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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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Michalska, Monika
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2023Machine Learning Enhanced High‐Throughput Fabrication and Optimization of Quasi‐2D Ruddlesden–Popper Perovskite Solar Cellscitations
- 2022One-pot SnO2 Nanoparticle Ink Synthesis and their Use in Printable Perovskite Solar Cellscitations
- 2021Microfluidic Processing of Ligand-Engineered NiO Nanoparticles for Low-Temperature Hole-Transporting Layers in Perovskite Solar Cellscitations
- 2017New synthesis route to decorate Li 4 Ti 5 O 12 grains with GO flakescitations
Places of action
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article
One-pot SnO2 Nanoparticle Ink Synthesis and their Use in Printable Perovskite Solar Cells
Abstract
Metal halide perovskite materials are promising candidates for printable solar cells due to their feasibility for achieving high device efficiency at a processing low-temperature. One of the key challenges in printed perovskite solar cell (PSC) research is to develop low-temperature processable charge-transporting layers for both electron and hole transporting materials, which can be used within large scale roll-to-roll (R2R) printing techniques. Colloidal inks present a lucrative approach to their dep-osition, provided that the size of the nanoparticles (NPs) is controlled to less than a few tens of nanometres (ideally < 20 nm), they can be deposited as uniform films, and can be processed at low temperatures (typically < 140 °C). Here, we report a facile and scalable route for the synthesis of SnO2 NP dispersions using a microwave-assisted “benzyl alcohol” approach that is compatible with all of these R2R printing requirements. The method enables crystalline SnO2 NPs to be synthesised with controlled average particle size (~6.5 nm) and be used directly as an ink without any post-synthesis purification (i.e. one-pot synthesis). The use of these SnO2 NPs has been explored as an electron transport layer (ETL) within planar PSCs using spin-coating and thermal processing at 140 °C for 2 min, yielding devices with over 18 % photo-conversion efficiency (PCE). Comparable devices were also fabricated using slot-die coated SnO2 on glass substrates and R2R-coated SnO2 on plas-tic substrates yielding efficiencies of 15.3% and 10.4%, respectively. Our results demonstrate the suitability of the developed SnO2 ink to be used for the deposition of ETLs in optoelectronic devices by industrial-scale R2R printing processes.