Saturation of Open‐Circuit Voltage at Higher Light Intensity Caused by Interfacial Defects and Nonradiative Recombination Losses in Perovskite Solar Cells

Abstract A new analytical expression that directly relates the open‐circuit voltage (Voc) in perovskite solar cells (PSCs) to the quasi‐Fermi level splitting (QFLS), interface energy offsets, and nonradiative recombination losses has been derived. It is found that the QFLS of the active layer plays...

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Autori principali:	David Ompong, Kiran Sreedhar Ram, Daniel Dodzi Yao Setsoafia, Hooman Mehdizadeh Rad, Jai Singh
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	Wiley-VCH 2023-01-01
Serie:	Advanced Materials Interfaces
Soggetti:	interfaces nonradiative recombination open‐circuit voltage saturation perovskite solar cells quasi‐Fermi level splitting
Accesso online:	https://doi.org/10.1002/admi.202201578
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