Highly efficient, stable and hysteresis-less planar perovskite solar cell based on chemical bath treated Zn2SnO4 electron transport layer

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dc.authorid0000-0001-9852-7246en_US
dc.contributor.authorSadegh, Faranak
dc.contributor.authorAkın, Seçkin
dc.contributor.authorMoghadam, Majid
dc.contributor.authorMirkhani, Valiollah
dc.contributor.authorRuiz-Preciado, Marco A.
dc.contributor.authorWang, Zaiwei
dc.date.accessioned2020-09-10T08:21:20Z
dc.date.available2020-09-10T08:21:20Z
dc.date.issued2020en_US
dc.departmentKMÜ, Mühendislik Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümüen_US
dc.descriptionWOS:000561847400007en_US
dc.description.abstractThe electron transport layer (ETL) is a key constituent in perovskite solar cells (PSCs). It should provide efficient and selective electron extraction, low resistivity and high stability. Here, zinc stannate (Zn2SnO4, ZSO) is employed as an ETL in planar PSCs. A surface treatment of a compact ZSO layer is introduced based on chemical bath deposition (CBD). CBD results in a dense and uniform surface morphology that promotes the formation of a perovskite film with better surface coverage and enlarged grains, which lead to reduced recombination losses. Such improvements effectively increase the charge extraction at ETL/perovskite interface and reduce trapassisted recombination, which results in a remarkable photovoltaic performance, low hysteresis index, and good reproducibility. The efficiency of PSCs based on CBD-modified ZSO ETL has been dramatically increased from 19.3% to 21.3% with a notable increase in open circuit voltage of 60 mV compared to bare ZSO-based devices. This value is among the highest for ZSO-based PSCs. More importantly, the CBD-treated PSCs exhibited good stability, retaining more than 90% of its initial efficiency over 1000 h under continuous illumination at maximum power point. These results demonstrate that CBD can significantly improve the performance and stability of ZSO-based planar PSCs, a crucial requirement for commercialization.en_US
dc.identifier.citationSadegh, F., Akin, S., Moghadam, M. et al.(2020). Highly efficient, stable and hysteresis-less planar perovskite solar cell based on chemical bath treated Zn2SnO4 electron transport layer. Nano Energy, 75.en_US
dc.identifier.doi10.1016/j.nanoen.2020.105038
dc.identifier.issn2211-2855
dc.identifier.issn2211-3282
dc.identifier.scopus2-s2.0-85086631240
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.nanoen.2020.105038
dc.identifier.urihttps://hdl.handle.net/11492/3656
dc.identifier.volume75en_US
dc.identifier.wosWOS:000561847400007
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Sceince
dc.indekslendigikaynakScopus
dc.institutionauthorAkın, Seçkin
dc.language.isoen
dc.publisherElsevieren_US
dc.relation.journalNano Energyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPerovskite Solar Cells (PSCs)en_US
dc.subjectElectron Transport Layer (ETL)en_US
dc.subjectZinc Stannate (Zn2SnO4)en_US
dc.subjectChemical Bath Deposition (CBD)en_US
dc.subjectSurface Treatmenten_US
dc.titleHighly efficient, stable and hysteresis-less planar perovskite solar cell based on chemical bath treated Zn2SnO4 electron transport layeren_US
dc.typeArticle

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