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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201704825
|2 doi
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|a eng
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|a Yu, Haejun
|e verfasserin
|4 aut
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|a Superfast Room-Temperature Activation of SnO2 Thin Films via Atmospheric Plasma Oxidation and their Application in Planar Perovskite Photovoltaics
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|c 2018
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|a Text
|b txt
|2 rdacontent
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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 30.09.2020
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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 The power conversion efficiency (PCE) of perovskite solar cells (PSCs) has now exceeded 20%; thus, research focus has shifted to establishing the foundations for commercialization. One of the pivotal themes is to curtail the overall fabrication time, to reduce unit cost, and mass-produce PSCs. Additionally, energy dissipation during the thermal annealing (TA) stage must be minimized by realizing a genuine low-temperature (LT) process. Here, tin oxide (SnO2 ) thin films (TFs) are formulated at extremely high speed, within 5 min, under an almost room-temperature environment (<50 °C), using atmospheric Ar/O2 plasma energy (P-SnO2 ) and are applied as an electron transport layer of a "n-i-p"-type planar PSC. Compared with a thermally annealed SnO2 TF (T-SnO2 ), the P-SnO2 TF yields a more even surface but also outstanding electrical conductivity with higher electron mobility and a lower number of charge trap sites, consequently achieving a superior PCE of 19.56% in P-SnO2 -based PSCs. These findings motivate the use of a plasma strategy to fabricate various metal oxide TFs using the sol-gel route
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|a Journal Article
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|a electron transport
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|a perovskite solar cells
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|a plasma annealing
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|a Yeom, Hye-In
|e verfasserin
|4 aut
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|a Lee, Jong Woo
|e verfasserin
|4 aut
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|a Lee, Kisu
|e verfasserin
|4 aut
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|a Hwang, Doyk
|e verfasserin
|4 aut
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|a Yun, Juyoung
|e verfasserin
|4 aut
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|a Ryu, Jaehoon
|e verfasserin
|4 aut
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|a Lee, Jungsup
|e verfasserin
|4 aut
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|a Bae, Sohyeon
|e verfasserin
|4 aut
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|a Kim, Seong Keun
|e verfasserin
|4 aut
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|a Jang, Jyongsik
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
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|g 30(2018), 10 vom: 04. März
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|x 1521-4095
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|u http://dx.doi.org/10.1002/adma.201704825
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