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Efficient Vacuum Deposited P-I-N Perovskite Solar Cells by Front Contact Optimization

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Efficient Vacuum Deposited P-I-N Perovskite Solar Cells by Front Contact Optimization

dc.contributor.author	Babaei, Azin
dc.contributor.author	Zanoni, Kassio P. S.
dc.contributor.author	Gil Escrig, Lidón
dc.contributor.author	Pérez-del-Rey, Daniel
dc.contributor.author	Boix, Pablo P.
dc.contributor.author	Sessolo, Michele
dc.contributor.author	Bolink, Henk
dc.date.accessioned	2020-07-21T09:41:31Z
dc.date.available	2020-07-21T09:41:31Z
dc.date.issued	2020
dc.identifier.citation	Babaei, Azin Zanoni, Kassio P. S. Gil Escrig, Lidón Pérez-del-Rey, Daniel Boix, Pablo P. Sessolo, Michele Bolink, Henk 2020 Efficient Vacuum Deposited P-I-N Perovskite Solar Cells by Front Contact Optimization Frontiers In Chemistry 7 936
dc.identifier.uri	https://hdl.handle.net/10550/75272
dc.description.abstract	Hole transport layers (HTLs) are of fundamental importance in perovskite solar cells (PSCs), as they must ensure an efficient and selective hole extraction, and ohmic charge transfer to the corresponding electrodes. In p-i-n solar cells, the ITO/HTL is usually not ohmic, and an additional interlayer such as MoO3 is usually placed in between the two materials by vacuum sublimation. In this work, we evaluated the properties of the MoO3/TaTm (TaTm is the HTL N4,N4,N4″,N4″-tetra([1,1′-biphenyl]-4-yl)-[1,1′:4′,1″-terphenyl]-4,4″-diamine) hole extraction interface by selectively annealing either MoO3 (prior to the deposition of TaTm) or the bilayer MoO3/TaTm (without pre-treatment on the MoO3), at temperature ranging from 60 to 200°C. We then used these p-contacts for the fabrication of a large batch of fully vacuum deposited PSCs, using methylammonium lead iodide as the active layer. We show that annealing the MoO3/TaTm bilayers at high temperature is crucial to obtain high rectification with low non-radiative recombination, due to an increase of the electrode work function and the formation of an ohmic interface with TaTm.
dc.language.iso	eng
dc.relation.ispartof	Frontiers In Chemistry, 2020, vol. 7, num. 936
dc.subject	Cèl·lules fotoelèctriques
dc.subject	Materials
dc.title	Efficient Vacuum Deposited P-I-N Perovskite Solar Cells by Front Contact Optimization
dc.type	journal article	es_ES
dc.date.updated	2020-07-21T09:41:31Z
dc.identifier.doi	10.3389/fchem.2019.00936
dc.identifier.idgrec	136293
dc.rights.accessRights	open access	es_ES