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Mechanically Adapti...
Mechanically Adaptive Mixed Ionic-Electronic Conductors Based on a Polar Polythiophene Reinforced with Cellulose Nanofibrils
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- Mone, Mariza, 1992 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Sweden; Chalmers Univ Technol, Sweden
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- Kim, Youngseok, 1989 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Sweden
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- Darabi, Sozan, 1994 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Sweden; Chalmers Univ Technol, Sweden
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- Zokaei, Sepideh, 1991 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Sweden
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- Karlsson, Lovisa, 1994 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Sweden
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- Craighero, Mariavittoria, 1995 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Sweden
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- Fabiano, Simone (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Wallenberg Wood Science Center,Linköping University
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- Kroon, Renee, 1982 (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Wallenberg Wood Science Center,Linköping University
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- Müller, Christian, 1980 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Sweden; Chalmers Univ Technol, Sweden
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(creator_code:org_t)
- AMER CHEMICAL SOC, 2023
- 2023
- Engelska.
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Ingår i: ACS Applied Materials & Interfaces. - : AMER CHEMICAL SOC. - 1944-8252 .- 1944-8244. ; 15:23, s. 28300-28309
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https://liu.diva-por... (primary) (Raw object)
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Conjugated polymers with oligoether side chains are promising mixed ionic-electronic conductors, but they tend to feature a low glass transition temperature and hence a low elastic modulus, which prevents their use if mechanical robust materials are required. Carboxymethylated cellulose nanofibrils (CNF) are found to be a suitable reinforcing agent for a soft polythiophene with tetraethylene glycol side chains. Dry nanocomposites feature a Young’s modulus of more than 400 MPa, which reversibly decreases to 10 MPa or less upon passive swelling through water uptake. The presence of CNF results in a slight decrease in electronic mobility but enhances the ionic mobility and volumetric capacitance, with the latter increasing from 164 to 197 F cm-3 upon the addition of 20 vol % CNF. Overall, organic electrochemical transistors (OECTs) feature a higher switching speed and a transconductance that is independent of the CNF content up to at least 20 vol % CNF. Hence, CNF-reinforced conjugated polymers with oligoether side chains facilitate the design of mechanically adaptive mixed ionic-electronic conductors for wearable electronics and bioelectronics.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Polymerteknologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Polymer Technologies (hsv//eng)
Nyckelord
- cellulose nanofibrils (CNF)
- organic mixed ionic-electronic conductors
- chemical doping
- organic electrochemical transistor (OECT)
- conjugated polymer
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Mone, Mariza, 19 ...
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Kim, Youngseok, ...
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Darabi, Sozan, 1 ...
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Zokaei, Sepideh, ...
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Karlsson, Lovisa ...
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Craighero, Maria ...
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Fabiano, Simone
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Kroon, Renee, 19 ...
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Müller, Christia ...
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