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High precision epidermal radio frequency antenna via nanofiber network for wireless stretchable multifunction
Yufei Zhang1,2, Zhihao Huo1,2, Xiandi Wang3,4
1CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, 100083, Beijing, China.
Nature Communications
|November 7, 2020
Summary
Highly stretchable transparent wireless electronics using silver nanofiber coils enable efficient human-machine interaction. These devices maintain performance under significant strain, offering potential for advanced healthcare and robotics applications.
Area of Science:
- Materials Science
- Electrical Engineering
- Nanotechnology
Background:
- Stretchable electronics and wireless technology are vital for human-machine interfaces.
- Existing technologies face limitations in flexibility and wireless performance under strain.
Purpose of the Study:
- To develop highly stretchable, transparent wireless electronic devices.
- To optimize radio frequency properties for reliable power transfer and communication under strain.
Main Methods:
- Fabrication of patterned silver nanofiber electrodes using lithography and wet etching.
- Analysis of coil quality factor and radio frequency properties under varying strain.
- Integration of near-field communication and frequency modulation technologies.
Main Results:
- Demonstrated highly stretchable transparent wireless electronics with silver nanofiber coils.
- Wireless transmission efficiency dropped by only 50% at 100% strain (10 MHz).
- Developed functional wireless electronics for content recognition and long-distance (>1m) transmission.
Conclusions:
- The proposed stretchable wireless electronics show significant potential for applications.
- Potential applications include artificial electronic skins, human healthcare monitoring, and soft robotics.
