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Title: | Tin Oxide Electron-Selective Layers for Efficient, Stable, and Scalable Perovskite Solar Cells | Authors: | Altinkaya, Cesur Aydin, Erkan Ugur, Esma Isikgor, Furkan H. Subbiah, Anand S. De Bastiani, Michele Liu, Jiang BABAYIGIT, Aslihan Allen, Thomas G. Laquai, Frederic Yildiz, Abdullah De Wolf, Stefaan |
Issue Date: | 2021 | Publisher: | WILEY-V C H VERLAG GMBH | Source: | Advanced Materials, 33 (15) (Art N° 2005504) | Abstract: | Perovskite solar cells (PSCs) have become a promising photovoltaic (PV) technology, where the evolution of the electron-selective layers (ESLs), an integral part of any PV device, has played a distinctive role to their progress. To date, the mesoporous titanium dioxide (TiO2)/compact TiO2 stack has been among the most used ESLs in state-of-the-art PSCs. However, this material requires high-temperature sintering and may induce hysteresis under operational conditions, raising concerns about its use toward commercialization. Recently, tin oxide (SnO2) has emerged as an attractive alternative ESL, thanks to its wide bandgap, high optical transmission, high carrier mobility, suitable band alignment with perovskites, and decent chemical stability. Additionally, its low-temperature processability enables compatibility with temperature-sensitive substrates, and thus flexible devices and tandem solar cells. Here, the notable developments of SnO2 as a perovskite-relevant ESL are reviewed with emphasis placed on the various fabrication methods and interfacial passivation routes toward champion solar cells with high stability. Further, a techno-economic analysis of SnO2 materials for large-scale deployment, together with a processing-toxicology assessment, is presented. Finally, a perspective on how SnO2 materials can be instrumental in successful large-scale module and perovskite-based tandem solar cell manufacturing is provided. | Notes: | Altinkaya, C (corresponding author), Ankara Yildirim Beyazit Univ, Fac Engn & Nat Sci, Dept Energy Syst Engn, TR-06010 Ankara, Turkey.; Aydin, E; De Wolf, S (corresponding author), King Abdullah Univ Sci & Technol KAUST, Phys Sci & Engn Div PSE, KAUST Solar Ctr KSC, Thuwal 239556900, Saudi Arabia. cesuraltnky@gmail.com; erkan.aydin@kaust.edu.sa; stefaan.dewolf@kaust.edu.sa |
Other: | Altinkaya, C (corresponding author), Ankara Yildirim Beyazit Univ, Fac Engn & Nat Sci, Dept Energy Syst Engn, TR-06010 Ankara, Turkey. Aydin, E; De Wolf, S (corresponding author), King Abdullah Univ Sci & Technol KAUST, Phys Sci & Engn Div PSE, KAUST Solar Ctr KSC, Thuwal 239556900, Saudi Arabia. cesuraltnky@gmail.com; erkan.aydin@kaust.edu.sa; stefaan.dewolf@kaust.edu.sa | Keywords: | electron‐selective layers;low‐temperature processing;perovskite solar cells;SnO;(2);tin oxide | Document URI: | http://hdl.handle.net/1942/33903 | ISSN: | 0935-9648 | e-ISSN: | 1521-4095 | DOI: | 10.1002/adma.202005504 | ISI #: | 000625029900001 | Rights: | 2021 Wiley-VCH GmbH | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2022 |
Appears in Collections: | Research publications |
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