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Updated: Sep 12, 2025

A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles
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Textile-integrated multilayer liquid metal soft circuits for multienvironment wearable electronics.

Brittan T Wilcox1, Ella T Williams1, Michael D Bartlett1,2

  • 1Mechanical Engineering, Soft Materials and Structures Lab, Virginia Tech, Blacksburg, VA 24061, USA. mbartlett@vt.edu.

Materials Horizons
|August 5, 2025
PubMed
Summary
This summary is machine-generated.

Researchers developed robust, stretchable textile electronics using multilayer liquid metal (LM) soft circuits. This innovation enables resilient wearable devices with advanced sensing and data transfer capabilities for diverse environments.

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Area of Science:

  • Materials Science
  • Electrical Engineering
  • Wearable Technology

Background:

  • Developing rugged yet deformable soft devices is crucial for wearable technologies operating in varied environments.
  • A significant challenge in textile-based wearable electronics lies in creating robust mechanical and electrical interconnections on deformable textile surfaces.

Purpose of the Study:

  • To present a novel scheme for creating textile electronics using multilayer liquid metal (LM) soft circuits.
  • To demonstrate robust integration with textiles and achieve water resistance in these soft circuits.
  • To enable advanced electrical functionality in flexible and stretchable wearable devices.

Main Methods:

  • Fabrication of multilayer liquid metal (LM) soft circuits with vertical interconnect access (vias).
  • Integration of rigid electronic components onto the soft circuits.
  • Utilization of multiple soft welding processes to achieve robust interlayer adhesion (up to 11,000 J m⁻²).
  • Characterization of electromechanical performance and environmental resilience, including water resistance.

Main Results:

  • Achieved robust interlayer adhesion within the soft circuits.
  • Demonstrated textile-integrated LM soft circuits that stretch up to 300% strain.
  • Confirmed resilience against environmental damage, including water resistance.
  • Successfully enabled sensing and data transfer functionalities, showcased via a distributed wearable camera system.

Conclusions:

  • The developed fabrication method provides a path forward for robust, textile-integrated electronics.
  • The multilayer LM soft circuits maintain flexibility and stretchability while offering advanced functionality.
  • This approach is adaptable to various circuit designs, paving the way for next-generation wearable technologies.