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

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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Bibliographic Details
Main Authors: David Ompong, Kiran Sreedhar Ram, Daniel Dodzi Yao Setsoafia, Hooman Mehdizadeh Rad, Jai Singh
Format: Article
Language:English
Published: Wiley-VCH 2023-01-01
Series:Advanced Materials Interfaces
Subjects:
interfaces
nonradiative recombination
open‐circuit voltage saturation
perovskite solar cells
quasi‐Fermi level splitting
Online Access:https://doi.org/10.1002/admi.202201578

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