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Polymorphism in Non...
Polymorphism in Non-Fullerene Acceptors Based on Indacenodithienothiophene
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- Marina, Sara (författare)
- Universidad del Pais Vasco / Euskal Herriko Unibertsitatea,University of the Basque Country (UPV/EHU)
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- Scaccabarozzi, Alberto D. (författare)
- Fondazione Istituto Italiano di Tecnologia,King Abdullah University of Science and Technology (KAUST)
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- Gutierrez-Fernandez, Edgar (författare)
- Universidad del Pais Vasco / Euskal Herriko Unibertsitatea,University of the Basque Country (UPV/EHU)
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- Solano, Eduardo (författare)
- El Sincrotrón ALBA,ALBA Synchrotron Light Facility
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- Khirbat, Aditi (författare)
- Georgia Institute of Technology
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- Ciammaruchi, Laura (författare)
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC),Institute of Material Science of Barcelona (ICMAB)
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- Iturrospe, Amaia (författare)
- Centro de Física de Materiales (CSIC-UPV/EHU)
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- Balzer, Alex (författare)
- Georgia Institute of Technology
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- Yu, Liyang, 1986 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Gabirondo, Elena (författare)
- Universidad del Pais Vasco / Euskal Herriko Unibertsitatea,University of the Basque Country (UPV/EHU)
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- Monnier, Xavier (författare)
- Donostia International Physics Center,Centro de Física de Materiales (CSIC-UPV/EHU)
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- Sardon, Haritz (författare)
- Universidad del Pais Vasco / Euskal Herriko Unibertsitatea,University of the Basque Country (UPV/EHU)
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- Anthopoulos, Thomas D. (författare)
- King Abdullah University of Science and Technology (KAUST)
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- Caironi, Mario (författare)
- Fondazione Istituto Italiano di Tecnologia
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- Campoy-Quiles, Mariano (författare)
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC),Institute of Material Science of Barcelona (ICMAB)
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- Müller, Christian, 1980 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Cangialosi, Daniele (författare)
- Centro de Física de Materiales (CSIC-UPV/EHU)
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- Stingelin, Natalie (författare)
- Georgia Institute of Technology,Université de Bordeaux,University of Bordeaux
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- Martin, Jaime (författare)
- Basque Foundation for Science (Ikerbasque),Universidade da Coruña,University of A Coruña,Universidad del Pais Vasco / Euskal Herriko Unibertsitatea,University of the Basque Country (UPV/EHU)
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(creator_code:org_t)
- 2021-05-13
- 2021
- Engelska.
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Ingår i: Advanced Functional Materials. - : Wiley. - 1616-3028 .- 1616-301X. ; 31:29
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://onlinelibrar...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Organic solar cells incorporating non-fullerene acceptors (NFAs) have reached remarkable power conversion efficiencies of over 18%. Unlike fullerene derivatives, NFAs tend to crystallize from solutions, resulting in bulk heterojunctions that include a crystalline acceptor phase. This must be considered in any morphology-function models. Here, it is confirmed that high-performing solution-processed indacenodithienothiophene-based NFAs, i.e., ITIC and its derivatives ITIC-M, ITIC-2F, and ITIC-Th, exhibit at least two crystalline forms. In addition to highly ordered polymorphs that form at high temperatures, NFAs arrange into a low-temperature metastable phase that is readily promoted via solution processing and leads to the highest device efficiencies. Intriguingly, the low-temperature forms seem to feature a continuous network that favors charge transport despite of a poorly order along the pi-pi stacking direction. As the optical absorption of the structurally more disordered low-temperature phase can surpass that of the more ordered polymorphs while displaying comparable-or even higher-charge transport properties, it is argued that such a packing structure is an important feature for reaching highest device efficiencies, thus, providing guidelines for future materials design and crystal engineering activities.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- organic electronics
- polimorphism
- non-fullerene acceptors
- organic solar cells
- organic semiconductors
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Marina, Sara
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Scaccabarozzi, A ...
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Gutierrez-Fernan ...
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Solano, Eduardo
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Khirbat, Aditi
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Ciammaruchi, Lau ...
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visa fler...
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Iturrospe, Amaia
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Balzer, Alex
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Yu, Liyang, 1986
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Gabirondo, Elena
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Monnier, Xavier
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Sardon, Haritz
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Anthopoulos, Tho ...
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Caironi, Mario
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Campoy-Quiles, M ...
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Müller, Christia ...
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Cangialosi, Dani ...
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Stingelin, Natal ...
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Martin, Jaime
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- Om ämnet
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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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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Annan fysik
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Den kondenserade ...
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Chalmers tekniska högskola