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Multifunctional Ionic Conductive Anisotropic Elastomers with Self-Wrinkling Microstructures by In Situ Phase

Zhiyang Liu1, Qi Jiang1, Hari Krishna Bisoyi2

  • 1Institute of Advanced Materials and School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.

ACS Applied Materials & Interfaces
|June 2, 2023
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Summary

Researchers developed novel ionic conductive elastomers (ICEs) for wearable electronics. These self-wrinkling materials offer dual optical and electrical outputs for advanced sensors and information transmission.

Keywords:
ionic conductorliquid crystal elastomerphase separationresponsive materialsensor

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Wearable Electronics

Background:

  • Multifunctional flexible sensors are crucial for future wearable electronic devices.
  • Developing stable, integrated conductive elastomers is key for sensor functionality.

Purpose of the Study:

  • To design and prepare novel ionic conductive elastomers (ICEs) with self-wrinkling microstructures.
  • To achieve dual-mode optical and electrical signal outputs for advanced applications.

Main Methods:

  • In situ phase separation induced by a one-step polymerization reaction.
  • Doping ionic liquids into liquid crystal elastomers to form clustered droplets.
  • Inducing self-wrinkling microstructures on the film surface.

Main Results:

  • The prepared ICEs exhibit mechanochromism and conductivity.
  • Demonstrated large tensile strain, low hysteresis, and high cycle stability.
  • Showed sensitivity during tension-release, enabling dual-mode signal output.

Conclusions:

  • The developed ICEs with self-wrinkling structures are promising for multifunctional flexible sensors.
  • The dual-mode output capability enhances information transmission and sensing applications.
  • This work advances the development of next-generation wearable electronic devices.