促进从γ-CD到Ag 6 的}超分子手性转移，从而产生在增强的 CPL 照明中。

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