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Erschienen in: Journal of Materials Science 3/2020

10.10.2019 | Polymers & biopolymers

Antifreeze and moisturizing high conductivity PEDOT/PVA hydrogels for wearable motion sensor

verfasst von: Yinjie Peng, Bin Yan, Yueshan Li, Ji Lan, Lingying Shi, Rong Ran

Erschienen in: Journal of Materials Science | Ausgabe 3/2020

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Abstract

Conductive hydrogel has shown significant promise in the field of wearable devices. However, the mediocre antifreezing property and relatively low strain sensitivity limit the application of these gels. Herein, we developed a multifunctional hydrogel sensor based on a polyvinyl alcohol substrate with poly(3,4-ethylenedioxythiophene) as the conductive filler and a glycerin/water component solvent as the dispersion medium. The resulting optimal sample exhibits attractive combination of high tensile stress (~ 1.0 MPa), large elongation (> 400%), reasonable conductivity (~ 3.5 S m−1), while the glycerin/water solvent enable the hydrogel with a great antifreezing and moisturizing property. Accordingly, it was envisioned that the valid design method for conductive hydrogels with antifreeze, toughness, and moisturizing properties would provide wide utilizations of flexible wearable strain sensor.

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Metadaten
Titel
Antifreeze and moisturizing high conductivity PEDOT/PVA hydrogels for wearable motion sensor
verfasst von
Yinjie Peng
Bin Yan
Yueshan Li
Ji Lan
Lingying Shi
Rong Ran
Publikationsdatum
10.10.2019
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 3/2020
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-019-04101-7

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