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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Duong, The
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2022Impact of Halide Anions in CsX (X = I, Br, Cl) on the Microstructure and Photovoltaic Performance of FAPbI3-Based Perovskite Solar Cellscitations
- 2022Direct solar to hydrogen conversion enabled by silicon photocathodes with carrier selective passivated contactscitations
- 2021Unraveling the influence of CsCl/MACl on the formation of nanotwins, stacking faults and cubic supercell structure in FA-based perovskite solar cellscitations
- 2021Direct Solar Hydrogen Generation at 20% Efficiency Using Low-Cost Materialscitations
- 2020Over 17% Efficiency Stand-Alone Solar Water Splitting Enabled by Perovskite-Silicon Tandem Absorberscitations
- 2018Metal halide perovskitecitations
- 2018The Interaction of Ion Migration with Shockley-Read-Hall Recombination in the Bulk of Perovskite Solar Cells Explains Anomalous Voltage and Luminescence Transientscitations
- 2017Light and Electrically Induced Phase Segregation and Its Impact on the Stability of Quadruple Cation High Bandgap Perovskite Solar Cellscitations
- 2017Rubidium Multication Perovskite with Optimized Bandgap for Perovskite-Silicon Tandem with over 26% Efficiencycitations
- 2017Inverted Hysteresis in CH3NH3PbI3 Solar Cellscitations
Places of action
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document
The Interaction of Ion Migration with Shockley-Read-Hall Recombination in the Bulk of Perovskite Solar Cells Explains Anomalous Voltage and Luminescence Transients
Abstract
<p>Slow transient responses in perovskite solar cells have been attributed to a range of possible mechanisms, but the migration of ionic charge is a leading candidate. In this paper, we present an overview of the results of a transient numerical model of drift-diffusion in a semiconductor device, to which we add mobile ionic charge, to demonstrate that a range of monotonic and non-monotonic transient voltage and luminescence responses described in the perovskite literature can be replicated with the movement on ionic charge. These include some unusual non-monotonic responses that have previously been attributed to multiple, competing mechanisms. We observe that the key mechanism instead is the interaction of the ionic charge on the distribution of electrons and holes and a subsequent change in the distribution of trap-mediated recombination that is modelled after Shockley-Read-Hall statistics. These results are evidence for the value of a rigorous computation of the interaction of ion migration and traditional semiconductor charge transport models to reveal interactions between ion migration and recombination in perovskite solar cells that might otherwise escape our intuition.</p>