Journal
CHEMISTRY LETTERS
Volume 48, Issue 10, Pages 1206-1208Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.190496
Keywords
Piezoresistive pressure sensor; Silver-coated polystyrene microspheres; Ultrahigh sensitivity
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Funding
- National Natural Science Foundation of China [61773372]
- Jiangsu Province Outstanding Youth Foundation [BK20160058]
- Jiangsu Province Basic Research Program (Natural Science Foundation) [BK20170427]
- Chinese Academy of Sciences
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A novel piezoresistive pressure sensor based on silver-coated polystyrene (Ag@PS) microspheres filled in a poly-dimethylsiloxane (PDMS) substrate with a cavity was successfully manufactured. This sensor possesses ultrahigh sensitivity of 33.8 kPa(-1), fast response time of 96 ms, low limit of detection (LOD) of 3 Pa, excellent cycle stability of 5000 cycles, and wide detection range (3 Pa-60 kPa). Moreover, we have further explored the practical applications of this pressure sensor in electronic skin.
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