Journal
ACS NANO
Volume 11, Issue 4, Pages 3950-3956Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.7b00396
Keywords
triboelectric nanogenerator; dual-mode; tactile sensor; artificial intelligence; multiplexing
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Funding
- National Key RD Project [2016YFA0202702]
- National Natural Science Foundation of China (NSFC) [21275102, 51272011, 21575009]
- Thousands Talents Program for Pioneer Researcher and His Innovation Team, China
- National Natural Science Foundation of China [51432005]
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Triboelectric nanogenerators (TENGs) can be applied for the next generation of artificial intelligent products, where skin-like tactile sensing advances the ability of robotics to feel and interpret environment. In this paper, a flexible and thin tactile sensor was developed on the basis of dual-mode TENGs. The effective transduction of touch and pressure stimulus into independent and interpretable electrical signals permits the instantaneous sensing of location and pressure with a plane resolution of 2 mm, a high-pressure sensing sensitivity up to 28 mV.N-1, and a linear pressure detection ranging from 40 to 140 N. Interestingly, this self powered dual-mode sensor can even interpret contact and hardness of objects by analyzing the shape of the current peak, which makes this low-cost TENG-based sensor promising for applications in touch screens, electronic skins, healthcare, and environmental survey.
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