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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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Neagu, Dragos
University of St Andrews
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (34/34 displayed)
- 2024Squeezing Out Nanoparticles from Perovskites: Controlling Exsolution with Pressurecitations
- 2024Renewable syngas & hydrogen synthesis via steam reforming of glycerol over ceria-mediated exsolved metal nano catalystscitations
- 2023Renewable syngas & hydrogen synthesis via steam reforming of glycerol over ceria-mediated exsolved metal nano catalystscitations
- 2022Ni-doped A-site excess SrTiO3 thin films modified with Au nanoparticles by a thermodynamically-driven restructuring for plasmonic activitycitations
- 2022Ni-doped A-site excess SrTiO3 thin films modified with Au nanoparticles by a thermodynamically-driven restructuring for plasmonic activity ; ENEngelskEnglishNi-doped A-site excess SrTiO3 thin films modified with Au nanoparticles by a thermodynamically-driven restructuring for plasmonic activitycitations
- 2021Exsolution of catalytically active iridium nanoparticles from strontium titanatecitations
- 2021Stability and activity controls of Cu nanoparticles for high-performance solid oxide fuel cellscitations
- 2021Alkaline modified A-site deficient perovskite catalyst surface with exsolved nanoparticles and functionality in biomass valorisationcitations
- 2020Exsolution of catalytically active iridium nanoparticles from strontium titanatecitations
- 2020Endogenous nanoparticles strain perovskite host lattice providing oxygen capacity and driving oxygen exchange and CH4 conversion to syngascitations
- 2020Symmetrical Exsolution of Rh Nanoparticles in Solid Oxide Cells for Efficient Syngas Production from Greenhouse Gasescitations
- 2020Low temperature methane conversion with perovskite-supported exo/endo-particlescitations
- 2019In situ observation of nanoparticle exsolution from Perovskite oxides:from atomic scale mechanistic insight to nanostructure tailoringcitations
- 2019In situ observation of nanoparticle exsolution from perovskite oxidescitations
- 2019Towards efficient use of noble metalscitations
- 2018Sulfur-tolerant, exsolved Fe–Ni alloy nanoparticles for CO oxidationcitations
- 2018Spinel-based coatings for metal supported solid oxide fuel cellscitations
- 2017Demonstration of chemistry at a point through restructuring and catalytic activation at anchored nanoparticlescitations
- 2017Spinel-based coatings for metal supported solid oxide fuel cellscitations
- 2017Spinel-based coatings for metal supported solid oxide fuel cellscitations
- 2016Evidence and model for strain-driven release of metal nano-catalysts from perovskites during exsolutioncitations
- 2016Evolution of the electrochemical interface in high-temperature fuel cells and electrolyserscitations
- 2016Evolution of the electrochemical interface in high-temperature fuel cells and electrolyserscitations
- 2015Evidence and model for strain-driven release of metal nano-catalysts from perovskites during exsolutioncitations
- 2015Nano-socketed nickel particles with enhanced coking resistance grown in situ by redox exsolutioncitations
- 2014Calculation of a standard reformed biogas composition and testing on SOFC anode powderscitations
- 2013Step-change in high temperature steam electrolysis performance of perovskite oxide cathodes with exsolution of B-site dopantscitations
- 2013Calculation of a standard reformed biogas composition and testing on SOFC anode powderscitations
- 2013Perovskite Defect Chemistry as Exemplified by Strontium Titanatecitations
- 2013In situ growth of nanoparticles through control of non-stoichiometrycitations
- 2010Structure and Properties of La 0.4 Sr 0.4 TiO 3 Ceramics for Use as Anode Materials in Solid Oxide Fuel Cellscitations
- 2010Mecanism de creştere şi proprietǎţi ale filmelor subţiri de YBa2Cu3O7-αdepuse prin ablaţie laser PE (001) SrTiO3
- 2010Structure and properties of La0.4Sr0.4TiO3 Ceramics for use as anode materials in solid oxide fuel cellscitations
- 2010Synthesis of ceria-based ceramics by combustion technique
Places of action
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article
Renewable syngas & hydrogen synthesis via steam reforming of glycerol over ceria-mediated exsolved metal nano catalysts
Abstract
Currently, catalyst design and development has drawn much attention as results of its strategic importance in the area of energy applications particular those involving biomass conversion. This work tailored exsolution of metal catalysts through the use of ceria for enhanced structural and catalytic behaviour in steam reforming of glycerol. Aside the understanding that defects due to A-site deficiency facilitates formation of vacant sites and exsolution of metal catalysts on the B-site of perovskite systems, this work has exemplified that metals such as ceria significantly influences the exsolution and general morphological surface architecture and catalytic behaviour. The exsolved nickel catalysts anchored and socketed on a titanate support and the ceria's basic surface properties and oxygen storage-release behaviour has modified the perovskite surface chemistry and enhanced catalytic behaviour particularly deactivation due to carbon deposition and reusability. Other exsolvable dopant metal species such as Fe and Co forms alloys with nickel on the surface and the synergy between the dopant metals in the alloy yielded better results. Furthermore, in one of the catalyst systems, the most commonly observed tolerable A-site deficiency and doping limit of 2% known for SrTiO<sub>3</sub> perovskite was overstretched by 0.5% (2.5%) thereby increasing the defect chemistry. The catalyst system with such formulation has shown a dramatic exsolution phenomenon and catalytic behaviour and robust suppression of coke deposition. CO selectivity >60% and H<sub>2</sub> selectivity >40% was recorded with all the catalyst systems. The catalysts used in this work are useful for applications in energy and production of value added chemicals.