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

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

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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.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.rights.uri info:eu-repo/semantics/openAccess
dc.source 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.subject Cèl·lules fotoelèctriques
dc.subject Materials
dc.title Efficient Vacuum Deposited P-I-N Perovskite Solar Cells by Front Contact Optimization
dc.type info:eu-repo/semantics/article
dc.date.updated 2020-07-21T09:41:31Z
dc.identifier.doi https://doi.org/10.3389/fchem.2019.00936
dc.identifier.idgrec 136293

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