| 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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Spadaro, Maria Chiara
Marche Polytechnic University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2024Abnormal copper coordination obtained by a TiO2 overlayer as the key to enhance photocatalytic hydrogen generationcitations
- 2024Abnormal copper coordination obtained by a TiO2 overlayer as the key to enhance photocatalytic hydrogen generationcitations
- 2024Abnormal Copper Coordination obtained by TiO2 overlayer as a key for enhanced photocatalytic hydrogen generationcitations
- 2024Unraveling Exchange Coupling in Ferrites Nano-heterostructurescitations
- 2023Epitaxially Driven Phase Selectivity of Sn in Hybrid Quantum Nanowirescitations
- 2023Epitaxially Driven Phase Selectivity of Sn in Hybrid Quantum Nanowirescitations
- 2023Tunable particle-agglomeration and magnetic coupling in bi-magnetic nanocompositescitations
- 2023Tunable particle-agglomeration and magnetic coupling in bi-magnetic nanocompositescitations
- 2023Unraveling Exchange Coupling in Ferrites Nano‐Heterostructurescitations
- 2023Direct operando visualization of metal support interactions induced by hydrogen spillover during CO2 hydrogenationcitations
- 2023Direct Operando Visualization of Metal Support Interactions Induced by Hydrogen Spillover During CO2 Hydrogenationcitations
- 2022Sustainable oxygen evolution electrocatalysis in aqueous 1 M H2SO4 with earth abundant nanostructured Co3O4citations
- 2022Sustainable oxygen evolution electrocatalysis in aqueous 1 M H2SO4 with earth abundant nanostructured Co3O4citations
- 2022Doubling the mobility of InAs/InGaAs selective area grown nanowirescitations
- 2022Surface functionalization of surfactant-free particles : a strategy to tailor the properties of nanocomposites for enhanced thermoelectric performancecitations
- 2022Sustainable oxygen evolution electrocatalysis in aqueous 1 M HSO with earth abundant nanostructured CoO
- 2022Defect engineering in solution-processed polycrystalline SnSe leads to high thermoelectric performancecitations
- 2022Defect engineering in solution-processed polycrystalline SnSe leads to high thermoelectric performancecitations
- 2022Sub-nanometer mapping of strain-induced band structure variations in planar nanowire core-shell heterostructures
- 2022Sub-nanometer mapping of strain-induced band structure variations in planar nanowire core-shell heterostructurescitations
- 2022Sub-nanometer mapping of strain-induced band structure variations in planar nanowire core-shell heterostructurescitations
- 2021Tailoring plasmonic resonances in Cu-Ag metal islands filmscitations
- 2021Tailoring plasmonic resonances in Cu-Ag metal islands filmscitations
- 2020Synergistic Computational-Experimental Discovery of Highly Selective PtCu Nanocluster Catalysts for Acetylene Semihydrogenationcitations
Places of action
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article
Direct operando visualization of metal support interactions induced by hydrogen spillover during CO2 hydrogenation
Abstract
The understanding of catalyst active sites is a fundamental challenge for the future rational design of optimized and bespoke catalysts. For instance, the partial reduction of Ce4+ surface sites to Ce3+ and the formation of oxygen vacancies are critical for CO2 hydrogenation, CO oxidation, and the water gas shift reaction. Furthermore, metal nanoparticles, the reducible support, and metal support interactions are prone to evolve under reaction conditions; therefore a catalyst structure must be characterized under operando conditions to identify active states and deduce structure-activity relationships. In the present work, temperature-induced morphological and chemical changes in Ni nanoparticle-decorated mesoporous CeO2 by means of in situ quantitative multimode electron tomography and in situ heating electron energy loss spectroscopy, respectively, are investigated. Moreover, operando electron energy loss spectroscopy is employed using a windowed gas cell and reveals the role of Ni-induced hydrogen spillover on active Ce3+ site formation and enhancement of the overall catalytic performance. ; K.J. and S.B. acknowledge funding from ERC Consolidator Grant #815128 – REALNANO and European Union's Horizon 2020 research and innovation program under grant agreement #823717 – ESTEEM3. The authors want to acknowledge Dr. Wiebke Albreacht and Prof. dr. Thomas Altantzis for their contribution to discussions and initial experimentation. ICN2 and IREC acknowledge funding from Generalitat de Catalunya 2021SGR00457 and 2021SGR01581, respectively. This study is part of the Advanced Materials programme and was supported by MCIN with funding from European Union NextGenerationEU (PRTR-C17.I1) and by Generalitat de Catalunya. The authors thank support from the projects PID2019-108136RB-C33, PID2020-116093RB-C42, and -C43, funded by MCIN/ AEI/10.13039/501100011033/ and by “ERDF A way of making Europe”, by the “European Union”. ICN2 is supported by the Severo Ochoa program from Spanish MCIN / AEI (Grant No.: CEX 21-001214-S). ICN2 ...