https://scholars.lib.ntu.edu.tw/handle/123456789/631497
標題: | Fabrication of Eco-Friendly Wearable Strain Sensor Arrays via Facile Contact Printing for Healthcare Applications | 作者: | Wu, Shin Da SHAN-HUI HSU Ketelsen, Bendix Bittinger, Sophia C. Schlicke, Hendrik Weller, Horst Vossmeyer, Tobias |
關鍵字: | biodegradable polyurethane | eco-friendly electronics | gold nanoparticle | sensor arrays | wearable flexible strain sensors | 公開日期: | 1-一月-2023 | 出版社: | WILEY-V C H VERLAG GMBH | 來源出版物: | Small Methods | 摘要: | Wearable flexible strain sensors with spatial resolution enable the acquisition and analysis of complex actions for noninvasive personalized healthcare applications. To provide secure contact with skin and to avoid environmental pollution after usage, sensors with biocompatibility and biodegradability are highly desirable. Herein, wearable flexible strain sensors composed of crosslinked gold nanoparticle (GNP) thin films as the active conductive layer and transparent biodegradable polyurethane (PU) films as the flexible substrate are developed. The patterned GNP films (micrometer- to millimeter-scale square and rectangle geometry, alphabetic characters, and wave and array patterns) are transferred onto the biodegradable PU film via a facile, clean, rapid and high-precision contact printing method, without the need of a sacrificial polymer carrier or organic solvents. The GNP-PU strain sensor with low Young's modulus (≈17.8 MPa) and high stretchability showed good stability and durability (10 000 cycles) as well as degradability (42% weight loss after 17 days at 74 °C in water). The GNP-PU strain sensor arrays with spatiotemporal strain resolution are applied as wearable eco-friendly electronics for monitoring subtle physiological signals (e.g., mapping of arterial lines and sensing pulse waveforms) and large-strain actions (e.g., finger bending). |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/631497 | ISSN: | 2366-9608 | DOI: | 10.1002/smtd.202300170 |
顯示於: | 高分子科學與工程學研究所 |
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