Highly stretchable and ultrathin nanopaper composites for epidermal strain sensors.

Sun J, Zhao Y, Yang Z, Shen J, Cabrera E, Lertola MJ, Yang W, Zhang D, Benatar A, Castro JM, Wu D, Lee LJ
Nanotechnology 29 355304 08/31/2018


Multifunctional electronics are attracting great interest with the increasing demand and fast development of wearable electronic devices. Here, we describe an epidermal strain sensor based on an all-carbon conductive network made from multi-walled carbon nanotubes (MWCNTs) impregnated with poly(dimethyl siloxane) (PDMS) matrix through a vacuum filtration process. An ultrasonication treatment was performed to complete the penetration of PDMS resin in seconds. The entangled and overlapped MWCNT network largely enhances the electrical conductivity (1430 S m

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