Superfast Room-Temperature Activation of SnO2 Thin Films via Atmospheric Plasma Oxidation and their Application in Planar Perovskite Photovoltaics

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 30(2018), 10 vom: 04. März
1. Verfasser: Yu, Haejun (VerfasserIn)
Weitere Verfasser: Yeom, Hye-In, Lee, Jong Woo, Lee, Kisu, Hwang, Doyk, Yun, Juyoung, Ryu, Jaehoon, Lee, Jungsup, Bae, Sohyeon, Kim, Seong Keun, Jang, Jyongsik
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article electron transport perovskite solar cells plasma annealing
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520 |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 
650 4 |a Journal Article 
650 4 |a electron transport 
650 4 |a perovskite solar cells 
650 4 |a plasma annealing 
700 1 |a Yeom, Hye-In  |e verfasserin  |4 aut 
700 1 |a Lee, Jong Woo  |e verfasserin  |4 aut 
700 1 |a Lee, Kisu  |e verfasserin  |4 aut 
700 1 |a Hwang, Doyk  |e verfasserin  |4 aut 
700 1 |a Yun, Juyoung  |e verfasserin  |4 aut 
700 1 |a Ryu, Jaehoon  |e verfasserin  |4 aut 
700 1 |a Lee, Jungsup  |e verfasserin  |4 aut 
700 1 |a Bae, Sohyeon  |e verfasserin  |4 aut 
700 1 |a Kim, Seong Keun  |e verfasserin  |4 aut 
700 1 |a Jang, Jyongsik  |e verfasserin  |4 aut 
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773 1 8 |g volume:30  |g year:2018  |g number:10  |g day:04  |g month:03 
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