ArticleNature communications2022
Assembly of planar chiral superlattices from achiral building blocks.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Elucidating the Multifaceted Influence Pathway of Spin Regulation on Carrier Dynamics and OSmall (Weinheim an der Bergstrasse, Germany) · 2026Article
- Spherical Nucleic Acids: Turning Synthetic Advances and Fundamental Discovery into Translational Breakthroughs in Chemistry, Materials Development, Biology, and Medicine.Accounts of chemical research · 2026Article
- Precision mapping of equilibrium disclination strain in pentagonally twinned nanostructures.Science advances · 2025Article
- Concavity-enhanced chiral self-assembly of anisotropic nanoparticles toward strong chiroptical activity.Nature communications · 2025Article
- Superstructural phase transitions in polymer-grafted nanooctahedra.Science advances · 2025Article
- Octo-diamond crystal of nanoscale tetrahedra with interchanging chiral motifs.Nature materials · 2025Article
- Self-assembly of chiroptical ionic co-crystals from silver nanoclusters and organic macrocycles.Nature chemistry · 2025Article
- Preserving surface strain in nanocatalysts via morphology control.Science advances · 2024Article
- Coassembly of Complementary Polyhedral Metal-Organic Framework Particles into Binary Ordered Superstructures.Journal of the American Chemical Society · 2024Article
- DNA-mediated assembly of Au bipyramids into anisotropic light emitting kagome superlattices.Science advances · 2024Article
- Rapid formation of gold core-satellite nanostructures using Turkevich-synthesized satellites and dithiol linkers: the do's and don'ts for successful assembly.Nanoscale advances · 2024Article
- Janus particles with tunable patch symmetry and their assembly into chiral colloidal clusters.Nature communications · 2023Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
The spontaneous assembly of chiral structures from building blocks that lack chirality is fundamentally important for colloidal chemistry and has implications for the formation of advanced optical materials. Here, we find that purified achiral gold tetrahedron-shaped nanoparticles assemble into two-dimensional superlattices that exhibit planar chirality under a balance of repulsive electrostatic and attractive van der Waals and depletion forces. A model accounting for these interactions shows that the growth of planar structures is kinetically preferred over similar three-dimensional products, explaining their selective formation. Exploration and mapping of different packing symmetries demonstrates that the hexagonal chiral phase forms exclusively because of geometric constraints imposed by the presence of constituent tetrahedra with sharp tips. A formation mechanism is proposed in which the chiral phase nucleates from within a related 2D achiral phase by clockwise or counterclockwise rotation of tetrahedra about their central axis. These results lay the scientific foundation for the high-throughput assembly of planar chiral metamaterials.
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Registered trials
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