Facile Fabrication of “Tacky”, Stretchable, and Aligned Carbon Nanotube Sheet-Based Electronics for On-Skin Health MonitoringClick to copy article linkArticle link copied!
- Duy Van Nguyen*Duy Van Nguyen*Email: [email protected]School of Engineering, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaCentre for Future Materials, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaMore by Duy Van Nguyen
- Dean MillsDean MillsSchool of Health and Medical Sciences, University of Southern Queensland, Brisbane 4305, Queensland, AustraliaMore by Dean Mills
- Canh-Dung TranCanh-Dung TranSchool of Engineering, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaMore by Canh-Dung Tran
- Thanh NguyenThanh NguyenSchool of Engineering, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaCentre for Future Materials, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaMore by Thanh Nguyen
- Hung NguyenHung NguyenSchool of Engineering, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaCentre for Future Materials, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaMore by Hung Nguyen
- Thi Lap TranThi Lap TranSchool of Engineering, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaCentre for Future Materials, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaMore by Thi Lap Tran
- Pingan SongPingan SongCentre for Future Materials, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaMore by Pingan Song
- Hoang-Phuong PhanHoang-Phuong PhanSchool of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney 1466, New South Wales, AustraliaMore by Hoang-Phuong Phan
- Nam-Trung NguyenNam-Trung NguyenQueensland Micro- and Nanotechnology Centre, Griffith University, Brisbane 4111, Queensland, AustraliaMore by Nam-Trung Nguyen
- Dzung Viet DaoDzung Viet DaoQueensland Micro- and Nanotechnology Centre, Griffith University, Brisbane 4111, Queensland, AustraliaGriffith School of Engineering, Griffith University, Gold Coast 4125, Queensland, AustraliaMore by Dzung Viet Dao
- John BellJohn BellCentre for Future Materials, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaMore by John Bell
- Toan Dinh*Toan Dinh*Email: [email protected]School of Engineering, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaCentre for Future Materials, University of Southern Queensland, Brisbane 4300, Queensland, AustraliaMore by Toan Dinh
Abstract
Point-of-care monitoring of physiological signals such as electrocardiogram, electromyogram, and electroencephalogram is essential for prompt disease diagnosis and quick treatment, which can be realized through advanced skin-worn electronics. However, it is still challenging to design an intimate and nonrestrictive skin-contact device for physiological measurements with high fidelity and artifact tolerance. This research presents a facile method using a “tacky” surface to produce a tight interface between the ACNT skin-like electronic and the skin. The method provides the skin-worn electronic with a stretchability of up to 70% strain, greater than that of most common epidermal electrodes. Low-density ACNT bundles facilitate the infiltration of adhesive and improve the conformal contact between the ACNT sheet and the skin, while dense ACNT bundles lessen this effect. The stretchability and conformal contact allow the ACNT sheet-based electronics to create a tight interface with the skin, which enables the high-fidelity measurement of physiological signals (the Pearson’s coefficient of 0.98) and tolerance for motion artifacts. In addition, our method allows the use of degradable substrates to enable reusability and degradability of the electronics based on ACNT sheets, integrating “green” properties into on-skin electronics.
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