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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202303665
|2 doi
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|a pubmed24n1198.xml
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|a (DE-627)NLM359602029
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|a (NLM)37459560
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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 Ji, Xiaofei
|e verfasserin
|4 aut
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| 245 |
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|a Target Therapy for Buried Interface Enables Stable Perovskite Solar Cells with 25.05% Efficiency
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 27.09.2023
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2023 Wiley-VCH GmbH.
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|a The buried interface in perovskite solar cells (PSCs) is pivotal for achieving high efficiency and stability. However, it is challenging to study and optimize the buried interface due to its non-exposed feature. Here, a facile and effective strategy is developed to modify the SnO2 /perovskite buried interface by passivating the buried defects in perovskite and modulating carrier dynamics via incorporating formamidine oxalate (FOA) in SnO2 nanoparticles. Both formamidinium and oxalate ions show a longitudinal gradient distribution in the SnO2 layer, mainly accumulating at the SnO2 /perovskite buried interface, which enables high-quality upper perovskite films, minimized defects, superior interface contacts, and matched energy levels between perovskite and SnO2 . Significantly, FOA can simultaneously reduce the oxygen vacancies and tin interstitial defects on the SnO2 surface and the FA+ /Pb2+ associated defects at the perovskite buried interface. Consequently, the FOA treatment significantly improves the efficiency of the PSCs from 22.40% to 25.05% and their storage- and photo-stability. This method provides an effective target therapy of buried interface in PSCs to achieve very high efficiency and stability
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|a Journal Article
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|a buried interface
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|a defect passivation
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4 |
|a oxalate
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| 650 |
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4 |
|a perovskite solar cells
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1 |
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|a Bi, Leyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fu, Qiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Bolin
|e verfasserin
|4 aut
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1 |
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|a Wang, Junwei
|e verfasserin
|4 aut
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1 |
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|a Jeong, Sang Young
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Feng, Kui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Suxiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liao, Qiaogan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Francis R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Woo, Han Young
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Linfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jen, Alex K-Y
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Xugang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 39 vom: 01. Sept., Seite e2303665
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:35
|g year:2023
|g number:39
|g day:01
|g month:09
|g pages:e2303665
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202303665
|3 Volltext
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|d 35
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