期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 6, 期 7, 页码 1746-1752出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7tc05432g
关键词
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资金
- Program for Scientific Research Innovation Team in Colleges and Universities of Shandong Province
- National Natural Science Foundation of China [51702178]
- Natural Science Foundation of Shandong Province [ZR2017MB009]
Self-healable conductivity is an important feature of electronic skin, which is highly desirable for next-generation wearable devices. However, the preparation of conductors with good mechanical properties combining thermal sensitivity, adhesion, and injectability as well as self-healing capability remains a great challenge. Herein, a series of self-healing conductors were fabricated through random copolymerization of butyl methacrylate (BMA), lauryl methacrylate (LMA) and undecylenyl alcohol modified multi-walled carbon nanotubes (mMWCNTs). The covalent binding between mMWCNTs and polymers avoids the aggregation and uneven dispersion of MWCNTs in the polymer matrix. The resulting conductors possess electrical conductivity (about 11 S m(-1)) and high mechanical performance (Young's modulus: similar to 10 MPa and tensile strength: similar to 0.89 MPa) as well as high mechanical and electrical self-healing efficiency (494% of mechanical strength and 498% of conductivity). More importantly, the composites also exhibit other unique features, including adhesive, injectable, and sensing capability. This work provides new routes to design and fabricate self-healing conductive materials for applications in next-generation wearable devices.
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