Multilevel chirality transfer and second harmonic generation in mesoscopic double helical supramolecular self-assemblies of fullerene enantiomers.

ABSTRACT: Inducing chirality in the highly symmetric fullerene C₆₀ is an effective approach that leads to chiroptical responses over a wide range. However, the optically active expression of C₆₀ is a challenging research topic and multiscale modulation of fullerene chirality is still in its infancy. Herein, we synthesized a pair of fulleropyrrolidine enantiomers named R/S-MBA-C₆₀ with a monoclinic P2₁ chiral space group in the solid-state. Rare mesoscopic double helical supramolecular self-assemblies with distinctly opposite chirality have been obtained. Substantial π-π stacking and non-covalent interactions realize the chirality transfer and amplification across different scales, from the chiral carbon atom to the mesoscopic helix. Such fullerene-b

SUBMITTER: Li J 

PROVIDER: S-EPMC12465236 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature