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Related Concept Videos

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Related Experiment Video

Updated: Oct 23, 2025

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers
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Soft, Bistable Actuators for Reconfigurable 3D Electronics.

Zhou Chen1,2,3,4,5, Shangcheng Kong6, Yunhu He1,2,3,4

  • 1Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen 518000, China.

ACS Applied Materials & Interfaces
|August 24, 2021
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel solvent-driven bistable actuator for reconfigurable 3D electronics. This simple, robust strategy enables diverse 3D structures from polyimide sheets, overcoming limitations of current methods.

Keywords:
3D electronicsbistable actuatorreconfigurable structuressolvent expansionultraviolet (UV)/ozone treatment

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Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Electrical Engineering

Background:

  • Current reconfigurable 3D electronics face challenges due to complex mechanisms and material requirements.
  • A need exists for simple, robust strategies to reconstruct and extend the functionality of 3D electronic devices.

Purpose of the Study:

  • To introduce a novel solvent-driven bistable actuator for reconfigurable 3D electronics.
  • To demonstrate the actuator's capability in creating diverse 3D structures and enabling functional device reconfiguration.

Main Methods:

  • Fabrication of a bilayered, solvent-driven bistable smart actuator using poly(dimethylsiloxane) (PDMS) and ultraviolet (UV)/ozone treatment.
  • Investigation of buckling configurations and bistable behavior through experimental and numerical studies.
  • Integration with kirigami polyimide (PI) sheets to achieve reversible 3D structure transformations.

Main Results:

  • The PDMS actuator exhibits bistable behavior triggered by solvent-induced buckling and differential stimulus response.
  • The actuator successfully drives kirigami PI sheets into various reversible 3D configurations.
  • A frequency-reconfigurable electrically small monopole antenna was demonstrated using this actuator system.

Conclusions:

  • The proposed solvent-driven bistable actuator offers a simple and robust platform for reconfigurable 3D electronics.
  • This approach overcomes limitations of existing methods, paving the way for advanced 3D electronic applications.