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Individual nanostru...
Individual nanostructure optimization in donor and acceptor phases to achieve efficient quaternary organic solar cells
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- Bi, Zhaozhao (author)
- Xi An Jiao Tong Univ, Peoples R China
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- Naveed, Hafiz Bilal (author)
- Xi An Jiao Tong Univ, Peoples R China
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- Sui, Xinyu (author)
- CAS Ctr Excellence Nanosci, Peoples R China
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- Zhu, Qinglian (author)
- Xi An Jiao Tong Univ, Peoples R China
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- Xu, Xianbin (author)
- Xi An Jiao Tong Univ, Peoples R China
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- Gou, Lu (author)
- Xi An Jiao Tong Univ, Peoples R China
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- Liu, Yanfeng (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Zhou, Ke (author)
- Xi An Jiao Tong Univ, Peoples R China
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- Zhang, Lei (author)
- Xi An Jiao Tong Univ, Peoples R China
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- Zhang, Fengling (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Liu, Xinfeng (author)
- CAS Ctr Excellence Nanosci, Peoples R China
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- Ma, Wei (author)
- Xi An Jiao Tong Univ, Peoples R China
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(creator_code:org_t)
- ELSEVIER, 2019
- 2019
- English.
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In: Nano Energy. - : ELSEVIER. - 2211-2855 .- 2211-3282. ; 66
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http://liu.diva-port...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Fullerene derivative (PC71BM) and high crystallinity molecule (DR3TBDTT) are employed into PTB7-Th:FOIC based organic solar cells (OSCs) to cooperate an individual nanostructure optimized quaternary blend. PC71BM functions as molecular adjuster and phase modifier promoting FOIC forming "head-to-head" molecular packing and neutralizing the excessive FOIC crystallites. A multi-scale modified morphology is present thanks to the mixture of FOIC and PC71BM while DR3TBDTT disperses into PTB7-Th matrix to reinforce donors crystal-linity and enhance domain purity. Morphology characterization highlights the importance of individually optimizated nanostructures for donor and acceptor, which contributes to efficient hole and electron transport toward improved carrier mobilities and suppressed non-geminated recombination. Therefore, a power conversion efficiency of 13.51% is realized for a quaternary device which is 16% higher than the binary device (PTB7-Th:FOIC). This work demonstrates that utilizing quaternary strategy for simultaneous optimization of donor and acceptor phases is a feasible way to realize high efficient OSCs.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Hierarchical morphology optimization; Carrier dynamics; Quaternary organic solar cells; Fullerene; Non-fullerene
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Bi, Zhaozhao
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Naveed, Hafiz Bi ...
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Sui, Xinyu
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Zhu, Qinglian
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Xu, Xianbin
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Gou, Lu
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show more...
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Liu, Yanfeng
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Zhou, Ke
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Zhang, Lei
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Zhang, Fengling
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Liu, Xinfeng
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Ma, Wei
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Nano Energy
- By the university
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Linköping University