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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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Skurlov, Ivan D.
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Publications (3/3 displayed)
- 2024Near-infrared two-photon excited photoluminescence from Yb3+-doped CsPbClxBr3−x perovskite nanocrystals embedded into amphiphilic silica microspherescitations
- 2023Anion-assisted Yb3+ and Mn2+ doping of 0D and 2D lead halide perovskite nanostructurescitations
- 2019Ternary Composites with PbS Quantum Dots for Hybrid Photovoltaicscitations
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article
Ternary Composites with PbS Quantum Dots for Hybrid Photovoltaics
Abstract
Ternary hybrid photovoltaics based on polymers, fullerenes, and colloidal semiconductor quantum dots (QDs) bring together high efficiency and technological flexibility. To increase the performance of such hybrid solar cells, a thorough control over both film morphology and charge transport is required. In the present work, the morphology and optical properties of films of binary and ternary blends of PbS QDs with poly(3-hexylthiophene-2,5diyl) and [6,6]-phenyl C<sub>71</sub>butyric acid methyl ester have been investigated by steady-state and time-resolved photoluminescence spectroscopy, atomic force microscopy, and confocal laser-scanning microscopy. The influence of postdeposition and liquid-phase ligand exchange procedures on film properties has been considered. It is shown that the liquid-phase iodide passivation improves both film quality and charge-transfer efficiency. The mixture of three components facilitates charge transfer in the hybrid material, but a thorough control over QD size and ligand type is required.