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  1. Barrio JD, Liu J, Brady RA, Tan CSY, Chiodini S, Ricci M, et al.
    J Am Chem Soc, 2019 09 11;141(36):14021-14025.
    PMID: 31422657 DOI: 10.1021/jacs.9b07506
    The binding of imidazolium salts to cucurbit[8]uril, CB[8], triggers a stepwise self-assembly process with semiflexible polymer chains and crystalline nanostructures as early- and late-stage species, respectively. In such a process, which involves the crystallization of the host-guest complexes, the guest plays a critical role in directing self-assembly toward desirable morphologies. These include platelet-like aggregates and two-dimensional (2D) fibers, which, moreover, exhibit viscoelastic and lyotropic properties. Our observations provide a deeper understanding of the self-assembly of CB[8] complexes, with fundamental implications in the design of functional 2D systems and crystalline materials.
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