scholarly journals Self-assembly of liquid crystals in nanoporous solids for adaptive photonic metamaterials

Nanoscale ◽  
2019 ◽  
Vol 11 (48) ◽  
pp. 23304-23317 ◽  
Author(s):  
Kathrin Sentker ◽  
Arda Yildirim ◽  
Milena Lippmann ◽  
Arne W. Zantop ◽  
Florian Bertram ◽  
...  
Keyword(s):  
Monte Carlo ◽  
Liquid Crystals ◽  
Computer Simulations ◽  
Self Assembly ◽  
X Ray ◽  
X Ray Scattering ◽  
Nanoporous Solids ◽  
Ray Scattering

X-ray scattering and optical polarimetry evidence in agreement with Monte Carlo computer simulations that confinement-controlled self-assembly of liquid crystals in nanopores allows for designing photonic metamaterials with adaptive birefringence.

In situ Time-Resolved Small-Angle X-ray Scattering Reveals the Formation Kinetics of Polyelectrolyte Complex Micelles

2019 ◽  
Author(s):  
Hao Wu ◽  
Jeffrey Ting ◽  
Siqi Meng ◽  
Matthew Tirrell
Keyword(s):  
Small Angle ◽  
Self Assembly ◽  
Electrostatic Interactions ◽  
Polyelectrolyte Complex ◽  
Time Resolved ◽  
X Ray ◽  
X Ray Scattering ◽  
Kinetics Of ◽  
Ray Scattering

We have directly observed the <i>in situ</i> self-assembly kinetics of polyelectrolyte complex (PEC) micelles by synchrotron time-resolved small-angle X-ray scattering, equipped with a stopped-flow device that provides millisecond temporal resolution. This work has elucidated one general kinetic pathway for the process of PEC micelle formation, which provides useful physical insights for increasing our fundamental understanding of complexation and self-assembly dynamics driven by electrostatic interactions that occur on ultrafast timescales.

scholarly journals Alpha helical surfactant-like peptides self-assemble into pH-dependent nanostructures

Soft Matter ◽  
2021 ◽  
Vol 17 (11) ◽  
pp. 3096-3104
Author(s):  
Valeria Castelletto ◽  
Jani Seitsonen ◽  
Janne Ruokolainen ◽  
Ian W. Hamley
Keyword(s):  
Electron Microscopy ◽  
Transmission Electron Microscopy ◽  
Small Angle ◽  
Self Assembly ◽  
X Ray ◽  
Cryogenic Transmission Electron Microscopy ◽  
X Ray Scattering ◽  
Transmission Electron ◽  
Ph Dependent ◽  
Ray Scattering

A designed surfactant-like peptide is shown, using a combination of cryogenic-transmission electron microscopy and small-angle X-ray scattering, to have remarkable pH-dependent self-assembly properties.

scholarly journals Evaluation of 4-alkoxy-4′-nitrobiphenyl liquid crystals for use in next generation scattering LCDs

RSC Advances ◽  
2017 ◽  
Vol 7 (64) ◽  
pp. 40480-40485 ◽  
Author(s):  
Richard J. Mandle ◽  
Stephen J. Cowling ◽  
John W. Goodby
Keyword(s):  
Liquid Crystals ◽  
Electric Field ◽  
Applied Electric Field ◽  
Field Studies ◽  
Next Generation ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

A combination of microscopy, X-ray scattering, calorimetry and applied electric field studies demonstrates the 4-alkoxy-4′-nitrobiphenyls are potentially of use for next generation, backlight free scattering mode LCD devices.

scholarly journals Dispersion of Silica Particles in Rubber During Elongation Revealed by Ultra Small Angle X-ray Scattering and Reverse Monte Carlo Modelling

2019 ◽  
Vol 92 (4) ◽  
pp. 152-157
Author(s):  
Tomotaka NAKATANI ◽  
Shinji KOHARA ◽  
Taiki HOSHINO ◽  
So FUJINAMI ◽  
Masaki TAKATA
Keyword(s):  
Monte Carlo ◽  
Small Angle ◽  
Silica Particles ◽  
Reverse Monte Carlo ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

Static structure and dynamical behavior of colloidal liquid crystals consisting of hydroxyapatite-based nanorod hybrids

Soft Matter ◽  
2019 ◽  
Vol 15 (16) ◽  
pp. 3315-3322 ◽  
Author(s):  
Taiki Hoshino ◽  
Masanari Nakayama ◽  
So Fujinami ◽  
Tomotaka Nakatani ◽  
Yoshiki Kohmura ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Liquid Crystalline ◽  
Dynamical Behavior ◽  
Colloidal Dispersions ◽  
Static Structure ◽  
X Ray ◽  
Structure And Dynamics ◽  
X Ray Scattering ◽  
Ray Scattering

The static structure and dynamics of liquid-crystalline colloidal dispersions of hydroxyapatite nanorods are studied using X-ray scattering techniques.

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