Results 91 to 100 of about 16,732 (315)
Modeling the Mechanisms of the Photomechanical Response of a Nematic Liquid Crystal Elastomer
, 2011 Recent studies of azo-dye doped liquid crystal elastomers show a strong photomechanical response. We report on models that predict experimental results that suggest photothermal heating is the dominant mechanism in a planar constrained geometry.
Dawson, Nathan J. +4 more
core +1 more source
Modeling Defects, Shape Evolution, and Programmed Auto-origami in Liquid Crystal Elastomers [PDF]
, 2016 Liquid crystal elastomers represent a novel class of programmable shape-transforming materials whose shape change trajectory is encoded in the material's nematic director field.
Gimenez-Pinto, Vianney +2 more
core +2 more sources
Epidermal Patch Technologies for Integrated Healthcare and Infection Management
Advanced Healthcare Materials, EarlyView.Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang +7 more
wiley +1 more source
Nematic-Isotropic Transition with Quenched Disorder
, 2006 Nematic elastomers do not show the discontinuous, first-order, phase transition that the Landau-De Gennes mean field theory predicts for a quadrupolar ordering in 3D.
A. I. Larkin +7 more
core +1 more source
Advanced Materials, EarlyView.A green, freeform manufacturing approach that utilizes robust aqueous two‐phase systems to create intricate and scalable photonic structures and non‐planar mechanochromic hydrogel actuators from plant‐based hydroxypropyl cellulose. This approach broadens the structural possibilities of sustainable photonic devices and mechanochromic systems, offering ...
Xiao Song +14 more
wiley +1 more source
A light-driven artificial flytrap
Nature Communications, 2017 Stimuli-responsive materials are commonly used in autonomous systems, whilst it is challenging to power them in a programmable manner. Here, Waniet al. use an optical fibre to control the shape of light-responsive liquid-crystal elastomers, which allow ...
Owies M. Wani, Hao Zeng, Arri Priimagi
doaj +1 more source
Nematic elastomers with aligned carbon nanotubes: new electromechanical actuators
, 2003 We demonstrate, for the first time, the large electromechanical response in nematic liquid crystalline elastomers filled with a very low (~0.01%) concentration of carbon nanotubes, aligned along the nematic director at preparation. The nanotubes create a
Courty, S. +3 more
core +1 more source
Advanced Materials, EarlyView.Spin crossover composite filaments are implemented for the rational design of 4D‐printed mechanical metamaterials. The obtained bi‐material structures guided by a theoretical analysis based on analytical calculations and Finite Element Analysis simulations exhibit giant programmable positive or negative deformation with coefficients of thermal ...
Adelais Trapali +7 more
wiley +1 more source
Monolithic shape-programmable dielectric liquid crystal elastomer actuators
, 2019 Macroscale robotic systems have demonstrated great capabilities of high speed, precise, and agile functions. However, the ability of soft robots to perform complex tasks, especially in centimeter and millimeter scale, remains limited due to the ...
Aghakhani, Amirreza +7 more
core +1 more source
Advanced Materials, EarlyView.The field of polymer thermoelectrics is entering a new era, featuring breakthroughs in addressing the conventional performance disparity between p‐type and n‐type polymers, pioneering doping frontiers, and sophisticated decoupling strategies. This review explores innovations in molecular design and superior stabilities, bridging the gap from ...
Suhao Wang
wiley +1 more source