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| Naji, M. |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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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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| 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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| Ali, M. A. |
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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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Ritslaid, Peeter
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Publications (7/7 displayed)
- 2024Threshold Switching and Resistive Switching in SnO2-HfO2 Laminated Ultrathin Filmscitations
- 2023Ag Sputter-Deposited on MnO2-Carbon Nanotube Nanocomposites as Electrocatalysts for Oxygen Reduction Reaction in Alkaline Mediacitations
- 2022Structure and Electrical Behavior of Hafnium-Praseodymium Oxide Thin Films Grown by Atomic Layer Depositioncitations
- 2022Structure and electrical behavior of hafnium-praseodymium oxide thin films Grown by atomic layer depositioncitations
- 2021Optical and mechanical properties of nanolaminates of zirconium and hafnium oxides grown by atomic layer depositioncitations
- 2018Atomic layer deposition and properties of ZrO2/Fe2O3 thin filmscitations
- 2014Atomic layer deposition of Zr<scp>O</scp><sub>2</sub> for graphene‐based multilayer structures: <i>In situ</i> and <i>ex situ</i> characterization of growth processcitations
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article
Ag Sputter-Deposited on MnO2-Carbon Nanotube Nanocomposites as Electrocatalysts for Oxygen Reduction Reaction in Alkaline Media
Abstract
<jats:p>As energy demand increases, new energy conversion methods are also sought. In this study, two MnO2 and multiwalled carbon nanotube (MWCNT) composites were prepared and decorated with silver using magnetron sputtering, to evaluate their electrocatalytic activity towards the oxygen reduction reaction (ORR). Three nominal thicknesses of Ag layers were used, 5, 10 and 20 nm. The physicochemical characterisation was carried out using scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy, as well as X-ray photoelectron spectroscopy. The substrate materials (MnO2-MWCNT) were also investigated by X-ray diffraction analysis. The electrochemical studies of the ORR revealed that the activity and stability of the composite catalysts depend on the substrate material and the Ag layer thickness.</jats:p>