Phosphomolybdic acid as an efficient hole injection material in perovskite optoelectronic devices
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Phosphomolybdic acid as an efficient hole injection material in perovskite optoelectronic devices

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Phosphomolybdic acid as an efficient hole injection material in perovskite optoelectronic devices

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dc.contributor.author Hamidabadi, V. Fallah
dc.contributor.author Momblona Rincón, María Cristina
dc.contributor.author Pérez-del-Rey, Daniel
dc.contributor.author Bahari, Ali
dc.contributor.author Sessolo, Michele
dc.contributor.author Bolink, Henk
dc.date.accessioned 2020-06-19T08:31:08Z
dc.date.available 2020-06-19T08:31:08Z
dc.date.issued 2019
dc.identifier.uri https://hdl.handle.net/10550/75138
dc.description.abstract Efficient perovskite devices consist in a perovskite film sandwiched in between charge selective layers, in order to avoid non-radiative recombination. A common metal oxide used as p-type or hole transport layer is molybdenum oxide. MoO3 is of particular interest for its very large work function, which allows it to be used both as an interfacial charge transfer material as well as a dopant for organic semiconductors. However, high quality and high work function MoO3 is typically thermally evaporated in vacuum. An alternative solution-processable high work function material is phosphomolybdic acid (PMA), which is stable, commercially available and environmentally friendly. In this communication, we show the first application of PMA in efficient vacuum processed perovskite devices. We found that the direct growth of perovskite films onto PMA lead to strong charge carrier recombination, hindering the solar cell photovoltage. By using an energetically suitable selective transport layer placed in between PMA and the perovskite film, solar cells with efficiency > 13% as well as LEDs with promising quantum efficiency can be obtained.
dc.language.iso eng
dc.relation.ispartof Dalton Transactions, 2019, vol. 48, p. 30-34
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Hamidabadi, V. Fallah Momblona Rincón, María Cristina Pérez-del-Rey, Daniel Bahari, Ali Sessolo, Michele Bolink, Henk 2019 Phosphomolybdic acid as an efficient hole injection material in perovskite optoelectronic devices Dalton Transactions 48 30 34
dc.subject Cèl·lules fotoelèctriques
dc.subject Materials
dc.title Phosphomolybdic acid as an efficient hole injection material in perovskite optoelectronic devices
dc.type info:eu-repo/semantics/article
dc.date.updated 2020-06-19T08:31:09Z
dc.identifier.doi https://doi.org/10.1039/C8DT03680B
dc.identifier.idgrec 129075

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