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Hierarchical Assemblies and Non-equilibrium Structures

Hierarchical Assemblies and Non-equilibrium Structures. T. P. Russell Polymer Science and Engineering Department University of Massachusetts Amherst, MA. A Sph. B Sph. Lamella. A Cyl. B Cyl. Gyroid A B. ODT. Disordered. f A (A component Volume Fraction).

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Hierarchical Assemblies and Non-equilibrium Structures

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  1. Hierarchical Assemblies and Non-equilibrium Structures T. P. RussellPolymer Science and Engineering DepartmentUniversity of Massachusetts Amherst, MA

  2. A Sph. B Sph. Lamella A Cyl B Cyl Gyroid A B ODT Disordered fA (A component Volume Fraction) Block copolymer morphology

  3. Directed Self-Assembly • External Fields • Interfacial interactions • Electric fields • Thermal fields • Capillary force • Solvent evaporation • Flow • Coupled fields • Gradient fields Biased Self-Directed Self-Assembly

  4. E-Field Alingment MF Simlations

  5. Solvent Evaporation f S Highly Mobile Surface Ordered cN Disordered f Generation of Long Range Order

  6. Solvent Casting Dry Wet mm

  7. Swelling, Ordering

  8. CdSe Nanorods in Electric Field 20 nm ~30nm x ~6nm CdSe nanorods in PMMA (30%w/w) from CHCl3 under 10V/mm Electric field

  9. P P O O O O P P O P Systems CdSe Nanoparticle (3-6nm) CPMV (~30nm) Ferritin (~12nm) Toluene/Water Water/Perfluorodecalin -SH and -NH2 groups

  10. Synergistc Assemblies Metrics of Order

  11. Tomography, Metrics

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