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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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Gengenbach, Thomas
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Interpretation of Complex X-ray Photoelectron Peak Shapes Part II: Case Study of Fe 2p3/2 fitting applied to Austenitic Stainless Steels 316 and 304.citations
- 2020Covalent sizing surface modification as a route to improved interfacial adhesion in carbon fiber-epoxy compositescitations
- 2020Investigating the real-time dissolution of a compositionally complex alloy using inline ICP and correlation with XPScitations
- 2020Real-time dissolution of a compositionally complex alloy using inline ICP and correlation with XPScitations
- 2020Improving the Stability of Ambient-Processed SnO2-Based, Perovskite Solar Cells by UV-Treatment of the Sub-Cellscitations
- 2020Improving the Stability of Ambient processed, SnO2-Based, Perovskite Solar Cells by the UV-treatment of Sub-Cellscitations
- 2019Electrocatalytic CO2 reduction to formate on Cu based surface alloys with enhanced selectivitycitations
- 2019Fiber with Butterfly Wings: Creating Colored Carbon Fibers with Increased Strength, Adhesion, and Reversible Malleabilitycitations
- 2018Morphology and surface properties of high strength siloxane poly(urethane-urea)s developed for heart valve applicationcitations
- 2017Limitations with solvent exchange methods for synthesis of colloidalfullerenescitations
- 2017Reduction of surface fat formation on spray-dried milk powders through emulsion stabilization with λ-carrageenancitations
- 2016Effect of the deformability of guest particles on the tensile strength of tablets from interactive mixturescitations
- 2014Water-dispersible magnetic carbon nanotubes as T2-weighted MRI contrast agentscitations
- 2012One step multifunctional micropatterning of surfaces using asymmetric glow discharge plasma polymerisation
- 2011Characterization of the surface properties of a model pharmaceutical fine powder modified with a pharmaceutical lubricant to improve flow via a mechanical dry coating approachcitations
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article
Improving the Stability of Ambient processed, SnO2-Based, Perovskite Solar Cells by the UV-treatment of Sub-Cells
Abstract
SnO2 is nowadays the widely preferred material as an electron transport layer (ETL) in most of the n-i-p planar perovskite solar cells (PSCs) owing to their facility for ambient and low temperature processing. Its wide bandgap is claimed to facilitate device stability against UV light. Most of the reports published so far study device stability on full cells with ubiquitous use of Spiro-OMeTAD as a hole-transport layer. With Spiro-OMeTAD’s known instability, it is difficult to discern the role of SnO2 on the stability of the PSCs. This report exclusively investigates the role of slot-die coated SnO2 on air processed planar PSCs by analyzing sub cells (ITO/SnO2/perovskite) under UV-exposure.Results from UV vis spectroscopy, depth profiling using X ray diffraction measurement at grazing incidence mode (GIXRD) and X-ray Photoelectron Spectroscopy (XPS), photoluminescence spectroscopy measurements show that UV treatment of ITO/SnO2/perovskite has led to a reduced electron transfer to the SnO2 and a gradual increase in the amount of PbI2 towards the perovskite surfaces. Subsequently, the hole transporting layer (HTL) and electrodes were applied on SnO2/perovskite interfaces (UV-treated and non-UV treated) and complete devices were fabricated.Device performance was compared and analyzed through J-V curves and maximum power point (MPP) tracking. Results show that device built on UV-treated SnO2/perovskite interface shows better stability attributed to the presence of excess PbI2 resulting in a passivation effect. As a basis for our stability studies, we present also a section on a slot-die coating of SnO2, highlighting challenges in uniform film formation and potential solutions with the use of a polymeric additive.