Ionically Conductive Hydrogel with Fast Self-Recovery and Low Residual Strain as Strain and Pressure Sensors
© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim..
Hydrogel-based sensors have attracted enormous interest due to their broad applications in wearable devices. However, existing hydrogel-based sensors cannot integrate satisfying mechanical performances with excellent conductivity to meet the requirements for practical application. Herein, an ionically conductive hydrogel with high strength, fast self-recovery, and low residual strain is constructed through a facile soaking strategy. The proposed ionically conductive double network hydrogel is achieved by combining chemically crosslinked polyacrylamide and physically crosslinked gelatin network followed by sodium citrate solution immersing. The obtained hydrogel has a tensile strength of 1.66 MPa and an elongation of 849%. The ionically conductive hydrogels can be utilized as both strain and pressure sensors with high sensitivity. Moreover, they can be used as ionic skin to monitor various human movements precisely, demonstrating their promising potential in wearable devices and flexible electronics.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:41 |
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| Enthalten in: |
Macromolecular rapid communications - 41(2020), 13 vom: 06. Juli, Seite e2000185 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Sun, Xia [VerfasserIn] |
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| Links: |
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| Themen: |
Hydrogels |
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| Anmerkungen: |
Date Completed 21.06.2021 Date Revised 21.06.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1002/marc.202000185 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM310802032 |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. | ||
| 520 | |a Hydrogel-based sensors have attracted enormous interest due to their broad applications in wearable devices. However, existing hydrogel-based sensors cannot integrate satisfying mechanical performances with excellent conductivity to meet the requirements for practical application. Herein, an ionically conductive hydrogel with high strength, fast self-recovery, and low residual strain is constructed through a facile soaking strategy. The proposed ionically conductive double network hydrogel is achieved by combining chemically crosslinked polyacrylamide and physically crosslinked gelatin network followed by sodium citrate solution immersing. The obtained hydrogel has a tensile strength of 1.66 MPa and an elongation of 849%. The ionically conductive hydrogels can be utilized as both strain and pressure sensors with high sensitivity. Moreover, they can be used as ionic skin to monitor various human movements precisely, demonstrating their promising potential in wearable devices and flexible electronics | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a hydrogels | |
| 650 | 4 | |a ionic conductivity | |
| 650 | 4 | |a pressure sensors | |
| 650 | 4 | |a self-recovery | |
| 650 | 4 | |a strain sensors | |
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| 700 | 1 | |a Yao, Fanglian |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Chenying |e verfasserin |4 aut | |
| 700 | 1 | |a Qin, Zhihui |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Haitao |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Qingyu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Dong, Xiaoru |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Yuping |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Junjie |e verfasserin |4 aut | |
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