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In Situ Study the D...
In Situ Study the Dynamics of Blade-Coated All-Polymer Bulk Heterojunction Formation and Impact on Photovoltaic Performance of Solar Cells
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- Yao, Nannan (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Fan, Qunping, 1989 (author)
- Chalmers University of Technology,Chalmers tekniska högskola,Chalmers Univ Technol, Sweden
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- Wolkeba, Zewdneh Genene, 1983 (author)
- Chalmers University of Technology,Chalmers tekniska högskola,Chalmers Univ Technol, Sweden
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- Liu, Heng (author)
- The Chinese University of Hong Kong, Hong Kong,Chinese University of Hong Kong,Chinese Univ Hong Kong, Peoples R China
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- Xia, Yuxin, 1986- (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Wen, Guanzhao (author)
- Guangzhou University, China,Guangzhou Univ, Peoples R China
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- Yuan, Yusheng (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Moons, Ellen, professor, 1966- (author)
- Karlstads universitet,Institutionen för ingenjörsvetenskap och fysik (from 2013),Karlstad University,Karlstad Univ, Sweden
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- van Stam, Jan, 1958- (author)
- Karlstads universitet,Institutionen för ingenjörs- och kemivetenskaper (from 2013),Karlstad University,Karlstad Univ, Sweden
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- Zhang, Wei (author)
- Guangzhou University, China,Guangzhou Univ, Peoples R China
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- Lu, Xinhui (author)
- The Chinese University of Hong Kong, Hong Kong,Chinese University of Hong Kong,Chinese Univ Hong Kong, Peoples R China
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- Wang, Ergang, 1981 (author)
- Chalmers University of Technology,Chalmers tekniska högskola,Chalmers Univ Technol, Sweden
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- Zhang, Fengling (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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(creator_code:org_t)
- 2023-01-26
- 2023
- English.
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In: Solar RRL. - : John Wiley & Sons. - 2367-198X. ; , s. 1-8
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Abstract
Subject headings
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- All-polymer solar cells (all-PSCs) have achieved impressive progress by employing acceptors polymerized from well performing small-molecule non-fullerene acceptors. Herein, the device performance and morphology evolution in blade-coated all-PSCs based on PBDBT:PF5–Y5 blends prepared from two different solvents, chlorobenzene (CB), and ortho-xylene (o-XY) are studied. The absorption spectra in CB solution indicate more ordered conformation for PF5–Y5. The drying process of PBDBT:PF5–Y5 blends is monitored by in situ multifunctional spectroscopy and the final film morphology is characterized with ex situ techniques. Finer-mixed donor/acceptor nanostructures are obtained in CB-cast film than that in o-XY-cast ones, corresponding to more efficient charge generation in the solar cells. More importantly, the conformation of polymers in solution determines the overall film morphology and the device performance. The relatively more ordered structure in CB-cast films is beneficial for charge transport and reduced non-radiative energy loss. Therefore, to achieve high-performance all-PSCs with small energy loss, it is crucial to gain favorable aggregation in the initial stage in solution.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
Keyword
- all-polymer solar cells
- blade-coated solar cells
- energetic disorder
- energy losses
- in situ photoluminescence
- morphology evolution
- Physics
- Fysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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Solar RRL
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- By the author/editor
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Yao, Nannan
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Fan, Qunping, 19 ...
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Wolkeba, Zewdneh ...
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Liu, Heng
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Xia, Yuxin, 1986 ...
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Wen, Guanzhao
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show more...
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Yuan, Yusheng
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Moons, Ellen, pr ...
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van Stam, Jan, 1 ...
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Zhang, Wei
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Lu, Xinhui
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Wang, Ergang, 19 ...
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Zhang, Fengling
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- 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 ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Other Chemistry ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Polymer Chemistr ...
- Articles in the publication
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Solar RRL
- By the university
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Karlstad University
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Chalmers University of Technology
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Linköping University