Journal
ELECTROANALYSIS
Volume 27, Issue 3, Pages 562-572Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201400537
Keywords
Wearable sensors; Non-invasive monitoring; Printable flexible devices; Skin; Screen printing; Biofuel cells; Batteries; Electrochemical sensors
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Funding
- Nano-Bio Manufacturing Consortium
- Samsung Inc.
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This article provides an overview of the recent advances in the field of skin-worn tattoo-based wearable electrochemical devices, including electrolyte and metabolite sensors, biofuel cells and batteries. Temporary tattoos are attractive platforms for fabricating skin-worn devices. Body-compliant wearable electrochemical devices on temporary tattoos couple highly favorable substrate-skin elasticity with an attractive electrochemical performance. For example, tattoo-based skin-like sensors can be used for real-time non-invasive analysis of key electrolytes and metabolites, leading to remarkable sensing capabilities. Continued progress has been made also towards developing skin-worn flexible energy harvesting and storage devices to power wearable health monitors and other devices. Key requirements and challenges that confront researchers in this exciting area of skin-worn electrochemical devices are discussed.
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