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Phosphine Oxide Derivative as a Passivating Agent to Enhance the Performance of Perovskite Solar Cells

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Phosphine Oxide Derivative as a Passivating Agent to Enhance the Performance of Perovskite Solar Cells

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dc.contributor.author	Sutanto, A. Adrian
dc.contributor.author	Igci, Cansu
dc.contributor.author	Kim, Hobeom
dc.contributor.author	Kanda, Hiroyuki
dc.contributor.author	Shibayama, Naoyuki
dc.contributor.author	Mensi, Mounir
dc.contributor.author	Queloz, Valentin I. E.
dc.contributor.author	Momblona Rincón, María Cristina
dc.contributor.author	Yun, H. Joong
dc.contributor.author	Bolink, Henk
dc.contributor.author	Huckaba, Aron J.
dc.contributor.author	Nazeeruddin, Md. K.
dc.date.accessioned	2021-10-21T13:02:21Z
dc.date.available	2021-10-21T13:02:21Z
dc.date.issued	2021
dc.identifier.citation	Sutanto, A. Adrian Igci, Cansu Kim, Hobeom Kanda, Hiroyuki Shibayama, Naoyuki Mensi, Mounir Queloz, Valentin I. E. Momblona Rincón, María Cristina Yun, H. Joong Bolink, Henk Huckaba, Aron J. Nazeeruddin, Md. K. 2021 Phosphine Oxide Derivative as a Passivating Agent to Enhance the Performance of Perovskite Solar Cells Acs Applied Energy Materials 4 2 1259 1268
dc.identifier.uri	https://hdl.handle.net/10550/80508
dc.description.abstract	Defects of metal-halide perovskites detrimentally influence the optoelectronic properties of the thin film and, ultimately, the photovoltaic performance of perovskite solar cells (PSCs). Especially, defect-mediated nonradiative recombination that occurs at the perovskite interface significantly limits the power conversion efficiency (PCE) of PSCs. In this regard, interfacial engineering or surface treatment of perovskites has become a viable strategy for reducing the density of surface defects, thereby improving the PCE of PSCs. Here, an organic molecule, tris(5-((tetrahydro-2H-pyran-2-yl)oxy)pentyl)phosphine oxide (THPPO), is synthesized and introduced as a defect passivation agent in PSCs. The P=O terminal group of THPPO, a Lewis base, can passivate perovskite surface defects such as undercoordinated Pb2+. Consequently, improvement of PCEs from 19.87 to 20.70% and from 5.84 to 13.31% are achieved in n−i−p PSCs and hole-transporting layer (HTL)-free PSCs, respectively.
dc.language.iso	eng
dc.relation.ispartof	Acs Applied Energy Materials, 2021, vol. 4, num. 2, p. 1259-1268
dc.subject	Materials
dc.subject	Cèl·lules fotoelèctriques
dc.subject	Òxids
dc.title	Phosphine Oxide Derivative as a Passivating Agent to Enhance the Performance of Perovskite Solar Cells
dc.type	journal article	es_ES
dc.date.updated	2021-10-21T13:02:21Z
dc.identifier.doi	10.1021/acsaem.0c02472
dc.identifier.idgrec	148317
dc.rights.accessRights	open access	es_ES