期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 7, 期 3, 页码 578-585出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8tc05780j
关键词
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资金
- National Natural Science Foundation of China [51673121, 51873123]
- State Key Laboratory of Polymer Materials Engineering [sklpme2017-2-06]
Despite the wide range of applications of flexible strain sensors, most of them use covalently crosslinked elastomers as a stretchable matrix, which may cause potential environmental problems via the disposal of worn-out devices. To mitigate this environmental threat, endowing sensors with self-repairability can be a simple and effective way to prolong their service lives. However, most current self-repairing sensors require complicated syntheses, in which hazardous solvents and reagents are always needed. Therefore, it remains challenging to develop an environment-friendly self-repairing sensor. Here, we report a sustainable self-repairing strain sensor based on naturally-derived supramolecular elastomer and green-synthesized silver nanofibers. This E-skin sensor features a high conductivity (>= 10(4) S m(-1)), low percolation threshold (0.32%), high sensitivity (gauge factor B405.6) and desirable real-time (<= 30 s) self-repairability after damage. This work may pave the way for the development of renewable, biocompatible and self-repairing next-generation wearable electronic devices.
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