期刊
NATURE COMMUNICATIONS
卷 9, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-018-05238-w
关键词
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资金
- National Natural Science Foundation of China [21571046, 51732011, 21761132008, 21431006, 21503063]
- Foundation for Innovative Research Groups of the National Natural Science Foundation of China [21521001]
- National Basic Research Program of China [2014CB931800, 2013CB933900]
- Users with Excellence and Scientific Research Grant of Hefei Science Center of CAS [2015HSC-UE007, 2015SRG-HSC038]
- Program for New Century Excellent Talents in University [2013JYXR0654]
- Fundamental Research Funds for the Central Universities [JZ2016HGPA0735, JZ2017HGTB0197]
- Anhui Provincial Natural Science Foundation [1708085MB30]
It is still a great challenge to improve deformability and fatigue-resistance of stretchable conductors when maintaining their high-level conductivity for practical use. Herein, a high-performance stretchable conductor with hierarchically ternary network and self-healing capability is demonstrated through in situ polymerizing N-isopropylacrylamide (NIPAM) on well-defined sulfur-containing molecule-modified Ag nanowire (AgNW) aerogel framework. Owing to hierarchical architecture from nanoscale to microscale and further to macroscale and strong interactions of polymer chains and AgNWs, the composite exhibits good conductivity of 93 S cm(-1), excellent electromechanical stability up to superhigh tensile strain of 800% and strong fatigue-resistant ability through well accommodating the applied deformations and sharing external force in the network. Furthermore, the composite delivers a fast and strong healing capability induced by reversible Ag-S bonds, which enables the healed conductor to hold an impressive electromechanical property. These prominent demonstrations confirm this material as top performer for use as flexible, stretchable electronic devices.
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