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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202002333
|2 doi
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|a pubmed24n1038.xml
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|a (DE-627)NLM311457835
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|a (NLM)32567159
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Jung, Eui Dae
|e verfasserin
|4 aut
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|a Multiply Charged Conjugated Polyelectrolytes as a Multifunctional Interlayer for Efficient and Scalable Perovskite Solar Cells
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|c 2020
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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 16.11.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a A series of anionic conjugated polyelectrolytes (CPEs) is synthesized based on poly(fluorene-co-phenylene) by varying the side-chain ionic density from two to six per repeat units (MPS2-TMA, MPS4-TMA, and MPS6-TMA). The effect of MPS2, 4, 6-TMA as interlayers on top of a hole-extraction layer of poly(bis(4-phenyl)-2,4,6-trimethylphenylamine (PTAA) is investigated in inverted perovskite solar cells (PeSCs). Owing to the improved wettability of perovskites on hydrophobic PTAA with the CPEs, the PeSCs with CPE interlayers demonstrate a significantly enhanced device performance, with negligible device-to-device dependence relative to the reference PeSC without CPEs. By increasing the ionic density in the MPS-TMA interlayers, the wetting, interfacial defect passivation, and crystal growth of the perovskites are significantly improved without increasing the series resistance of the PeSCs. In particular, the open-circuit voltage increases from 1.06 V for the PeSC with MPS2-TMA to 1.11 V for the PeSC with MPS6-TMA. The trap densities of the PeSCs with MPS2,4,6-TMA are further analyzed using frequency-dependent capacitance measurements. Finally, a large-area (1 cm2 ) PeSC is successfully fabricated with MPS6-TMA, showing a power conversion efficiency of 18.38% with negligible hysteresis and a stable power output under light soaking for 60 s
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|a Journal Article
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|a conjugated polyelectrolytes
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|a defect passivation
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|a perovskites
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|a scalability
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|a solar cells
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|a Harit, Amit Kumar
|e verfasserin
|4 aut
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|a Kim, Do Hui
|e verfasserin
|4 aut
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|a Jang, Chung Hyeon
|e verfasserin
|4 aut
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|a Park, Jong Hyun
|e verfasserin
|4 aut
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|a Cho, Shinuk
|e verfasserin
|4 aut
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|a Song, Myoung Hoon
|e verfasserin
|4 aut
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|a Woo, Han Young
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 30 vom: 03. Juli, Seite e2002333
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:32
|g year:2020
|g number:30
|g day:03
|g month:07
|g pages:e2002333
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|u http://dx.doi.org/10.1002/adma.202002333
|3 Volltext
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