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Programming Photoresponse in Liquid Crystal Polymer Actuators with Laser Projector

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Programming Photoresponse in Liquid Crystal Polymer Actuators with Laser Projector. / Wani, Owies M.; Zeng, Hao; Wasylczyk, Piotr; Priimagi, Arri.

In: Advanced Optical Materials, Vol. 6, No. 1, 1700949, 2018.

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Wani, Owies M. ; Zeng, Hao ; Wasylczyk, Piotr ; Priimagi, Arri. / Programming Photoresponse in Liquid Crystal Polymer Actuators with Laser Projector. In: Advanced Optical Materials. 2018 ; Vol. 6, No. 1.

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@article{d2432f6871e544f398c833bb7b503cf7,
title = "Programming Photoresponse in Liquid Crystal Polymer Actuators with Laser Projector",
abstract = "A versatile, laser-projector-based method is demonstrated for programming alignment patterns into monolithic films of liquid crystal polymer networks. Complex images can be photopatterned into the polymer films with sub-100 μm resolution, using relatively short exposure times. The method is further used to devise both photochemically and photothermally driven actuators that can undergo distinct light-induced shape changes, dictated by the programmed alignment patterns. Deformation modes such as buckling and coiling, as well as miniature robotic devices such as a gripper and a light-responsive octopod, are demonstrated. The reported technique enables easy and cost-effective programmable actuation with relatively high throughput, thus significantly facilitating the design and realization of functional soft robotic actuators.",
keywords = "Azobenzene, Laser projectors, Liquid crystal, Patterning, Photoactuation, Photoalignment",
author = "Wani, {Owies M.} and Hao Zeng and Piotr Wasylczyk and Arri Priimagi",
year = "2018",
doi = "10.1002/adom.201700949",
language = "English",
volume = "6",
journal = "Advanced Optical Materials",
issn = "2195-1071",
publisher = "Wiley",
number = "1",

}

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TY - JOUR

T1 - Programming Photoresponse in Liquid Crystal Polymer Actuators with Laser Projector

AU - Wani, Owies M.

AU - Zeng, Hao

AU - Wasylczyk, Piotr

AU - Priimagi, Arri

PY - 2018

Y1 - 2018

N2 - A versatile, laser-projector-based method is demonstrated for programming alignment patterns into monolithic films of liquid crystal polymer networks. Complex images can be photopatterned into the polymer films with sub-100 μm resolution, using relatively short exposure times. The method is further used to devise both photochemically and photothermally driven actuators that can undergo distinct light-induced shape changes, dictated by the programmed alignment patterns. Deformation modes such as buckling and coiling, as well as miniature robotic devices such as a gripper and a light-responsive octopod, are demonstrated. The reported technique enables easy and cost-effective programmable actuation with relatively high throughput, thus significantly facilitating the design and realization of functional soft robotic actuators.

AB - A versatile, laser-projector-based method is demonstrated for programming alignment patterns into monolithic films of liquid crystal polymer networks. Complex images can be photopatterned into the polymer films with sub-100 μm resolution, using relatively short exposure times. The method is further used to devise both photochemically and photothermally driven actuators that can undergo distinct light-induced shape changes, dictated by the programmed alignment patterns. Deformation modes such as buckling and coiling, as well as miniature robotic devices such as a gripper and a light-responsive octopod, are demonstrated. The reported technique enables easy and cost-effective programmable actuation with relatively high throughput, thus significantly facilitating the design and realization of functional soft robotic actuators.

KW - Azobenzene

KW - Laser projectors

KW - Liquid crystal

KW - Patterning

KW - Photoactuation

KW - Photoalignment

U2 - 10.1002/adom.201700949

DO - 10.1002/adom.201700949

M3 - Article

VL - 6

JO - Advanced Optical Materials

JF - Advanced Optical Materials

SN - 2195-1071

IS - 1

M1 - 1700949

ER -