Highly Sensitive, Transparent, and Durable Pressure Sensors Based on Sea-Urchin Shaped Metal Nanoparticles

Highly sensitive, transparent, and durable pressure sensors are fabricated using sea‐urchin‐shaped metal nanoparticles and insulating polyurethane elastomer. The pressure sensors exhibit outstanding sensitivity (2.46 kPa−1), superior optical transmittance (84.8% at 550 nm), fast response/relaxation...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2016-11, Vol.28 (42), p.9364-9369
Main Authors: Lee, Donghwa, Lee, Hyungjin, Jeong, Youngjun, Ahn, Yumi, Nam, Geonik, Lee, Youngu
Format: Article
Language:English
Subjects:
Durability
elastomers
Movements
Muscles
Nanoparticles
Opacity
piezoresistivity
Polyurethane resins
Pressure sensors
quantum tunneling
sea-urchin shaped metal nanoparticles
Sensitivity
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Summary:Highly sensitive, transparent, and durable pressure sensors are fabricated using sea‐urchin‐shaped metal nanoparticles and insulating polyurethane elastomer. The pressure sensors exhibit outstanding sensitivity (2.46 kPa−1), superior optical transmittance (84.8% at 550 nm), fast response/relaxation time (30 ms), and excellent operational durability. In addition, the pressure sensors successfully detect minute movements of human muscles.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201603526