A systematic discrepancy between the short circuit current and the integrated quantum efficiency in perovskite solar cells

Michael Saliba; Eva Unger; Lioz Etgar; Jingshan Luo; T. Jesper Jacobsson

doi:10.1038/s41467-023-41263-0

A systematic discrepancy between the short circuit current and the integrated quantum efficiency in perovskite solar cells

Michael Saliba, Eva Unger, Lioz Etgar, Jingshan Luo, T. Jesper Jacobsson

Institute of Chemistry

The Hebrew University of Jerusalem

Research output: Contribution to journal › Article › peer-review

Abstract

Halide perovskites solar cells are now approaching commercialisation. In this transition from academic research towards industrialisation, standardized testing protocols and reliable dissemination of performance metrics are crucial. In this study, we analyze data from over 16,000 publications in the Perovskite Database to investigate the assumed equality between the integrated external quantum efficiency and the short circuit current from JV measurements. We find a systematic discrepancy with the JV-values being on average 4% larger. This discrepancy persists across time, perovskite composition, and device architecture, indicating the need to explore new perovskite physics and update reporting protocols and assumptions in the field.

Original language	English
Article number	5445
Journal	Nature Communications
Volume	14
Issue number	1
DOIs	https://doi.org/10.1038/s41467-023-41263-0
State	Published - Dec 2023

All Science Journal Classification (ASJC) codes

General Chemistry
General Biochemistry,Genetics and Molecular Biology
General Physics and Astronomy

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1038/s41467-023-41263-0

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abstract = "Halide perovskites solar cells are now approaching commercialisation. In this transition from academic research towards industrialisation, standardized testing protocols and reliable dissemination of performance metrics are crucial. In this study, we analyze data from over 16,000 publications in the Perovskite Database to investigate the assumed equality between the integrated external quantum efficiency and the short circuit current from JV measurements. We find a systematic discrepancy with the JV-values being on average 4\% larger. This discrepancy persists across time, perovskite composition, and device architecture, indicating the need to explore new perovskite physics and update reporting protocols and assumptions in the field.",

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AU - Jacobsson, T. Jesper

PY - 2023/12

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AB - Halide perovskites solar cells are now approaching commercialisation. In this transition from academic research towards industrialisation, standardized testing protocols and reliable dissemination of performance metrics are crucial. In this study, we analyze data from over 16,000 publications in the Perovskite Database to investigate the assumed equality between the integrated external quantum efficiency and the short circuit current from JV measurements. We find a systematic discrepancy with the JV-values being on average 4% larger. This discrepancy persists across time, perovskite composition, and device architecture, indicating the need to explore new perovskite physics and update reporting protocols and assumptions in the field.

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A systematic discrepancy between the short circuit current and the integrated quantum efficiency in perovskite solar cells

Abstract

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