Graphene-interfaced flexible and stretchable micro-nano electrodes: from fabrication to sweat glucose detection

Qureshi, Anjum and Kolkar, Javed (2023) Graphene-interfaced flexible and stretchable micro-nano electrodes: from fabrication to sweat glucose detection. Materials Horizons, 10 (5). pp. 1580-1607. ISSN 2051-6347 (Print) 2051-6355 (Online)

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Flexible and stretchable wearable electronic devices have received tremendous attention for their non-invasive and personal health monitoring applications. These devices have been fabricated by integrating flexible substrates and graphene nanostructures for non-invasive detection of physiological risk biomarkers from human bodily fluids, such as sweat, and monitoring of human physical motion tracking parameters. The extraordinary properties of graphene nanostructures in fully integrated wearable devices have enabled improved sensitivity, electronic readouts, signal conditioning and communication, energy harvesting from power sources through electrode design and patterning, and graphene surface modification or treatment. This review explores advances made toward the fabrication of graphene-interfaced wearable sensors, flexible and stretchable conductive graphene electrodes, as well as their potential applications in electrochemical sensors and field-effect-transistors (FETs) with special emphasis on monitoring sweat biomarkers, mainly in glucose-sensing applications. The review emphasizes flexible wearable sweat sensors and provides various approaches thus far employed for the fabrication of graphene-enabled conductive and stretchable micro-nano electrodes, such as photolithography, electron-beam evaporation, laser-induced graphene designing, ink printing, chemical-synthesis and graphene surface modification. It further explores existing graphene-interfaced flexible wearable electronic devices utilized for sweat glucose sensing, and their technological potential for non-invasive health monitoring applications.
Item Type: Article
Divisions: Sabancı University Nanotechnology Research and Application Center
Depositing User: Anjum Qureshi
Date Deposited: 11 May 2023 14:31
Last Modified: 11 May 2023 14:31

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