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Updated: Jan 17, 2026
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A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles
Published on: March 13, 2017
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Multifunctional bio-based wearable ionogel with hierarchical dynamic covalent crosslinked double networks enabled by
Siyu Jia1, Zixing Feng1, Xueqing Yan1
1Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Energy, Beijing Forestry University, Beijing 100083, China.
Carbohydrate Polymers
|September 14, 2025
Summary
Researchers developed a new bio-based ionogel from lipoic acid and xylan. This flexible material offers high stretchability, conductivity, and self-healing for advanced wearable sensors.
Area of Science:
- Materials Science
- Polymer Chemistry
- Biomaterials
Background:
- Ionogels are promising for flexible electronics but lack bio-based options with facile fabrication, multifunctionality, and recyclability.
- Developing sustainable and high-performance ionogels is crucial for advanced electronic applications.
Purpose of the Study:
- To design and prepare a high-performance, bio-based ionogel using lipoic acid and alkenyl xylan.
- To investigate the ionogel's properties for applications in flexible electronics and wearable sensors.
Main Methods:
- Fabrication of the ionogel via melt processing, creating hierarchical dynamic covalent cross-linked double networks (HBD-CAN).
- Utilizing xylan as both an inhibitor of lipoic acid depolymerization and a cross-linking agent.
- Characterization of mechanical, electrical, optical, and self-healing properties.
Main Results:
- The lipoic acid-alkenyl xylan (LA-XEA) ionogel exhibited 1500% stretchability, 33 kPa skin adhesion, 6.20 mS/m conductivity, and >85% optical transparency.
- Demonstrated rapid self-healing, full recyclability, and multi-response to tensile and temperature stimuli.
- Achieved high-quality electrophysiological signal acquisition for wearable sensors.
Conclusions:
- The LA-XEA ionogel offers a promising bio-based material for flexible electronics, particularly for highly sensitive strain and temperature sensors.
- This work presents a viable strategy for developing advanced xylan-based ionogels with enhanced properties and sustainability.
