Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 61, Issue 22, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202200226
Keywords
All-Fiber Structure; Breathable Electronic Skin; Confined Protective Structures; Multifunctional Sensing; Self-Healing Fibrous Membranes
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Funding
- National Natural Science Foundation of China [52073051, 51925302, 51873030]
- National Key R&D Program of China [2018YFC2000900]
- International Cooperation Fund of Science and Technology Commission of Shanghai Municipality [21130750100]
- Shanghai Committee of Science and Technology [19QA1400100]
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A novel interface protective strategy is reported in this article to develop intrinsically self-healing fibrous membranes with a bionic confined structure, which are further assembled into an all-fiber structured electronic skin. The electronic skin is multifunctional with self-powering, self-healing, breathability, stretchability, and thermochromism functionalities.
Considerable effort has been devoted to the fabrication of electronic skin that can imitate the self-healing and sensing function of biological skin. Almost all self-healing electronic skins are composed of airtight elastomers or hydrogels, which will cause skin inflammation. Fibrous membranes are ideal materials for preparing highly sensitive breathable electronic skins. However, the development of intrinsically self-healing fibrous membranes with high stability is still a challenge. Here, a novel interface protective strategy is reported to develop intrinsically self-healing fibrous membranes with a bionic confined structure for the first time, which were further assembled into an all-fiber structured electronic skin through interfacial hydrogen bonding. The electronic skin is multifunctional with self-powering, self-healing, breathability, stretchability, and thermochromism functionalities, which is highly promising for application in intelligent wearable sensing systems.
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