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- 2024Surface saturation current densities of perovskite thin films from Suns‐photoluminescence quantum yield measurementscitations
- 2023Electron contact interlayers for low‐temperature‐processed crystalline silicon solar cellscitations
- 2023Decoupling Bimolecular Recombination Mechanisms in Perovskite Thin Films Using Photoluminescence Quantum Yield
- 2023Surface Saturation Current Densities of Perovskite Thin Films from Suns-Photoluminescence Quantum Yield Measurements
- 2014The impact of SiO2/SiNrm x stack thickness on laser doping of silicon solar cellcitations
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document
Surface Saturation Current Densities of Perovskite Thin Films from Suns-Photoluminescence Quantum Yield Measurements
Abstract
We present a simple, yet powerful analysis of Suns-photoluminescence quantum yield measurements that can be used to determine the surface saturation current densities of thin film semiconductors. We apply the method to state-of-the-art polycrystalline perovskite thin films of varying absorber thickness. We show that the non-radiative bimolecular recombination in these samples originates from the surfaces. To the best of our knowledge, this is the first study to demonstrate and quantify non-linear (bimolecular) surface recombination in perovskite thin films.