Long-term reliable physical health monitoring by sweat pore-inspired perforated electronic skins

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Electronic skins (e-skins)-electronic sensors mechanically compliant to human skin-have long been developed as an ideal electronic platform for noninvasive human health monitoring. For reliable physical health monitoring, the interface between the e-skin and human skin must be conformal and intact consistently. However, conventional e-skins cannot perfectly permeate sweat in normal day-to-day activities, resulting in degradation of the intimate interface over time and impeding stable physical sensing. Here, we present a sweat pore-inspired perforated e-skin that can effectively suppress sweat accumulation and allow inorganic sensors to obtain physical health information without malfunctioning. The auxetic dumbbell through-hole patterns in perforated e-skins lead to synergistic effects on physical properties including mechanical reliability, conformability, areal mass density, and adhesion to the skin. The perforated e-skin allows one to laminate onto the skin with consistent homeostasis, enabling multiple inorganic sensors on the skin to reliably monitor the wearer's health over a period of weeks.
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Issue Date
2021-06
Language
English
Article Type
Article
Citation

SCIENCE ADVANCES, v.7, no.27

ISSN
2375-2548
DOI
10.1126/sciadv.abg8459
URI
http://hdl.handle.net/10203/286738
Appears in Collection
ME-Journal Papers(저널논문)
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