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Simple approach for an electron extraction layer in all-vacuum processed n-i-p perovskite solar cell

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Simple approach for an electron extraction layer in all-vacuum processed n-i-p perovskite solar cell

dc.contributor.author	Kim, Beom-Soo
dc.contributor.author	Pérez-del-Rey, Daniel
dc.contributor.author	Paliwal, Abhyuday
dc.contributor.author	Dreessen, Chris
dc.contributor.author	Sessolo, Michele
dc.contributor.author	Bolink, Henk
dc.date.accessioned	2022-09-01T13:12:35Z
dc.date.available	2022-09-01T13:12:35Z
dc.date.issued	2022
dc.identifier.citation	Kim, Beom-Soo Pérez-del-Rey, Daniel Paliwal, Abhyuday Dreessen, Chris Sessolo, Michele Bolink, Henk 2022 Simple approach for an electron extraction layer in all-vacuum processed n-i-p perovskite solar cell Energy Advances 1 252 257
dc.identifier.uri	https://hdl.handle.net/10550/83589
dc.description.abstract	Vacuum processing is considered to be a promising method allowing the scalable fabrication of perovskite solar cells (PSCs). In vacuum processed PSCs, the n-i-p structure employing organic charge transport layers is less common than the p-i-n structure due to limited options to achieve an efficient electron extraction layer (EEL) on indium tin oxide (ITO) with vacuum thermal evaporation. There are a number of specific applications where an n-i-p structure is required and therefore, it is of interest to have alternative solutions for the n-type contact in vacuum processed PSCs. In this work, we report an efficient vacuum deposited EEL using a mixture of conventional organic small molecules, C60 and bathocuproine (BCP). Incorporation of BCP into C60 does not result in conventional n-doping; however, we observed enhanced charge extraction, which significantly increased the power conversion efficiency (PCE) from 13.1% to 18.1% in all-vacuum processed PSCs. The C60:BCP mixed (co-sublimated) film most likely results in shifted energy levels leading to better alignment with the electrodes.
dc.language.iso	eng
dc.relation.ispartof	Energy Advances, 2022, vol. 1, p. 252-257
dc.subject	Cèl·lules fotoelèctriques
dc.subject	Energia
dc.title	Simple approach for an electron extraction layer in all-vacuum processed n-i-p perovskite solar cell
dc.type	journal article	es_ES
dc.date.updated	2022-09-01T13:12:35Z
dc.identifier.doi	10.1039/D1YA00084E
dc.identifier.idgrec	154596
dc.rights.accessRights	open access	es_ES