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240331s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202402350
|2 doi
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|a pubmed24n1460.xml
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|a (DE-627)NLM370436636
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|a (NLM)38554138
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Chen, Haiyang
|e verfasserin
|4 aut
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|a Heterogeneous Nucleating Agent for High-Boiling-Point Nonhalogenated Solvent-Processed Organic Solar Cells and Modules
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 04.07.2024
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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 High-boiling-point nonhalogenated solvents are superior solvents to produce large-area organic solar cells (OSCs) in industry because of their wide processing window and low toxicity; while, these solvents with slow evaporation kinetics will lead excessive aggregation of state-of-the-art small molecule acceptors (e.g. L8-BO), delivering serious efficiency losses. Here, a heterogeneous nucleating agent strategy is developed by grafting oligo (ethylene glycol) side-chains on L8-BO (BTO-BO). The formation energy of the obtained BTO-BO; while, changing from liquid in a solvent to a crystalline phase, is lower than that of L8-BO irrespective of the solvent type. When BTO-BO is added as the third component into the active layer (e.g. PM6:L8-BO), it easily assembles to form numerous seed crystals, which serve as nucleation sites to trigger heterogeneous nucleation and increase nucleation density of L8-BO through strong hydrogen bonding interactions even in high-boiling-point nonhalogenated solvents. Therefore, it can effectively suppress excessive aggregation during growth, achieving ideal phase-separation active layer with small domain sizes and high crystallinity. The resultant toluene-processed OSCs exhibit a record power conversion efficiency (PCE) of 19.42% (certificated 19.12%) with excellent operational stability. The strategy also has superior advantages in large-scale devices, showing a 15.03-cm2 module with a record PCE of 16.35% (certificated 15.97%)
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|a Journal Article
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|a high‐boiling‐point nonhalogenated solvent
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|a large‐area modules
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|a nucleation and growth kinetics
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|a organic solar cells
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|a stability
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|a Sun, Weiwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Rui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Yuting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Ben
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zeng, Guang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ding, Junyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Weijie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yaowen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yongfang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 27 vom: 29. Juli, Seite e2402350
|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:27
|g day:29
|g month:07
|g pages:e2402350
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|u http://dx.doi.org/10.1002/adma.202402350
|3 Volltext
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|d 36
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