Stretchable, Skin-Mountable, and Wearable Strain Sensors and Their Potential Applications: A Review

There is a growing demand for flexible and soft electronic devices. In particular, stretchable, skin-mountable, and wearable strain sensors are needed for several potential applications including personalized health-monitoring, human motion detection, human-machine interfaces, soft robotics, and so forth. This Feature Article presents recent advancements in the development of flexible and stretchable strain sensors. The article shows that highly stretchable strain sensors are successfully being developed by new mechanisms such as disconnection between overlapped nanomaterials, crack propagation in thin films, and tunneling effect, different from traditional strain sensing mechanisms. Strain sensing performances of recently reported strain sensors are comprehensively studied and discussed, showing that appropriate choice of composite structures as well as suitable interaction between functional nanomaterials and polymers are essential for the high performance strain sensing. Next, simulation results of piezoresistivity of stretchable strain sensors by computational models are reported. Finally, potential applications of flexible strain sensors are described. This survey reveals that flexible, skin-mountable, and wearable strain sensors have potential in diverse applications while several grand challenges have to be still overcome
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2016-03
Language
ENG
Keywords

HUMAN-MOTION DETECTION; NANOTUBE-POLYMER COMPOSITES; CARBON NANOTUBES; ELECTRONIC SKIN; PIEZORESISTIVE SENSORS; SILVER NANOWIRES; HIGH-PERFORMANCE; ARTIFICIAL SKIN; THIN-FILM; TRANSPARENT

Citation

ADVANCED FUNCTIONAL MATERIALS, v.26, no.11, pp.1678 - 1698

ISSN
1616-301X
DOI
10.1002/adfm.201504755
URI
http://hdl.handle.net/10203/208756
Appears in Collection
ME-Journal Papers(저널논문)
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