Affiliation:
1. Center for Child Care and Mental Health (CCCMH) Shenzhen Children's Hospital Affiliated to Shantou University Medical College Shenzhen 518038 China
2. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Institute of Functional Materials Research Base of Textile Materials for Flexible Electronics and Biomedical Applications (China Textile Engineering Society) Shanghai Engineering Research Center of Nano‐Biomaterials and Regenerative Medicine Donghua University Shanghai 201620 China
3. Department of Materials and Polymer Engineering Faculty of Engineering Hakim Sabzevari University Sabzevar 9617976487 Iran
4. Biotechnology Centre Silesian University of Technology Krzywoustego 8 Gliwice 44‐100 Poland
Abstract
AbstractStretchable conductive fibers play key roles in electronic textiles, which have substantial improvements in terms of flexibility, breathability, and comfort. Compared to most existing electron‐conductive fibers, ion‐conductive fibers are usually soft, stretchable, and transparent, leading to increasing attention. However, the integration of desirable functions including high transparency, stretchability, conductivity, solvent resistance, self‐healing ability, processability, and recyclability remains a challenge to be addressed. Herein, a new molecular strategy based on dynamic covalent cross‐linking networks is developed to enable continuous melt spinning of the ionogel fiber with the aforementioned properties. As a proof of concept, adaptable covalently cross‐linked ionogel fibers based on dimethylglyoximeurethane (DOU) groups (DOU‐IG fiber) are prepared. The resultant DOU‐IG fiber exhibited high transparency (>93%), tensile strength (0.76 MPa), stretchability (784%), and solvent resistance. Owing to the dynamic of DOU groups, the DOU‐IG fiber shows high healing performance using near‐infrared light. Taking advantage of DOU‐IG fibers, multifunctional ionotronics with the integration of several desirable functionalities including sensor, triboelectric nanogenerator, and electroluminescent display are fabricated and used for motion monitoring, energy harvesting, and human–machine interaction. It is believed that these DOU‐IG fibers are promising for fabricating the next generation of electronic textiles and other wearable electronics.
Funder
National Natural Science Foundation of China
China Postdoctoral Science Foundation
Science and Technology Commission of Shanghai Municipality
Shenzhen Science and Technology Innovation Program
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science