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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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Wang, Junke
University of Oxford
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 20233D Perovskite Passivation with a Benzotriazole-Based 2D Interlayer for High-Efficiency Solar Cellscitations
- 20233D Perovskite Passivation with a Benzotriazole-Based 2D Interlayer for High-Efficiency Solar Cells.
- 20233D perovskite passivation with a benzotriazole-based 2D interlayer for high-efficiency solar cellscitations
- 2022Monolithic All-Perovskite Tandem Solar Cells with Minimized Optical and Energetic Lossescitations
- 2021Ultralow dark current in near-infrared perovskite photodiodes by reducing charge injection and interfacial charge generationcitations
- 2021Use of Sodium Diethyldithiocarbamate to Enhance the Open-Circuit Voltage of CH3NH3PbI3 Perovskite Solar Cellscitations
- 2021Use of Sodium Diethyldithiocarbamate to Enhance the Open-Circuit Voltage of CH 3 NH 3 PbI 3 Perovskite Solar Cellscitations
- 202016.8% Monolithic all-perovskite triple-junction solar cells via a universal two-step solution processcitations
- 202016.8% Monolithic all-perovskite triple-junction solar cells via a universal two-step solution processcitations
- 2019Air-stable and oriented mixed lead halide perovskite (FA/MA) by the one-step deposition method using Zinc Iodide and an Alkylammonium additivecitations
- 2019Air-Stable and Oriented Mixed Lead Halide Perovskite (FA/MA) by the One-Step Deposition Method Using Zinc Iodide and an Alkylammonium Additivecitations
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article
3D Perovskite Passivation with a Benzotriazole-Based 2D Interlayer for High-Efficiency Solar Cells
Abstract
<p>2H-Benzotriazol-2-ylethylammonium bromide and iodide and its difluorinated derivatives are synthesized and employed as interlayers for passivation of formamidinium lead triiodide (FAPbI<sub>3</sub>) solar cells. In combination with PbI<sub>2</sub> and PbBr<sub>2</sub>, these benzotriazole derivatives form two-dimensional (2D) Ruddlesden-Popper perovskites (RPPs) as evidenced by their crystal structures and thin film characteristics. When used to passivate n-i-p FAPbI<sub>3</sub> solar cells, the power conversion efficiency improves from 20% to close to 22% by enhancing the open-circuit voltage. Quasi-Fermi level splitting experiments and scanning electron microscopy cathodoluminescence hyperspectral imaging reveal that passivation provides a reduced nonradiative recombination at the interface between the perovskite and hole transport layer. Photoluminescence spectroscopy, angle-resolved grazing-incidence wide-angle X-ray scattering, and depth profiling X-ray photoelectron spectroscopy studies of the 2D/three-dimensional (3D) interface between the benzotriazole RPP and FAPbI<sub>3</sub> show that a nonuniform layer of 2D perovskites is enough to passivate defects, enhance charge extraction, and decrease nonradiative recombination.</p>