期刊
ADVANCED SCIENCE
卷 7, 期 23, 页码 -出版社
WILEY
DOI: 10.1002/advs.202002009
关键词
curcumin; electroless deposition; human– machine interfaces; textiles; wearable electronics
资金
- Henry Royce Institute for Advanced Materials through EPSRC grants [EP/R00661X/1, EP/P025021/1, EP/P025498/1]
- EPSRC [EP/N007921/1, EP/S032886/1]
- EPSRC [EP/P025021/1, EP/N007921/1, EP/S032886/1] Funding Source: UKRI
Intelligent human-machine interfaces (HMIs) integrated wearable electronics are essential to promote the Internet of Things (IoT). Herein, a curcumin-assisted electroless deposition technology is developed for the first time to achieve stretchable strain sensing yarns (SSSYs) with high conductivity (0.2 omega cm(-1)) and ultralight weight (1.5 mg cm(-1)). The isotropically deposited structural yarns can bear high uniaxial elongation (>>1100%) and still retain low resistivity after 5000 continuous stretching-releasing cycles under 50% strain. Apart from the high flexibility enabled by helical loaded structure, a precise strain sensing function can be facilitated under external forces with metal-coated conductive layers. Based on the mechanics analysis, the strain sensing responses are scaled with the dependences on structural variables and show good agreements with the experimental results. The application of interfacial enhanced yarns as wearable logic HMIs to remotely control the robotic hand and manipulate the color switching of light on the basis of gesture recognition is demonstrated. It is hoped that the SSSYs strategy can shed an extra light in future HMIs development and incoming IoT and artificial intelligence technologies.
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