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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202307987
|2 doi
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|a pubmed24n1248.xml
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|a (DE-627)NLM364479469
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|a (NLM)37956304
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|a DE-627
|b ger
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|a eng
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|a Guan, Hongling
|e verfasserin
|4 aut
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|a Regulating Crystal Orientation via Ligand Anchoring Enables Efficient Wide-Bandgap Perovskite Solar Cells and Tandems
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|c 2024
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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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|2 rdacarrier
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|a Date Revised 04.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Wide-bandgap (WBG) perovskite solar cells have attracted considerable interest for their potential applications in tandem solar cells. However, the predominant obstacles impeding their widespread adoption are substantial open-circuit voltage (VOC ) deficit and severe photo-induced halide segregation. To tackle these challenges, a crystal orientation regulation strategy by introducing dodecyl-benzene-sulfonic-acid as an additive in perovskite precursors is proposed. This method significantly promotes the desired crystal orientation, passivates defects, and mitigates photo-induced halide phase segregation in perovskite films, leading to substantially reduced nonradiative recombination, minimized VOC deficits, and enhanced operational stability of the devices. The resulting 1.66 eV bandgap methylamine-free perovskite solar cells achieve a remarkable power conversion efficiency (PCE) of 22.40% (certified at 21.97%), with the smallest VOC deficit recorded at 0.39 V. Furthermore, the fabricated semitransparent WBG devices exhibit a competitive PCE of 20.13%. Consequently, four-terminal tandem cells comprising WBG perovskite top cells and 1.25 eV bandgap perovskite bottom cells showcase an impressive PCE of 28.06% (stabilized 27.92%), demonstrating great potential for efficient multijunction tandem solar cell applications
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|a Journal Article
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|a crystal orientation
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|a open-circuit voltage deficit
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|a tandem solar cells
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|a wide-bandgap perovskites
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|a Zhou, Shun
|e verfasserin
|4 aut
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|a Fu, Shiqiang
|e verfasserin
|4 aut
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|a Pu, Dexin
|e verfasserin
|4 aut
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|a Chen, Xuepeng
|e verfasserin
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|a Ge, Yansong
|e verfasserin
|4 aut
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|a Wang, Shuxin
|e verfasserin
|4 aut
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|a Wang, Chen
|e verfasserin
|4 aut
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|a Cui, Hongsen
|e verfasserin
|4 aut
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|a Liang, Jiwei
|e verfasserin
|4 aut
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|a Hu, Xuzhi
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|a Meng, Weiwei
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|a Fang, Guojia
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|a Ke, Weijun
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 1 vom: 03. Jan., Seite e2307987
|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:1
|g day:03
|g month:01
|g pages:e2307987
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|u http://dx.doi.org/10.1002/adma.202307987
|3 Volltext
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