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Mechanical, Morphol...
Mechanical, Morphological, and Charge Transport Properties of NDI Polymers with Variable Built-in Π-Conjugation Lengths Probed by Simulation and Experiment
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- Zhao, Dan (författare)
- City University of Hong Kong,University of Electronic Science and Technology of China,Northwestern Univ, IL 60208 USA; Northwestern Univ, IL 60208 USA; Univ Elect Sci & Technol China, Peoples R China; City Univ Hong Kong, Peoples R China
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- Kim, Donghyun, 1986 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Sweden
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- Ghosh, Sarbani (författare)
- Birla Institute of Technology and Science Pilani,Birla Inst Technol & Sci, India
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- Wang, Gang (författare)
- Northwestern Univ, IL 60208 USA; Northwestern Univ, IL 60208 USA
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- Huang, Wei (författare)
- University of Electronic Science and Technology of China,Northwestern Univ, IL 60208 USA; Northwestern Univ, IL 60208 USA; Univ Elect Sci & Technol China, Peoples R China
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- Zhu, Zonglong (författare)
- City University of Hong Kong,City Univ Hong Kong, Peoples R China
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- Marks, Tobin J. (författare)
- Northwestern Univ, IL 60208 USA; Northwestern Univ, IL 60208 USA
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- Zozoulenko, Igor (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Linköping University
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- Facchetti, Antonio (författare)
- Georgia Institute of Technology,Northwestern Univ, IL 60208 USA; Northwestern Univ, IL 60208 USA; Georgia Inst Technol, GA 30332 USA
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(creator_code:org_t)
- WILEY-V C H VERLAG GMBH, 2024
- 2024
- Engelska.
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Ingår i: Advanced Functional Materials. - : WILEY-V C H VERLAG GMBH. - 1616-3028 .- 1616-301X. ; 34:4
- Relaterad länk:
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https://doi.org/10.1...
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https://research.cha...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Mechanically deformable polymeric semiconductors are a key material for fabricating flexible organic thin-film transistors (FOTFTs)-the building block of electronic circuits and wearable electronic devices. However, for many pi-conjugated polymers achieving mechanical deformability and efficient charge transport remains challenging. Here the effects of polymer backbone bending stiffness and film microstructure on mechanical flexibility and charge transport are investigated via experimental and computational methods for a series of electron-transporting naphthalene diimide (NDI) polymers having differing extents of pi-conjugation. The results show that replacing increasing amounts of the pi-conjugated comonomer dithienylvinylene (TVT) with the pi-nonconjugated comonomer dithienylethane (TET) in the backbone of the fully pi-conjugated polymeric semiconductor, PNDI-TVT100 (yielding polymeric series PNDI-TVTx, 100 >= x >= 0), lowers backbone rigidity, degree of texturing, and pi-pi stacking interactions between NDI moieties. Importantly, this comonomer substitution increases the mechanical robustness of PNDI-TVTx while retaining efficient charge transport. Thus, reducing the TVT content of PNDI-TVTx suppresses film crack formation and dramatically stabilizes the field-effect electron mobility upon bending (e.g., 2 mm over 2000 bending cycles). This work provides a route to tune pi-pi stacking in pi-conjugated polymers while simultaneously promoting mechanical flexibility and retaining good carrier mobility in FOTFTs.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Polymerteknologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Polymer Technologies (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- flexible organic thin-film transistors
- pi-conjugated
- pi-pi stacking
- de-conjugation
- molecular dynamics simulation
Publikations- och innehållstyp
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Zhao, Dan
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Kim, Donghyun, 1 ...
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Ghosh, Sarbani
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Wang, Gang
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Huang, Wei
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Zhu, Zonglong
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visa fler...
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Marks, Tobin J.
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Zozoulenko, Igor
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Facchetti, Anton ...
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visa färre...
- Om ämnet
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Kemiteknik
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och Polymerteknologi
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Materialkemi
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Kemiteknik
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och Annan kemiteknik
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Den kondenserade ...
- Artiklar i publikationen
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Advanced Functio ...
- Av lärosätet
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Chalmers tekniska högskola
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Linköpings universitet