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Highly conductive and elastic nanomembrane for skin electronics

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Title
Highly conductive and elastic nanomembrane for skin electronics
Author(s)
Dongjun Jung; Chaehong Lim; Hyung Joon Shim; Yeongjun Kim; Chansul Park; Jung, Jaebong; Sang Ihn Han; Sung-Hyuk Sunwoo; Kyoung Won Cho; Gi Doo Cha; Dong Chan Kim; Ja Hoon Koo; Kim, Ji Hoon; Taeghwan Hyeon; Dae-Hyeong Kim
Publication Date
2021-08-27
Journal
Science, v.373, no.6558, pp.1022 - 1026
Publisher
American Association for the Advancement of Science
Abstract
© 2021 American Association for the Advancement of Science. All rights reserved.Skin electronics require stretchable conductors that satisfy metallike conductivity, high stretchability, ultrathin thickness, and facile patternability, but achieving these characteristics simultaneously is challenging. We present a float assembly method to fabricate a nanomembrane that meets all these requirements. The method enables a compact assembly of nanomaterials at the water-oil interface and their partial embedment in an ultrathin elastomer membrane, which can distribute the applied strain in the elastomer membrane and thus lead to a high elasticity even with the high loading of the nanomaterials. Furthermore, the structure allows cold welding and bilayer stacking, resulting in high conductivity. These properties are preserved even after high-resolution patterning by using photolithography. A multifunctional epidermal sensor array can be fabricated with the patterned nanomembranes.
URI
https://pr.ibs.re.kr/handle/8788114/10778
DOI
10.1126/science.abh4357
ISSN
0036-8075
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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