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241216s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202415445
|2 doi
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|a pubmed24n1633.xml
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|a (NLM)39679750
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
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|a Han, Qingquan
|e verfasserin
|4 aut
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|a Acid-Induced in Situ Phase Separation and Percolation for Constructing Bi-Continuous Phase Hydrogel Electrodes With Motion-Insensitive Property
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 16.12.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 Wiley‐VCH GmbH.
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|a Conducting polymer hydrogels have gained attention in the bioelectronics field due to their unique combination of biocompatibility and customizable mechanical properties. However, achieving both excellent conductivity and mechanical strength in a hydrogel remains a significant challenge, primarily because of the inherent conflict between the hydrophobic nature of conducting polymers and the hydrophilic characteristics of hydrogels. To address this issue, this work proposes a simple one-step acid-induced approach that not only promotes the gelation of hydrophilic polymers but also facilitates the in situ phase separation of hydrophobic conducting polymers under mild conditions. This results in a distinctive bi-continuous phase structure with exceptional electrical property (906 mS cm-1) and mechanical performance (fracture strain of 1103%). The hydrogel forms robust percolating networks that maintain structural integrity under mechanical stress due to their entropic elasticity, providing remarkable strain insensitivity, low mechanical hysteresis, and an impressive resilience (95%). Electrodes fabricated from the conductive hydrogel exhibit stable and minimal interfacial contact impedance with skin (1-6 kilohms at 1-100 Hz) and significantly lower noise power (4.9 µV2). This work believes that the motion-insensitive characteristics and mechanical robustness of this hydrogel will enable efficient and reliable monitoring of biological signals, establishing a new benchmark in the bioelectronics
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|a Journal Article
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|a conducting polymers
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|a hydrogel electrodes
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|a motion artifacts
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|a phase separation
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|a wearable devices
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|a Gao, Xigang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Chao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Yajie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liang, Sen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jing, Yafeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Milin
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Anhe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bai, Shuo
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2024) vom: 16. Dez., Seite e2415445
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|u http://dx.doi.org/10.1002/adma.202415445
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