Advanced functional liquid crystals

J Uchida, B Soberats, M Gupta, T Kato - Advanced Materials, 2022 - Wiley Online Library
Liquid crystals have been intensively studied as functional materials. Recently, integration of
various disciplines has led to new directions in the design of functional liquid‐crystalline …

Liquid‐crystal‐mediated geometric phase: from transmissive to broadband reflective planar optics

P Chen, BY Wei, W Hu, YQ Lu - Advanced Materials, 2020 - Wiley Online Library
Planar optical elements that can manipulate the multidimensional physical parameters of
light efficiently and compactly are highly sought after in modern optics and nanophotonics. In …

Phase singularities and optical vortices in photonics

AP Porfirev, AA Kuchmizhak, SO Gurbatov… - Phys. Usp, 2022 - ufn.ru
Since the second half of the 20th century, ideas to develop methods for the formation of
optical vortices (OVs) or OV beams–regions of circular motion of energy flow in an …

Direct surface patterning of microscale well and canal structures by photopolymerization of liquid crystals with structured light

S Hashimoto, N Akamatsu, Y Kobayashi… - … Applied Materials & …, 2023 - ACS Publications
Precise control of the surface topographies of polymer materials is key to develo** high-
performance materials and devices for a wide variety of applications, such as optical …

Alignment control of smectic layer structures in liquid-crystalline polymers by photopolymerization with scanned slit light

M Ishizu, K Hisano, M Aizawa, CJ Barrett… - … Applied Materials & …, 2022 - ACS Publications
Photoalignment control of hierarchical structures is a key process to enhance the properties
of optical and mechanical materials. We developed an in situ molecular alignment method …

Spatiotemporal irradiation-induced molecular flow enables distinct photopolymerization

T Ishiyama, Y Kobayashi, H Nakamura… - …, 2024 - ACS Publications
The effects of external force on polymers have been actively studied for a long time. Initially
considered a primary factor leading to polymer degradation, it has recently been re …

Photoinduced Reorientation and Photofunctional Control of Liquid Crystalline Copolymers with in Situ-Formed N-Benzylideneaniline Derivative Side Groups

A Ito, Y Norisada, S Inada, M Kondo, T Sasaki… - Langmuir, 2020 - ACS Publications
The influence of the annealing conditions on the thermally stimulated photoinduced
molecular reorientation of a photoinactive liquid crystalline polymethacrylate with phenyl …

Effect of polymer concentration on molecular alignment behavior during scanning wave photopolymerization

T Ishiyama, Y Kobayashi, H Nakamura, M Aizawa… - Polymer Journal, 2024 - nature.com
Molecularly aligned liquid-crystalline (LC) polymer films hold great promise for next-
generation high-performance photonics, electronics, robotics, and medical devices …

Real-time molecular-level visualization of mass flow during patterned photopolymerization of liquid-crystalline monomers

K Ueda, M Aizawa, A Shishido, M Vacha - NPG Asia Materials, 2021 - nature.com
Single-particle fluorescence imaging is used to monitor dynamic processes that occur during
patterned photopolymerization of liquid-crystalline monomers. A spatial gradient of chemical …

Simultaneous formation behaviour of surface structures and molecular alignment by patterned photopolymerisation

S Hashimoto, M Aizawa, N Akamatsu, T Sasaki… - Liquid …, 2019 - Taylor & Francis
Highly functional soft materials with fine control of molecular alignment are of great interest
for the applications in various fields. However, the current method of molecular alignment …