| People | Locations | Statistics |
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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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Roelsgaard, Martin
Aarhus University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2023Operando X-ray scattering study of segmented thermoelectric Zn$_4$Sb$_3$citations
- 2023Operando X-ray scattering study of segmented thermoelectric Zn 4 Sb 3citations
- 2023Operando X-ray scattering study of segmented thermoelectric Zn4Sb3citations
- 2021Structural evolution in thermoelectric zinc antimonide thin films studied by in situ X-ray scattering techniquescitations
- 2020Autocatalytic Formation of High-Entropy Alloy Nanoparticlescitations
- 2020Mapping the redox chemistry of common solvents in solvothermal synthesis through in situ X-ray diffractioncitations
- 2020Mapping the redox chemistry of common solvents in solvothermal synthesis through: In situ X-ray diffractioncitations
- 2020Maximizing the Catalytically Active {001} Facets on Anatase Nanoparticlescitations
- 2020Maximizing the Catalytically Active {001} Facets on Anatase Nanoparticlescitations
- 2016The hydrothermal synthesis, crystal structure and electrochemical properties of MnSb 2 O 4citations
- 2016The hydrothermal synthesis, crystal structure and electrochemical properties of MnSb2O4citations
Places of action
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article
Autocatalytic Formation of High-Entropy Alloy Nanoparticles
Abstract
<p>High-entropy alloy (HEA) nanoparticles hold great promise as tunable catalysts. Despite the fact that alloy formation is typically difficult in oxygen-rich environments, we found that Pt-Ir-Pd-Rh-Ru nanoparticles can be synthesized under benign low-temperature solvothermal conditions. In situ X-ray scattering and transmission electron microscopy reveal the solvothermal formation mechanism of Pt-Ir-Pd-Rh-Ru nanoparticles. For the individual metal acetylacetonate precursors, formation of single metal nanoparticles takes place at temperatures spanning from ca. 150 °C for Pd to ca. 350 °C for Ir. However, for the mixture, homogenous Pt-Ir-Pd-Rh-Ru HEA nanoparticles can be obtained around 200 °C due to autocatalyzed metal reduction at the (111) facets of the forming crystallites. The autocatalytic formation mechanism suggests that many types of HEA nanocatalysts should accessible with scalable solvothermal reactions, thereby providing broad availability and tunability.</p>