Self-healing electronic skin with high fracture strength and toughness
Abstract Human skin is essential for perception, encompassing haptic, thermal, proprioceptive, and pain-sensing functions through ion movement. Additionally, it is mechanically resilient and self-healing for protection. Inspired by these unique properties, researchers have attempted to develop stret...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2024-11-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-024-53957-0 |
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| author | Jaehoon Jung Sunwoo Lee Hyunjun Kim Wonbeom Lee Jooyeun Chong Insang You Jiheong Kang |
| author_facet | Jaehoon Jung Sunwoo Lee Hyunjun Kim Wonbeom Lee Jooyeun Chong Insang You Jiheong Kang |
| author_sort | Jaehoon Jung |
| collection | DOAJ |
| description | Abstract Human skin is essential for perception, encompassing haptic, thermal, proprioceptive, and pain-sensing functions through ion movement. Additionally, it is mechanically resilient and self-healing for protection. Inspired by these unique properties, researchers have attempted to develop stretchable, self-healing sensors based on ion dynamics. However, most self-healing sensors reported to date suffer from low fracture strength and toughness. In this work, we present an ion-based self-healing electronic skin with exceptionally high fracture strength and toughness. We enhanced self-healing polymers and ionic conductors by introducing two types of orthogonal dynamic crosslinking bonds: dynamic aromatic disulfide bonds and 2-ureido-4-pyrimidone moieties. These dynamic bonds provide autonomous self-healing and high mechanical toughness even in the presence of ionic liquids. As a result, our self-healing polymer and self-healing ionic conductor exhibit remarkable stretchability (700%, 850%), fracture strength (34 MPa, 30 MPa), and toughness (78.5 MJ/m3, 87.3 MJ/m3), the highest values reported among self-healing ionic conductors to date. Using our materials, we developed various fully self-healing sensors and a soft gripper capable of autonomously recovering from mechanical damage. By integrating these components, we created a comprehensive self-healing electronic skin suitable for soft robotics applications. |
| format | Article |
| id | doaj-art-d96dfe4d7c7e419fac5d8443c3b3a758 |
| institution | Kabale University |
| issn | 2041-1723 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj-art-d96dfe4d7c7e419fac5d8443c3b3a7582024-11-17T12:35:20ZengNature PortfolioNature Communications2041-17232024-11-0115111010.1038/s41467-024-53957-0Self-healing electronic skin with high fracture strength and toughnessJaehoon Jung0Sunwoo Lee1Hyunjun Kim2Wonbeom Lee3Jooyeun Chong4Insang You5Jiheong Kang6Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST)Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST)Department of Chemistry, Seoul National UniversityDepartment of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST)Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST)Department of Chemistry, University of Waterloo, 200 University Ave W., WaterlooDepartment of Chemistry, Seoul National UniversityAbstract Human skin is essential for perception, encompassing haptic, thermal, proprioceptive, and pain-sensing functions through ion movement. Additionally, it is mechanically resilient and self-healing for protection. Inspired by these unique properties, researchers have attempted to develop stretchable, self-healing sensors based on ion dynamics. However, most self-healing sensors reported to date suffer from low fracture strength and toughness. In this work, we present an ion-based self-healing electronic skin with exceptionally high fracture strength and toughness. We enhanced self-healing polymers and ionic conductors by introducing two types of orthogonal dynamic crosslinking bonds: dynamic aromatic disulfide bonds and 2-ureido-4-pyrimidone moieties. These dynamic bonds provide autonomous self-healing and high mechanical toughness even in the presence of ionic liquids. As a result, our self-healing polymer and self-healing ionic conductor exhibit remarkable stretchability (700%, 850%), fracture strength (34 MPa, 30 MPa), and toughness (78.5 MJ/m3, 87.3 MJ/m3), the highest values reported among self-healing ionic conductors to date. Using our materials, we developed various fully self-healing sensors and a soft gripper capable of autonomously recovering from mechanical damage. By integrating these components, we created a comprehensive self-healing electronic skin suitable for soft robotics applications.https://doi.org/10.1038/s41467-024-53957-0 |
| spellingShingle | Jaehoon Jung Sunwoo Lee Hyunjun Kim Wonbeom Lee Jooyeun Chong Insang You Jiheong Kang Self-healing electronic skin with high fracture strength and toughness Nature Communications |
| title | Self-healing electronic skin with high fracture strength and toughness |
| title_full | Self-healing electronic skin with high fracture strength and toughness |
| title_fullStr | Self-healing electronic skin with high fracture strength and toughness |
| title_full_unstemmed | Self-healing electronic skin with high fracture strength and toughness |
| title_short | Self-healing electronic skin with high fracture strength and toughness |
| title_sort | self healing electronic skin with high fracture strength and toughness |
| url | https://doi.org/10.1038/s41467-024-53957-0 |
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