ArticleProceedings of the National Academy of Sciences of the United States of America2016
Geometry induced sequence of nanoscale Frank-Kasper and quasicrystal mesophases in giant surfactants.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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31 citing papers in PubMed.
- On and Off Deformability of Supramolecular Micelles in the Soft Frank-Kasper σ Phase.The journal of physical chemistry letters · 2026Article
- Lithium-Charged Gold Nanoparticles: A New Powerful Tool for Lithium Delivery and Modulation of Glycogen Synthase Kinase 3 Activity.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Deactivating Symmetry Breaking of a Soft Frank-Kasper Phase via Water-Induced Conformational Ordering of a Shapeshifting Dendritic Amphiphile.ACS applied materials & interfaces · 2025Article
- Frank-Kasper-like network phase from self-assembly of high-χ star-block copolymers.Science advances · 2024Article
- Fluorescence-readout as a powerful macromolecular characterisation tool.Chemical science · 2023Review
- Design of Linear Block Copolymers andMacromolecules · 2023Article
- Article
- A columnar liquid quasicrystal with a honeycomb structure that consists of triangular, square and trapezoidal cells.Nature chemistry · 2023Article
- Leveraging Macromolecular Isomerism for Phase Complexity in Janus Nanograins.ACS central science · 2023Article
- Dynamics and Equilibration Mechanisms in Block Copolymer Particles.ACS polymers Au · 2022Review
- Expanding quasiperiodicity in soft matter: Supramolecular decagonal quasicrystals by binary giant molecule blends.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Screw dislocation-induced pyramidal crystallization of dendron-like macromolecules featuring asymmetric geometry.Chemical science · 2021Article
- Dodecagonal quasicrystals of oil-swollen ionic surfactant micelles.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Geometrical manipulation of complex supramolecular tessellations by hierarchical assembly of amphiphilic platinum(II) complexes.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Discrete Block Copolymers with Diverse Architectures: Resolving Complex Spherical Phases with One Monomer Resolution.ACS central science · 2020Article
- Complex self-assembled lattices from simple polymer blends.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Symmetry breaking in particle-forming diblock polymer/homopolymer blends.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Identification of a Frank-Kasper Z phase from shape amphiphile self-assembly.Nature chemistry · 2019Article
- Emergent symmetries in block copolymer epitaxy.Nature communications · 2019Article
- Stability of the A15 phase in diblock copolymer melts.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
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18 authors.
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Abstract
Frank-Kasper (F-K) and quasicrystal phases were originally identified in metal alloys and only sporadically reported in soft materials. These unconventional sphere-packing schemes open up possibilities to design materials with different properties. The challenge in soft materials is how to correlate complex phases built from spheres with the tunable parameters of chemical composition and molecular architecture. Here, we report a complete sequence of various highly ordered mesophases by the self-assembly of specifically designed and synthesized giant surfactants, which are conjugates of hydrophilic polyhedral oligomeric silsesquioxane cages tethered with hydrophobic polystyrene tails. We show that the occurrence of these mesophases results from nanophase separation between the heads and tails and thus is critically dependent on molecular geometry. Variations in molecular geometry achieved by changing the number of tails from one to four not only shift compositional phase boundaries but also stabilize F-K and quasicrystal phases in regions where simple phases of spheroidal micelles are typically observed. These complex self-assembled nanostructures have been identified by combining X-ray scattering techniques and real-space electron microscopy images. Brownian dynamics simulations based on a simplified molecular model confirm the architecture-induced sequence of phases. Our results demonstrate the critical role of molecular architecture in dictating the formation of supramolecular crystals with "soft" spheroidal motifs and provide guidelines to the design of unconventional self-assembled nanostructures.
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