ArticleChirality2026
Beyond the Solid Solution: Ordered Enantiomerically Unbalanced Packing in Surface-Confined Tetrahelicene Monolayers.
Article in Chirality, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
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6 authors.
Funding
Abstract
The two-dimensional crystallization and on-surface chemistry of chiral polycyclic aromatic hydrocarbons provide access to surface-confined symmetry breaking and novel covalently bonded nanostructures. Here, we investigate the self-assembly of racemic 2,3-dicarbonitrile tetrahelicene on Ag(111). Using low-temperature scanning tunneling microscopy in combination with density functional theory calculations, we resolve the evolution of molecular organization as a function of coverage. After room-temperature deposition at submonolayer coverage, the tetrahelicene moiety spontaneously resolves into extended homochiral Kagomé domains upon cooling. The resulting monolayer consists of hexameric dimer motifs arranged in a porous network. These mirror-related supramolecular enantiomorphs are characteristic of two-dimensional conglomerate crystallization. As the surface coverage increases, the system undergoes a transition toward denser packing. At saturation, compact domains form that retains long-range lattice order while exhibiting a regular yet enantiomerically unbalanced distribution of both handednesses. The nonrandom incorporation of enantiomers distinguishes this phase from a racemic solid solution and instead indicates a compositionally biased, structurally ordered mixed phase.
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