Transparent and Stretchable Interactive Human Machine Interface Based on Patterned Graphene Heterostructures
- Transparent and Stretchable Interactive Human Machine Interface Based on Patterned Graphene Heterostructures
- 손동희; 임수민; 김재민; 이영범; 송준걸; 최수지; 이동준; 김지훈; 이민백; 현택환; 김대형
- Issue Date
- Advanced functional materials
- VOL 25, NO 3-383
- An interactive human-machine interface (iHMI) enables humans to control hardware and collect feedback information. In particular, wearable iHMI systems have attracted tremendous attention owing to their potential for use in personal mobile electronics and the Internet of Things. Although signifi cant progress has been made in the development of iHMI systems, those based on rigid electronics have constraints in terms of wearability, comfortability, signal-to-noise ratio (SNR), and aesthetics. Herein the fabrication of a transparent and stretchable iHMI system composed of wearable mechanical sensors and stimulators is reported. The ultrathin and lightweight design of the system allows superior wearability and high SNR. The use of conductive/piezoelectric graphene heterostructures, which consist of poly(L-lactic acid), single-walled carbon nanotubes, and silver nanowires, results in high transparency, excellent performance, and low power consumption as well as mechanical deformability. The control of a robot arm for various motions and the feedback stimulation upon successful executions of commands are demonstrated using the wearable iHMI system.
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