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240322s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202314169
|2 doi
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|a pubmed24n1476.xml
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|a (DE-627)NLM370011791
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|a (NLM)38511599
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhu, Yuhang
|e verfasserin
|4 aut
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| 245 |
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|a Polymerizing M-Series Acceptors for Efficient Polymer Solar Cells
|b Effect of the Molecular Shape
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 20.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Currently, high-performance polymerized small-molecule acceptors (PSMAs) based on ADA-type SMAs are still rare and greatly demanded for polymer solar cells (PSCs). Herein, two novel regioregular PSMAs (PW-Se and PS-Se) are designed and synthesized by using centrosymmetric (linear-shaped) and axisymmetric (banana-shaped) ADA-type SMAs as the main building blocks, respectively. It is demonstrated that photovoltaic performance of the PSMAs can be significantly improved by optimizing the configuration of ADA-type SMAs. Compared to the axisymmetric SMA-based polymer (PS-Se), PW-Se using a centrosymmetric SMA as the main building block exhibits better backbone coplanarity thereby resulting in bathochromically shifted absorption with a higher absorption coefficient, tighter interchain π-π stacking, and more favorable blend film morphology. As a result, enhanced and more-balanced charge transport, better exciton dissociation, and reduced charge recombination are achieved for PW-Se-based devices with PM6 as polymer donor. Benefiting from these positive factors, the optimal PM6:PW-Se-based device exhibits a higher power conversion efficiency (PCE) of 15.65% compared to the PM6:PS-Se-based device (8.90%). Furthermore, incorporation of PW-Se as a third component in the binary active layer of PM6:M36 yields ternary devices with an outstanding PCE of 18.0%, which is the highest value for PSCs based on ADA-type SMAs, to the best of the knowledge
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|a Journal Article
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|a ADA‐type electron acceptors
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| 650 |
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|a linear‐shaped skeletons
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| 650 |
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|a polymer acceptors
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|a polymer solar cells
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| 650 |
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|a power conversion efficiencies
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| 700 |
1 |
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|a Guo, Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiong, Xiaoying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cai, Dongdong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Yunlong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Qingdong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 25 vom: 18. Juni, Seite e2314169
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:25
|g day:18
|g month:06
|g pages:e2314169
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|u http://dx.doi.org/10.1002/adma.202314169
|3 Volltext
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