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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201707170
|2 doi
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|a pubmed24n0939.xml
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|a (DE-627)NLM281893640
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|a (NLM)29532973
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|a DE-627
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|a eng
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|a Li, Wanning
|e verfasserin
|4 aut
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|a A High-Efficiency Organic Solar Cell Enabled by the Strong Intramolecular Electron Push-Pull Effect of the Nonfullerene Acceptor
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|c 2018
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 01.08.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Besides broadening of the absorption spectrum, modulating molecular energy levels, and other well-studied properties, a stronger intramolecular electron push-pull effect also affords other advantages in nonfullerene acceptors. A strong push-pull effect improves the dipole moment of the wings in IT-4F over IT-M and results in a lower miscibility than IT-M when blended with PBDB-TF. This feature leads to higher domain purity in the PBDB-TF:IT-4F blend and makes a contribution to the better photovoltaic performance. Moreover, the strong push-pull effect also decreases the vibrational relaxation, which makes IT-4F more promising than IT-M in reducing the energetic loss of organic solar cells. Above all, a power conversion efficiency of 13.7% is recorded in PBDB-TF:IT-4F-based devices
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|a Journal Article
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|a intramolecular electron push-pull effect
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|a miscibility
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|a nonfullerene acceptor
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|a organic solar cell
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|a vibrational relaxation
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|a Ye, Long
|e verfasserin
|4 aut
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|a Li, Sunsun
|e verfasserin
|4 aut
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|a Yao, Huifeng
|e verfasserin
|4 aut
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|a Ade, Harald
|e verfasserin
|4 aut
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|a Hou, Jianhui
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 16 vom: 17. Apr., Seite e1707170
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:30
|g year:2018
|g number:16
|g day:17
|g month:04
|g pages:e1707170
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|u http://dx.doi.org/10.1002/adma.201707170
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