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Computational analysis of metallic nanowire-elastomer nanocomposite based strain sensors

Possessing a strong piezoresistivity, nanocomposites of metal nanowires and elastomer have been studied extensively for its use in highly flexible, stretchable, and sensitive sensors. In this work, we analyze the working mechanism and performance of a nanocomposite based stretchable strain sensor by calculating the conductivity of the nanowire percolation network as a function of strain. We reveal that the nonlinear piezoresistivity is attributed to the topological change of percolation network, which leads to a bottleneck in the electric path.

mortezaamjadi's picture

Ultra-stretchable and skin-mountable strain sensors using carbon nanotubes–Ecoflex nanocomposites

Super-stretchable, skin-mountable, and ultra-soft strain sensors are presented by using carbon nanotube percolation networksilicone rubber nanocomposite thin films. The applicability of the
strain sensors as epidermal electronic systems, in which mechanical compliance like human skin and high stretchability (e > 100%) are required, has been explored. The sensitivity of the strain

Postdoc opportunity at Harvard in mechanics of soft materials for wearable devices

The Wyss Institute for Biologically Inspired Engineering and the School
of Engineering and Applied Science at Harvard University invites
applications for immediate openings for a joint postdoctoral fellow
position between the Whitesides Group (Prof. George Whitesides) and the
Harvard Biodesign Lab (Prof. Conor Walsh). The research is expected to
involve material science and mechanics of soft materials with a focus on
developing novel materials (e.g. actively variable stiffness, flexible

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