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Design guidelines for self-healing materials in soft electronics
Chan Beom Park1, Gunho Chang2, Jooyeun Chong2
1Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea.
Nano Convergence
|May 2, 2026
Summary
Durable soft electronics with self-healing capabilities are developed using dynamic bonds. This innovation enhances mechanical toughness and extends device lifetime for advanced wearable and implantable bioelectronics.
Area of Science:
- Materials Science
- Polymer Chemistry
- Soft Robotics
Background:
- Soft electronic devices face challenges with mechanical deformations like scratches and punctures, limiting their lifespan.
- Lack of intrinsic damage recovery mechanisms compromises the mechanical integrity of soft electronics.
- Reversible dynamic bonds offer a solution for autonomous self-healing and enhanced mechanical toughness.
Purpose of the Study:
- To review emerging self-healable and tough soft electronics applications.
- To highlight the role of dynamic bond engineering in achieving device durability and adaptability.
- To explore advancements in wearable and implantable bioelectronics.
Main Methods:
- Strategic incorporation of reversible dynamic bonds into soft electronic materials.
- Optimization of glass transition temperature and bond exchange kinetics for efficient self-healing.
- Engineering dynamic bonds to enhance energy dissipation during bond rupture for toughness.
Main Results:
- Demonstrated autonomous self-healing and high mechanical toughness in soft electronics.
- Achieved rapid interfacial diffusion and recovery through optimized chain mobility.
- Developed multimodal electronic skins, reconfigurable systems, and integrated optoelectronic devices.
Conclusions:
- Dynamic bond engineering is crucial for creating robust, adaptable, and self-healing soft electronics.
- These advancements enable extended operational lifetimes for next-generation bioelectronics.
- Self-healable soft electronics show significant promise for real-world wearable and implantable applications.
