Strain-Driven Auto-Detachable Patterning of Flexible Electrodes
© 2022 Wiley-VCH GmbH..
Flexible electrodes that are multilayer, multimaterial, and conformal are pivotal for multifunctional wearable electronics. Traditional electronic circuits manufacturing requires substrate-supported transfer printing, which limits their multilayer integrity and device conformability on arbitrary surfaces. Herein, a "shrinkage-assisted patterning by evaporation" (SHAPE) method is reported, by employing evaporation-induced interfacial strain mismatch, to fabricate auto-detachable, freestanding, and patternable electrodes. The SHAPE method utilizes vacuum-filtration of polyaniline/bacterial cellulose (PANI/BC) ink through a masked filtration membrane to print high-resolution, patterned, and multilayer electrodes. The strong interlayer hydrogen bonding ensures robust multilayer integrity, while the controllable evaporative shrinking property of PANI/BC induces mismatch between the strains of the electrode and filtration membrane at the interface and thus autodetachment of electrodes. Notably, a 500-layer substrateless micro-supercapacitor fabricated using the SHAPE method exhibits an energy density of 350 mWh cm-2 at a power density of 40 mW cm-2 , 100 times higher than reported substrate-confined counterparts. Moreover, a digital circuit fabricated using the SHAPE method functions stably on a deformed glove, highlighting the broad wearable applications of the SHAPE method.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:34 |
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| Enthalten in: |
Advanced materials (Deerfield Beach, Fla.) - 34(2022), 30 vom: 01. Juli, Seite e2202877 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lv, Zhisheng [VerfasserIn] |
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| Links: |
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| Themen: |
Bacterial cellulose |
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| Anmerkungen: |
Date Revised 27.07.2022 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/adma.202202877 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM341609269 |
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| 520 | |a Flexible electrodes that are multilayer, multimaterial, and conformal are pivotal for multifunctional wearable electronics. Traditional electronic circuits manufacturing requires substrate-supported transfer printing, which limits their multilayer integrity and device conformability on arbitrary surfaces. Herein, a "shrinkage-assisted patterning by evaporation" (SHAPE) method is reported, by employing evaporation-induced interfacial strain mismatch, to fabricate auto-detachable, freestanding, and patternable electrodes. The SHAPE method utilizes vacuum-filtration of polyaniline/bacterial cellulose (PANI/BC) ink through a masked filtration membrane to print high-resolution, patterned, and multilayer electrodes. The strong interlayer hydrogen bonding ensures robust multilayer integrity, while the controllable evaporative shrinking property of PANI/BC induces mismatch between the strains of the electrode and filtration membrane at the interface and thus autodetachment of electrodes. Notably, a 500-layer substrateless micro-supercapacitor fabricated using the SHAPE method exhibits an energy density of 350 mWh cm-2 at a power density of 40 mW cm-2 , 100 times higher than reported substrate-confined counterparts. Moreover, a digital circuit fabricated using the SHAPE method functions stably on a deformed glove, highlighting the broad wearable applications of the SHAPE method | ||
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| 650 | 4 | |a bacterial cellulose | |
| 650 | 4 | |a conductive polymers | |
| 650 | 4 | |a flexible electronics | |
| 650 | 4 | |a micro-supercapacitors | |
| 650 | 4 | |a patternable circuits | |
| 700 | 1 | |a Wang, Changxian |e verfasserin |4 aut | |
| 700 | 1 | |a Wan, Changjin |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Renheng |e verfasserin |4 aut | |
| 700 | 1 | |a Dai, Xiangyu |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Jiaqi |e verfasserin |4 aut | |
| 700 | 1 | |a Xia, Huarong |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Wenlong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Cao, Shengkai |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Feilong |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Haiyue |e verfasserin |4 aut | |
| 700 | 1 | |a Loh, Xian Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Xiaodong |e verfasserin |4 aut | |
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