Self-Healable and 4D Printable Hydrogel for Stretchable Electronics
© 2023 The Authors. Advanced Science published by Wiley‐VCH GmbH..
Materials with high stretchability and conductivity are used to fabricate stretchable electronics. Self-healing capability and four-dimensional (4D) printability are becoming increasingly important for these materials to facilitate their recovery from damage and endow them with stimuli-response properties. However, it remains challenging to design a single material that combines these four strengths. Here, a dually crosslinked hydrogel is developed by combining a covalently crosslinked acrylic acid (AAC) network and Fe3+ ions through dynamic and reversible ionically crosslinked coordination. The remarkable electrical sensitivity (a gauge factor of 3.93 under a strain of 1500%), superior stretchability (a fracture strain up to 1700%), self-healing ability (a healing efficiency of 88% and 97% for the mechanical and electrical properties, respectively), and 4D printability of the hydrogel are demonstrated by constructing a strain sensor, a two-dimensional touch panel, and shape-morphing structures with water-responsive behavior. The hydrogel demonstrates vast potential for applications in stretchable electronics.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:11 |
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| Enthalten in: |
Advanced science (Weinheim, Baden-Wurttemberg, Germany) - 11(2024), 13 vom: 03. Apr., Seite e2305702 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Huijun [VerfasserIn] |
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| Links: |
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| Themen: |
4D printing |
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| Anmerkungen: |
Date Revised 04.04.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/advs.202305702 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Materials with high stretchability and conductivity are used to fabricate stretchable electronics. Self-healing capability and four-dimensional (4D) printability are becoming increasingly important for these materials to facilitate their recovery from damage and endow them with stimuli-response properties. However, it remains challenging to design a single material that combines these four strengths. Here, a dually crosslinked hydrogel is developed by combining a covalently crosslinked acrylic acid (AAC) network and Fe3+ ions through dynamic and reversible ionically crosslinked coordination. The remarkable electrical sensitivity (a gauge factor of 3.93 under a strain of 1500%), superior stretchability (a fracture strain up to 1700%), self-healing ability (a healing efficiency of 88% and 97% for the mechanical and electrical properties, respectively), and 4D printability of the hydrogel are demonstrated by constructing a strain sensor, a two-dimensional touch panel, and shape-morphing structures with water-responsive behavior. The hydrogel demonstrates vast potential for applications in stretchable electronics | ||
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| 700 | 1 | |a Chng, Chin Boon |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Han |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Mao See |e verfasserin |4 aut | |
| 700 | 1 | |a Bartolo, Paulo Jorge Da Silva |e verfasserin |4 aut | |
| 700 | 1 | |a Qi, H Jerry |e verfasserin |4 aut | |
| 700 | 1 | |a Tan, Yu Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Kun |e verfasserin |4 aut | |
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