On-skin ultrathin and stretchable multifunctional sensor for smart healthcare wearables

Autor: Shipeng Zhang, Ashok Chhetry, Md. Abu Zahed, Sudeep Sharma, Chani Park, Sanghyuk Yoon, Jae Y. Park
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: npj Flexible Electronics, Vol 6, Iss 1, Pp 1-12 (2022)
Druh dokumentu: article
ISSN: 2397-4621
DOI: 10.1038/s41528-022-00140-4
Popis: Abstract The flexible and stretchable multifunctional sensors for the precise monitoring of the human physiological health indicators is an emerging requirement of next-generation electronics. However, the integration of multifunctional sensors into a common substrate for simultaneous detection of such signals without interfering with each other is the most challenging work. Here, we propose MXene-Ti3C2Tx and 3, 4-ethylene dioxythiophene (EDOT) deposited on laser-induced graphene (LIG/MXene-Ti3C2Tx@EDOT) composite-based flexible and stretchable multifunctional sensors for strain, temperature, and electrocardiogram (ECG) monitoring. In-situ electrophoretic deposition (EPD) of MXene-Ti3C2Tx@EDOT composite into LIG outperforms high strain sensitivity of 2,075, temperature coefficient of resistance (TCR) of 0.86%, and low skin-contact impedance. The sensor platform is integrated into an ultrathin and highly resilient polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene (SEBS). Finally, we demonstrate on-site detection of human body-induced deformations and physiological health indicators, such as temperature and ECG. The proposed approach paves a promising route to future wearables for smart skin and healthcare applications.
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