| People | Locations | Statistics |
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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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Yang, Yang
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2024Effect of growth temperature on the microstructure and properties of epitaxial MoS2 monolayers grown by metalorganic chemical vapor depositioncitations
- 2024Hybrid Bonding Bottlebrush Polymers Grafted from a Supramolecular Polymer Backbonecitations
- 2024Unraveling the Mechanism of Alkali Metal Fluoride Post‐Treatment of SnO<sub>2</sub> for Efficient Planar Perovskite Solar Cellscitations
- 2024Oxygen-Mediated (0D) Cs4PbX6 Formation during Open-Air Thermal Processing Improves Inorganic Perovskite Solar Cell Performancecitations
- 2024Width-Dependent Growth of Atomically Thin Quantum Nanoribbons
- 2023Micromechanics of intra-laminar hybrid lamina with hollow fibres:
- 2023Micromechanics of intra-laminar hybrid lamina with hollow fibres::a RVE model
- 2022Origin of {112} < 111 > antitwinning in a Ti-24Nb-4Zr-8Sn superelastic single crystalcitations
- 2021Fully integrated flexible dielectric monitoring sensor system for real-time in situ prediction of the degree of cure and glass transition temperature of an epoxy resincitations
- 20213D printing for polymer/particle-based processing: A reviewcitations
- 2019Ultra-long-term reliable encapsulation using an atomic layer deposited Hfo2/Al2o3/Hfo2 triple-interlayer for biomedical implantscitations
- 2018High-performance p-type multicrystalline silicon (mc-Si)citations
- 2018Pitch measurements validation of a structural coloured steel insert using Scanning Confocal Microscopy (SCM) and Atomic Force Microscopy (AFM)
- 20183D multifunctional composites based on large-area stretchable circuit with thermoforming technologycitations
- 2017Ultrafast magnetization reversal by picosecond electrical pulsescitations
- 2017Arbitrarily shaped 2.5D circuits using stretchable interconnects embedded in thermoplastic polymerscitations
- 2017Influence of Fullerene Acceptor on the Performance, Microstructure, and Photophysics of Low Bandgap Polymer Solar Cellscitations
- 2017Enhancing Mechanical Properties of Nanocomposites Using Interconnected Carbon Nanotubes (<i>i</i>CNT) as Reinforcementcitations
- 2016One-time deformable thermoplastic devices based on flexible circuit board technologycitations
- 2016RTM Production Monitoring of the A380 Hinge Arm Droop Nose Mechanism: A Multi-Sensor Approachcitations
- 2016Deformation twinning in the full-α″ martensitic Ti–25Ta–20Nb shape memory alloycitations
- 2015Deformable microsystem for in situ cure degree monitoring of GFRP(Glass Fibre Reinforced Plastic)
- 2015Laser-based surface preparation of composite laminates leads to improved electrodes for electrical measurementscitations
- 2015Free-form 2.5D thermoplastic circuits using one-time stretchable interconnections
- 2014Analysis of interlaminar fracture toughness and damage mechanisms in composite laminates reinforced with sprayed multi-walled carbon nanotubescitations
- 2013Continued development of all-back-contact silicon wafer solar cells at ANUcitations
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article
Unraveling the Mechanism of Alkali Metal Fluoride Post‐Treatment of SnO<sub>2</sub> for Efficient Planar Perovskite Solar Cells
Abstract
<jats:title>Abstract</jats:title><jats:p>The facile synthesis and beneficial properties of tin oxide have driven the development of efficient planar perovskite solar cells (PSCs). To increase the PSC performance, alkali salts are used to treat the SnO<jats:sub>2</jats:sub> surface to minimize the defect states. However, the underlying mechanism of alkali cations' role in the PSCs needs further exploration. Herein the effect of alkali fluoride salts (KF, RbF, and CsF) on the properties of SnO<jats:sub>2</jats:sub> and PSC performance is investigated. The results show different alkali have significant roles depending on their nature. Larger cations Cs<jats:sup>+</jats:sup> preferably locate at the SnO<jats:sub>2</jats:sub> film surface to passivate surface defects and enhance conductivity, while smaller cations like Rb<jats:sup>+</jats:sup> or K<jats:sup>+</jats:sup> cations tend to diffuse into the perovskite layer to reduce trap density of the material. The former effect leads to enhanced fill factor while the latter effect increases the open circuit voltage of the device. It is then demonstrated that a dual cation post‐treatment of the SnO<jats:sub>2</jats:sub> layer with RbF and CsF achieves PSC with a significantly higher power conversion efficiency (PCE) of 21.66% compared to pristine PSC with a PCE of 19.71%. This highlights the significance of defect engineering of SnO<jats:sub>2</jats:sub> using selective multiple alkali treatment to improve PSC performance.</jats:p>