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Electrically Conduc...
Electrically Conducting Elastomeric Fibers with High Stretchability and Stability
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- Zokaei, Sepideh, 1991 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Craighero, Mariavittoria, 1995 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Cea, Claudia (författare)
- Columbia University in the City of New York
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- Kneissl, Lucas Maximilian, 1995 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Kroon, Renee, 1982 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Khodagholy, Dion (författare)
- Columbia University in the City of New York
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- Lund, Anja, 1971 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Müller, Christian, 1980 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2021-11-23
- 2022
- Engelska.
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Ingår i: Small. - : Wiley. - 1613-6810 .- 1613-6829. ; 18:5
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://onlinelibrar...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- Stretchable conducting materials are appealing for the design of unobtrusive wearable electronic devices. Conjugated polymers with oligoethylene glycol side chains are excellent candidate materials owing to their low elastic modulus and good compatibility with polar stretchable polymers. Here, electrically conducting elastomeric blend fibers with high stretchability, wet spun from a blend of a doped polar polythiophene with tetraethylene glycol side chains and a polyurethane are reported. The wet-spinning process is versatile, reproducible, scalable, and produces continuous filaments with a diameter ranging from 30 to 70 µm. The fibers are stretchable up to 480% even after chemical doping with iron(III) p-toluenesulfonate hexahydrate and exhibit an electrical conductivity of up to 7.4 S cm−1, which represents a record combination of properties for conjugated polymer-based fibers. The fibers remain conductive during elongation until fiber fracture and display excellent long-term stability at ambient conditions. Cyclic stretching up to 50% strain for at least 400 strain cycles reveals that the doped fibers exhibit high cyclic stability and retain their electrical conductivity. Finally, a directional strain sensing device, which makes use of the linear increase in resistance of the fibers up to 120% strain is demonstrated.
Ämnesord
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Polymerteknologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Polymer Technologies (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Textil-, gummi- och polymermaterial (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Textile, Rubber and Polymeric Materials (hsv//eng)
Nyckelord
- electrical stretchability
- conjugated polymers
- polyurethane
- electronic textiles
- elastomer fibers
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Craighero, Maria ...
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Cea, Claudia
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Kroon, Renee, 19 ...
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Khodagholy, Dion
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Lund, Anja, 1971
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