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Themed collection Liquid Crystal Elastomers

23 items
Editorial

Liquid crystal elastomers: emerging trends and applications

Timothy White and Rafael Verduzco introduce this themed collection in Soft Matter on liquid crystal elastomers.

Graphical abstract: Liquid crystal elastomers: emerging trends and applications
From the themed collection: Liquid Crystal Elastomers
Review Article

Smart biomimetic micro/nanostructures based on liquid crystal elastomers and networks

Liquid crystal elastomers and networks have become the materials of choice for the fabrication of bio-inspired micro/nanostructured surfaces.

Graphical abstract: Smart biomimetic micro/nanostructures based on liquid crystal elastomers and networks
From the themed collection: Liquid Crystal Elastomers
Review Article

Shaping helical electrospun filaments: a review

Electrospinning is a simple and versatile technique that allows the production of micro and nanofibres with many different helical shapes. In this work, we review the different electrospinning procedures that can be used to obtain helical shapes similar to those found in natural materials.

Graphical abstract: Shaping helical electrospun filaments: a review
From the themed collection: Liquid Crystal Elastomers
Communication

Interpenetrating polymer networks of liquid-crystalline azobenzene polymers and poly(dimethylsiloxane) as photomobile materials

Interpenetrating polymer networks composed of liquid-crystalline azobenzene polymers and poly(dimethylsiloxane) were prepared to enhance the performance of photomobile materials.

Graphical abstract: Interpenetrating polymer networks of liquid-crystalline azobenzene polymers and poly(dimethylsiloxane) as photomobile materials
From the themed collection: Liquid Crystal Elastomers
Open Access Paper

New insights into the nature of semi-soft elasticity and “mechanical-Fréedericksz transitions” in liquid crystal elastomers

Previously unseen coincidence of a semi-soft elastic-like load curve with a “mechanical-Fréedericksz transition” and negative liquid crystal order parameter (S).

Graphical abstract: New insights into the nature of semi-soft elasticity and “mechanical-Fréedericksz transitions” in liquid crystal elastomers
From the themed collection: Liquid Crystal Elastomers
Paper

Liquid crystal elastomer foams with elastic properties specifically engineered as biodegradable brain tissue scaffolds

3D liquid crystal elastomer foams (LCEs) scaffold materials as dynamic substrates for cell culture, going beyond designing only a physical static 3D scaffold.

Graphical abstract: Liquid crystal elastomer foams with elastic properties specifically engineered as biodegradable brain tissue scaffolds
From the themed collection: Liquid Crystal Elastomers
Open Access Paper

Frame, metric and geodesic evolution in shape-changing nematic shells

Light and heat-induced, non-uniform deformations in nematic shells lead to Gaussian curvature, unusual geodesics and ultimately strong actuation.

Graphical abstract: Frame, metric and geodesic evolution in shape-changing nematic shells
From the themed collection: Liquid Crystal Elastomers
Paper

Beam steering by liquid crystal elastomer fibres

A liquid crystalline elastomer based beam steerer is demonstrated able to address the impinging signal in every in-plane direction.

Graphical abstract: Beam steering by liquid crystal elastomer fibres
From the themed collection: Liquid Crystal Elastomers
Paper

Humidity-responsive actuators from integrating liquid crystal networks in an orienting scaffold

Integrating liquid crystal networks in an anisotropic porous scaffold allows enhancing their mechanical performance and promotes their alignment. By combining this approach with humidity-responsive liquid crystals and gradients in cross-linking density, we demonstrate soft yet tough actuators that curl, wind or twist in response to humidity.

Graphical abstract: Humidity-responsive actuators from integrating liquid crystal networks in an orienting scaffold
From the themed collection: Liquid Crystal Elastomers
Paper

Coupled swelling and nematic reordering in liquid crystal gels

Nematic–isotropic phase transition and swelling occur on separate time scales. A nematic microswimmer exploits this concept to change shape non-reciprocally.

Graphical abstract: Coupled swelling and nematic reordering in liquid crystal gels
From the themed collection: Liquid Crystal Elastomers
Paper

High strain actuation liquid crystal elastomers via modulation of mesophase structure

Control of the mesophase in liquid crystalline elastomers (LCEs) is a critical aspect in harnessing their unique stimuli-responsive properties.

Graphical abstract: High strain actuation liquid crystal elastomers via modulation of mesophase structure
From the themed collection: Liquid Crystal Elastomers
Paper

Thermo-, photo-, and mechano-responsive liquid crystal networks enable tunable photonic crystals

Tunable photonic crystals exhibiting optical properties that respond reversibly to external stimuli have been developed using liquid crystal networks (LCNs) and liquid crystal elastomers (LCEs).

