| 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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Ricciarelli, Damiano
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Laser‐Annealed SiO 2 /Si 1− x Ge x Scaffolds for Nanoscaled Devices, Synergy of Experiment, and Computation
- 2023Impact of surface reflectivity on the ultra-fast laser melting of silicon-germanium alloyscitations
- 2023Study on the electrical properties of ultrathin in situ Boron-doped strained Si0.7Ge0.3 layers annealed by nanosecond pulsed laser
- 2023Air- and water-stable and photocatalytically active germanium-based 2D perovskites by organic spacer engineeringcitations
- 2023Air- and water-stable and photocatalytically active germanium-based 2D perovskites by organic spacer engineeringcitations
- 2022Reaction Mechanism of Photocatalytic Hydrogen Production at Water/Tin Halide Perovskite Interfacescitations
- 2021Tuning halide perovskite energy levelscitations
- 2021Tuning halide perovskite energy levelscitations
- 2021Photocatalytic activity of silica and silica-silver nanocolloids based on photo-induced formation of reactive oxygen speciescitations
- 2021Outstanding passivation effect by a mixed-salt interlayer with internal interactions in perovskite solar cellscitations
- 2020Tuning halide perovskite energy levelscitations
Places of action
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article
Tuning halide perovskite energy levels
Abstract
<p>The ability to control the energy levels in semiconductors is compelling for optoelectronic applications. In this study, we managed to tune the work function (WF) of halide perovskite semiconductors using self-assembled monolayers of small molecules to induce stable dipoles at the surface. The direction and intensity of the surface dipoles rely on specific molecule-to-surface interactions. Electron acceptor or donor molecules result in the positive or negative WF shifts up to several hundreds of meV. Our approach provides a versatile tool to control the WF of halide perovskite and adjust the energy level alignment at the interface with charge transport materials in perovskite-based optoelectronics. The impact on perovskite solar cells is reported and discussed in detail with the support of modelling. </p>