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| Naji, M. |
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Savenije, Tom J.
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Topics
Publications (36/36 displayed)
- 2024Orthogonal Electrochemical Stability of Bulk and Surface in Lead Halide Perovskite Thin Films and Nanocrystalscitations
- 2024Unraveling the Positive Effects of Glycine Hydrochloride on the Performance of Pb–Sn-Based Perovskite Solar Cells
- 2024Unraveling the Positive Effects of Glycine Hydrochloride on the Performance of Pb–Sn-Based Perovskite Solar Cells
- 2024Alleviating nanostructural phase impurities enhances the optoelectronic properties, device performance and stability of cesium-formamidinium metal–halide perovskitescitations
- 2023Crystallization Process for High-Quality Cs0.15FA0.85PbI2.85Br0.15Film Deposited via Simplified Sequential Vacuum Evaporationcitations
- 2022Traps in the spotlightcitations
- 2022Traps in the spotlight: How traps affect the charge carrier dynamics in Cs2AgBiBr6 perovskite
- 2022Perovskite Solar Cells: Stable under Space Conditionscitations
- 2021Recombination and localization: Unfolding the pathways behind conductivity losses in Cs2AgBiBr6 thin films: Unfolding the pathways behind conductivity losses in Cs2AgBiBr6 thin films
- 2021Recombination and localization: Unfolding the pathways behind conductivity losses in Cs2AgBiBr6 thin filmscitations
- 2020Charge Carrier Dynamics upon Sub-bandgap Excitation in Methylammonium Lead Iodide Thin Films: Effects of Urbach Tail, Deep Defects, and Two-Photon Absorptioncitations
- 2020Quantifying Charge-Carrier Mobilities and Recombination Rates in Metal Halide Perovskites from Time-Resolved Microwave Photoconductivity Measurementscitations
- 2020Charge Carrier Dynamics upon Sub-bandgap Excitation in Methylammonium Lead Iodide Thin Filmscitations
- 2019Comparing the calculated fermi level splitting with the open-circuit voltage in various perovskite cellscitations
- 2019Charge Carriers Are Not Affected by the Relatively Slow-Rotating Methylammonium Cations in Lead Halide Perovskite Thin Filmscitations
- 2019The importance of relativistic effects on two-photon absorption spectra in metal halide perovskitescitations
- 2019Reversible Removal of Intermixed Shallow States by Light Soaking in Multication Mixed Halide Perovskite Films.
- 2019Charge Carriers Are Not Affected by the Relatively Slow-Rotating Methylammonium Cations in Lead Halide Perovskite Thin Films.
- 2018Maximizing and stabilizing luminescence from halide perovskites with potassium passivationcitations
- 2018Maximizing and stabilizing luminescence from halide perovskites with potassium passivation
- 2018Partially replacing Pb2+ by Mn2+ in hybrid metal halide perovskitescitations
- 2018Partially replacing Pb 2+ by Mn 2+ in hybrid metal halide perovskites:Structural and electronic propertiescitations
- 2018Band-Like Charge Transport in Cs2AgBiBr6 and Mixed Antimony-Bismuth Cs2AgBi1- xSbxBr6 Halide Double Perovskitescitations
- 2017Direct-indirect character of the bandgap in methylammonium lead iodide perovskite.
- 2017Vapour-Deposited Cesium Lead Iodide Perovskitescitations
- 2017Direct-indirect character of the bandgap in methylammonium lead iodide perovskitecitations
- 2017The Impact of Phase Retention on the Structural and Optoelectronic Properties of Metal Halide Perovskites.
- 2017Vapour-Deposited Cesium Lead Iodide Perovskites: Microsecond Charge Carrier Lifetimes and Enhanced Photovoltaic Performance.
- 2016The Impact of Phase Retention on the Structural and Optoelectronic Properties of Metal Halide Perovskitescitations
- 2016Strontium Insertion in Methylammonium Lead Iodidecitations
- 2016The Impact of Phase Retention on the Structural and Optoelectronic Properties of Metal Halide Perovskites.
- 2015Charge Carriers in Planar and Meso-Structured Organic-Inorganic Perovskitescitations
- 2015Mechanism of Charge Transfer and Recombination Dynamics in Organo Metal Halide Perovskites and Organic Electrodes, PCBM, and Spiro-OMeTADcitations
- 2015Mechanism of Charge Transfer and Recombination Dynamics in Organo Metal Halide Perovskites and Organic Electrodes, PCBM, and Spiro-OMeTAD: Role of Dark Carriers.citations
- 2014Organometal Halide Perovskite Solar Cell Materials Rationalized: Ultrafast Charge Generation, High and Microsecond-Long Balanced Mobilities, and Slow Recombinationcitations
- 2007Photosensitization of TiO2 and SnO2 by artificial self-assembling mimics of the natural chlorosomal bacteriochlorophyllscitations
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article
Comparing the calculated fermi level splitting with the open-circuit voltage in various perovskite cells
Abstract
<p>While the power conversion efficiency of metal halide perovskite (MHP) solar cells has increased enormously, the open-circuit voltage, V<sub>oc</sub>, is still below the conceivable limit. Here, we derive the Fermi level splitting, μ<sub>F</sub>, for various types of noncontacted MHPs, which sets a limit for their achievable V<sub>oc</sub>, using rate constants and mobilities obtained from time-resolved photoconductivity measurements. Interestingly, we find that for vacuum-evaporated MAPbI<sub>3</sub>and K<sup>+</sup>-doped (MA,FA,Cs)Pb(I/Br)<sub>3</sub>, the μ<sub>F</sub>/e values are close to the reported V<sub>oc</sub>values. This implies that for an improvement of the V<sub>oc</sub>, charge carrier recombination within the bare perovskite has to be reduced. On the other hand, for MHPs with Cs<sup>+</sup>and/or Rb<sup>+</sup>addition, the experimental V<sub>oc</sub>is still below μ<sub>F</sub>/e, suggesting that higher voltages are feasible by optimizing the transport layers. The presented approach will help to select which techniques and transport layers are beneficial to improve the efficiency of MHP solar cells.</p>