Graphical abstract: Thermo-, photo-, and mechano-responsive liquid crystal networks enable tunable photonic crystals
From the themed collection: Liquid Crystal Elastomers
Paper

Heat-controlled micropillar array device for microsystems technology

A hybrid smart LCE microdevice has been produced with total control on the actuation time/response, repeatability, stability and energy saving.

Graphical abstract: Heat-controlled micropillar array device for microsystems technology
From the themed collection: Liquid Crystal Elastomers
Paper

Liquid-crystal order during synthesis affects main-chain liquid-crystal elastomer behavior

This study presents the first direct comparison of the influence of liquid-crystal order during synthesis on the thermo-mechanical behaviors of main-chain liquid-crystal elastomers (LCEs) in thiol–acrylate networks.

Graphical abstract: Liquid-crystal order during synthesis affects main-chain liquid-crystal elastomer behavior
From the themed collection: Liquid Crystal Elastomers
Paper

Dual-responsive deformation of a crosslinked liquid crystal polymer film with complex molecular alignment

A crosslinked liquid crystal polymer film with discrete alternating splayed alignments is fabricated and shows dual-responsive behavior.

Graphical abstract: Dual-responsive deformation of a crosslinked liquid crystal polymer film with complex molecular alignment
From the themed collection: Liquid Crystal Elastomers
Paper

Topochemical polymerization of dumbbell-shaped diacetylene monomers: relationship between chemical structure, molecular packing structure, and gelation property

The dumbbell-shaped diacetylene monomers are synthesized to stabilize their self-organized superstructure through topochemical polymerization.

Graphical abstract: Topochemical polymerization of dumbbell-shaped diacetylene monomers: relationship between chemical structure, molecular packing structure, and gelation property
From the themed collection: Liquid Crystal Elastomers
Paper

A homeotropic main-chain tolane-type liquid crystal elastomer film exhibiting high anisotropic thermal conductivity

Homeotropic aligned main-chain tolane-type liquid crystal elastomer films with high normal-to-plane thermal conductivity and high thermal conductivity anisotropy are described.

Graphical abstract: A homeotropic main-chain tolane-type liquid crystal elastomer film exhibiting high anisotropic thermal conductivity
From the themed collection: Liquid Crystal Elastomers
Paper

Liquid crystalline epoxy networks with exchangeable disulfide bonds

Reprocessable shape memory liquid crystalline epoxy networks were synthesized.

Graphical abstract: Liquid crystalline epoxy networks with exchangeable disulfide bonds
From the themed collection: Liquid Crystal Elastomers
Paper

Voxel resolution in the directed self-assembly of liquid crystal polymer networks and elastomers

Monomeric mixtures formulated to prepare a liquid crystal polymer network (LCN) or elastomer (LCE) can be “programmed” by surface alignment to retain complex and arbitrary spatial distributions of the director orientation upon polymerization.

Graphical abstract: Voxel resolution in the directed self-assembly of liquid crystal polymer networks and elastomers
From the themed collection: Liquid Crystal Elastomers
Open Access Paper

Patterned oscillating topographical changes in photoresponsive polymer coatings

Light-induced surface deformations are brought into a patterned oscillatory deformation. This is performed by addressing the azobenzene-containing liquid crystal polymer coating with rotating polarized UV illumination.

Graphical abstract: Patterned oscillating topographical changes in photoresponsive polymer coatings
From the themed collection: Liquid Crystal Elastomers
Open Access Paper

Reactive oligo(dimethylsiloxane) mesogens and their nanostructured thin films

Hybrid organic/inorganic polymeric lamellar sheets were obtained by the self-assembly and subsequent photopolymerization of oligo(dimethylsiloxane)-based reactive mesogens.

Graphical abstract: Reactive oligo(dimethylsiloxane) mesogens and their nanostructured thin films
From the themed collection: Liquid Crystal Elastomers
Paper

Dual-responsive, shape-switching bilayers enabled by liquid crystal elastomers

The anisotropic modulus of liquid crystal elastomers is used to drive complex shape change in bilayers.

Graphical abstract: Dual-responsive, shape-switching bilayers enabled by liquid crystal elastomers
From the themed collection: Liquid Crystal Elastomers
Paper

Thermal bending coupled with volume change in liquid crystal gels

Thermal bending of liquid crystal elastomers in swollen and neat states differs significantly in the total variation of curvature and the temperature range where the curvature varies.

Graphical abstract: Thermal bending coupled with volume change in liquid crystal gels
From the themed collection: Liquid Crystal Elastomers
23 items

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