693.932 PEOPLE
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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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| Petrov, R. H. | Madrid |
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| Bih, L. |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Azam, Siraj |
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| Ali, M. A. |
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| Rančić, M. |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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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
Band-Like Charge Transport in Cs2AgBiBr6 and Mixed Antimony-Bismuth Cs2AgBi1- xSbxBr6 Halide Double Perovskites
Abstract
<p>Recently, halide double perovskites (HDPs), such as Cs<sub>2</sub>AgBiBr<sub>6</sub>, have been reported as promising nontoxic alternatives to lead halide perovskites. However, it remains unclear whether the charge-transport properties of these materials are as favorable as for lead-based perovskites. In this work, we study the mobilities of charges in Cs<sub>2</sub>AgBiBr<sub>6</sub> and in mixed antimony-bismuth Cs<sub>2</sub>AgBi<sub>1-x</sub>Sb<sub>x</sub>Br<sub>6</sub>, in which the band gap is tunable from 2.0 to 1.6 eV. Using temperature-dependent time-resolved microwave conductivity techniques, we find that the mobility is proportional to T<sup>-p</sup> (with p ≈ 1.5). Importantly, this indicates that phonon scattering is the dominant scattering mechanism determining the charge carrier mobility in these HDPs similar to the state-of-the-art lead-based perovskites. Finally, we show that wet chemical processing of Cs<sub>2</sub>AgBi<sub>1-x</sub>Sb<sub>x</sub>Br<sub>6</sub> powders is a successful route to prepare thin films of these materials, which paves the way toward photovoltaic devices based on nontoxic HDPs with tunable band gaps.</p>