scholarly journals Optical manipulation of shape-morphing elastomeric liquid crystal microparticles doped with gold nanocrystals

2012 ◽  
Vol 100 (24) ◽  
pp. 241901 ◽  
Author(s):  
Yaoran Sun ◽  
Julian S. Evans ◽  
Taewoo Lee ◽  
Bohdan Senyuk ◽  
Patrick Keller ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Optical Manipulation ◽  
Gold Nanocrystals ◽  
Shape Morphing

Photothermally driven liquid crystal polymer actuators

2018 ◽  
Vol 2 (11) ◽  
pp. 1932-1943 ◽  
Author(s):  
Liangliang Dong ◽  
Yue Zhao
Keyword(s):  
Liquid Crystal ◽  
Complex Shape ◽  
Liquid Crystal Polymer ◽  
Photothermal Effect ◽  
Polymer Actuators ◽  
Shape Morphing ◽  
Crystal Polymer

Light-controlled liquid crystal polymer actuators using the photothermal effect are easy to make and capable of executing complex shape morphing or motion.

scholarly journals A multifunctional shape-morphing elastomer with liquid metal inclusions

2019 ◽  
Vol 116 (43) ◽  
pp. 21438-21444 ◽  
Author(s):  
Michael J. Ford ◽  
Cedric P. Ambulo ◽  
Teresa A. Kent ◽  
Eric J. Markvicka ◽  
Chengfeng Pan ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Liquid Metal ◽  
Shape Change ◽  
Liquid Crystal Elastomer ◽  
Shape Morphing ◽  
Robot Locomotion ◽  
Mesoscale Structures ◽  
The Matrix ◽  
Liquid Crystal Phase Transition ◽  
Macroscopic Shape

Natural soft tissue achieves a rich variety of functionality through a hierarchy of molecular, microscale, and mesoscale structures and ordering. Inspired by such architectures, we introduce a soft, multifunctional composite capable of a unique combination of sensing, mechanically robust electronic connectivity, and active shape morphing. The material is composed of a compliant and deformable liquid crystal elastomer (LCE) matrix that can achieve macroscopic shape change through a liquid crystal phase transition. The matrix is dispersed with liquid metal (LM) microparticles that are used to tailor the thermal and electrical conductivity of the LCE without detrimentally altering its mechanical or shape-morphing properties. Demonstrations of this composite for sensing, actuation, circuitry, and soft robot locomotion suggest the potential for versatile, tissue-like multifunctionality.

Untethered soft robotic matter with passive control of shape morphing and propulsion

2019 ◽  
Vol 4 (33) ◽  
pp. eaax7044 ◽  
Author(s):  
Arda Kotikian ◽  
Connor McMahan ◽  
Emily C. Davidson ◽  
Jalilah M. Muhammad ◽  
Robert D. Weeks ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Passive Control ◽  
Integrated Design ◽  
Liquid Crystal Elastomer ◽  
Shape Morphing ◽  
On Demand ◽  
Pentagonal Prism ◽  
External Stimuli ◽  
Thermal Stimuli ◽  
Bending Response

There is growing interest in creating untethered soft robotic matter that can repeatedly shape-morph and self-propel in response to external stimuli. Toward this goal, we printed soft robotic matter composed of liquid crystal elastomer (LCE) bilayers with orthogonal director alignment and different nematic-to-isotropic transition temperatures (TNI) to form active hinges that interconnect polymeric tiles. When heated above their respective actuation temperatures, the printed LCE hinges exhibit a large, reversible bending response. Their actuation response is programmed by varying their chemistry and printed architecture. Through an integrated design and additive manufacturing approach, we created passively controlled, untethered soft robotic matter that adopts task-specific configurations on demand, including a self-twisting origami polyhedron that exhibits three stable configurations and a “rollbot” that assembles into a pentagonal prism and self-rolls in programmed responses to thermal stimuli.

Shape-Morphing Chromonic Liquid Crystal Hydrogels

2016 ◽  
Vol 28 (23) ◽  
pp. 8489-8492 ◽  
Author(s):  
Ruvini S. Kularatne ◽  
Hyun Kim ◽  
Manasvini Ammanamanchi ◽  
Heather N. Hayenga ◽  
Taylor H. Ware
Keyword(s):  
Liquid Crystal ◽  
Shape Morphing

scholarly journals Optical manipulation and defect creation in a liquid crystal on a photoresponsive surface

2017 ◽  
Vol 96 (2) ◽  
Author(s):  
Atefeh Habibpourmoghadam ◽  
Lin Jiao ◽  
Victor Reshetnyak ◽  
Dean R. Evans ◽  
Alexander Lorenz
Keyword(s):  
Liquid Crystal ◽  
Optical Manipulation ◽  
Defect Creation

Thermal and optical manipulation of morphology in cholesteric liquid crystal microdroplets constrained on microfibers

2021 ◽  
Vol 328 ◽  
pp. 115383
Author(s):  
Yan-Song Zhang ◽  
Chia-Lien Ma ◽  
Vladimir Yu. Rudyak ◽  
Shun-An Jiang ◽  
Sergey A. Shvetsov ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Cholesteric Liquid Crystal ◽  
Optical Manipulation
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