Visualising ionic screening in perovskite solar cells: a bumpy ride along the <i>J</i>–<i>V</i> curve

Frank Nüesch
2025

Abstract

The J–V bump and hysteresis in perovskite solar cells are studied combining measurement and simulation, linking them to spatial collection efficiency changes from ionic charge accumulation, as visualised in external quantum efficiency (EQE) spectra.

Official source

https://infoscience.epfl.ch/entities/publication/1d85342f-a345-49fc-b7e7-0b6c8b2ad232

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