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“Double-Cable” Conj...
“Double-Cable” Conjugated Polymers with Linear Backbone toward High Quantum Efficiencies in Single-Component Polymer Solar Cells
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- Feng, Guitao (författare)
- Chinese Academic Science, Peoples R China; University of Chinese Academic Science, Peoples R China
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- Li, Junyu (författare)
- DSM DMSC RandD Solut, Netherlands
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- Colberts, Fallon J. M. (författare)
- Eindhoven University of Technology, Netherlands
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- Li, Mengmeng (författare)
- Eindhoven University of Technology, Netherlands; Eindhoven University of Technology, Netherlands
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- Zhang, Jianqi (författare)
- National Centre Nanosci and Technology, Peoples R China
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- Yang, Fan (författare)
- Chinese Academic Science, Peoples R China; University of Chinese Academic Science, Peoples R China
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- Jin, Yingzhi (författare)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Zhang, Fengling (författare)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Janssen, Rene A. J. (författare)
- Eindhoven University of Technology, Netherlands; Eindhoven University of Technology, Netherlands
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- Li, Cheng (författare)
- Chinese Academic Science, Peoples R China
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- Li, Weiwei (författare)
- Chinese Academic Science, Peoples R China
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(creator_code:org_t)
- 2017-12-13
- 2017
- Engelska.
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Ingår i: Journal of the American Chemical Society. - : AMER CHEMICAL SOC. - 0002-7863 .- 1520-5126. ; 139:51, s. 18647-18656
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https://liu.diva-por... (primary) (Raw object)
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https://pure.tue.nl/...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A series of "double-cable" conjugated polymers were developed for application in efficient single-component polymer solar cells, in which high quantum efficiencies could be achieved due to the optimized nanophase separation between donor and acceptor parts. The new double-cable polymers contain electron-donating poly(benzodithiophene) (BDT) as linear conjugated backbone for hole transport and pendant electron-deficient perylene bisimide (PBI) units for electron transport, connected via a dodecyl linker. Sulfur and fluorine substituents were introduced to tune the energy levels and crystallinity of the conjugated polymers. The double-cable polymers adopt a "face-on" orientation in which the conjugated BDT backbone and the pendant PBI units have a preferential pi-pi stacking direction perpendicular to the substrate, favorable for interchain charge transport normal to the plane. The linear conjugated backbone acts as a scaffold for the crystallization of the PBI groups, to provide a double-cable nanophase separation of donor and acceptor phases. The optimized nanophase separation enables efficient exciton dissociation as well as charge transport as evidenced from the high-up to 80%-internal quantum efficiency for photon-to-electron conversion. In single-component organic solar cells, the double-cable polymers provide power conversion efficiency up to 4.18%. This is one of the highest performances in single-component organic solar cells. The nanophase-separated design can likely be used to achieve high-performance single-component organic solar cells.
Ämnesord
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
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Feng, Guitao
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Li, Junyu
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Colberts, Fallon ...
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Li, Mengmeng
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Zhang, Jianqi
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Yang, Fan
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visa fler...
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Jin, Yingzhi
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Zhang, Fengling
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Janssen, Rene A. ...
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Li, Cheng
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Li, Weiwei
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visa färre...
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- NATURVETENSKAP
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