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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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Seidel, Jan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Microscopic and nanoscale mechanical properties of tonkin cane bamboo measured by advanced AFM methodscitations
- 2022"oxygen Sponge" Dynamics in Topotactic SrCo1- xFexO3-δcitations
- 2022Correction to Microstructural Evaluation of Phase Instability in Large Bandgap Metal Halide Perovskites
- 2021Microstructural Evaluation of Phase Instability in Large Bandgap Metal Halide Perovskitescitations
- 2020Interfacial Responsive Functional Oxides for Nanoelectronicscitations
- 2020Unveiling the relationship between the perovskite precursor solution and the resulting device performancecitations
- 2018Enhanced piezoelectricity of thin film hafnia-zirconia (HZO) by inorganic flexible substratescitations
- 2016Direct evidence for the spin cycloid in strained nanoscale bismuth ferrite thin filmscitations
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article
Unveiling the relationship between the perovskite precursor solution and the resulting device performance
Abstract
<p>For the fabrication of perovskite solar cells (PSCs) using a solution process, it is essential to understand the characteristics of the perovskite precursor solution to achieve high performance and reproducibility. The colloids (iodoplumbates) in the perovskite precursors under various conditions were investigated by UV-visible absorption, dynamic light scattering, photoluminescence, and total internal reflection fluorescence microscopy techniques. Their local structure was examined by in situ X-ray absorption fine structure studies. Perovskite thin films on a substrate with precursor solutions were characterized by transmission electron microscopy, X-ray diffraction analysis, space-charge-limited current, and Kelvin probe force microscopy. The colloidal properties of the perovskite precursor solutions were found to be directly correlated with the defect concentration and crystallinity of the perovskite film. This work provides guidelines for controlling perovskite films by varying the precursor solution, making it possible to use colloid-engineered lead halide perovskite layers to fabricate efficient PSCs.</p><p>[Graphic presents]<br/></p>