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Patterned Photonic Actuators with Dynamic Shape-Morphing and Color-Changing Capabilities Fabricated by Athermal

Nina Qian1, Jun Hu1, Shuai Huang1

  • 1School of Chemistry and Chemical Engineering, State Key Laboratory of Digital Medical Engineering, Southeast University, Nanjing, Jiangsu Province, 211189, China.

Angewandte Chemie (International Ed. in English)
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PubMed
Summary
This summary is machine-generated.

Researchers developed rapid fabrication of stimuli-responsive patterned photonic actuators using athermal embossing. These liquid crystal elastomer actuators exhibit dynamic color changes and 3D actuation, paving the way for advanced soft robotics.

Keywords:
dynamic displayliquid crystal elastomerpatterned structural colorsoft actuator

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Area of Science:

  • Materials Science
  • Soft Robotics
  • Photonics

Background:

  • Stimuli-responsive patterned photonic actuators are crucial for advanced robotics, offering synergistic color changes and shape morphing.
  • Traditional methods for fabricating these actuators are often slow, complex, and result in limited deformation scales.

Purpose of the Study:

  • To introduce a facile and rapid fabrication approach for patterned photonic actuators.
  • To develop actuators based on near-infrared (NIR) light-responsive liquid crystal elastomers.
  • To demonstrate complex 3D actuation and durable structural color changes.

Main Methods:

  • Utilized an athermal embossing technique for rapid fabrication.
  • Employed near-infrared (NIR) light-responsive liquid crystal elastomers as the base material.
  • Fabricated proof-of-concept actuators, including a butterfly-inspired and an origami crane-shaped device.

Main Results:

  • Achieved rapid fabrication of patterned photonic actuators with brilliant angle-dependent structural color.
  • Demonstrated complex three-dimensional actuation and good color durability under NIR light stimulation.
  • Showcased actuators with shape memory, structural color information storage, and dynamic display capabilities.

Conclusions:

  • The athermal embossing technique offers a significant advancement in the facile and rapid fabrication of patterned photonic actuators.
  • The developed liquid crystal elastomer actuators exhibit promising properties for advanced soft robotic applications.
  • This strategy provides valuable insights for designing and fabricating diverse patterned photonic soft robotic devices and intelligent actuators.