Journal
ACS NANO
Volume 11, Issue 8, Pages 8364-8369Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.7b03680
Keywords
transparent and flexible; triboelectric nanogenerator; tactile sensor; spatial mapping; motion monitoring
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Funding
- National Key R&D Project from the Minister of Science and Technology, China [2016YFA0202702]
- Natural Science Foundation of China (NSFC) [21274006, 51503005]
- Programs for Beijing Science and Technology Leading Talent [Z16111000490000]
- Thousands Talents Program for Pioneer Researcher and His Innovation Team, China
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Tactile sensors with large-scale array and high sensitivity is essential for human machine interaction, smart wearable devices, and mobile networks. Here, a transparent and flexible triboelectric sensing array (TSA) with fingertip-sized pixels is demonstrated by integrating ITO electrodes, FEP film, and signal transmission circuits on an undivided palm-sized polyethylene terephthalate substrate. The sensing pixels can be triggered by the corresponding external contact to induce the electrostatic potential in the transparent electrodes without power consumption, which is individually recognized by the sensor. By testing the response of the pixels, the electrical characterization is systematically investigated. The proposed TSA exhibits excellent durability, independence, and synchronicity, which is able to realize real-time touch sensing, spatial mapping, and motion monitoring. The integrated TSA has great potential for an active tactile system, human machine interface, wearable electronics, private communication, and advanced security identification.
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