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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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Prestat, Eric
Culham Centre for Fusion Energy
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2020Splenic Capture and In Vivo Intracellular Biodegradation of Biological-grade Graphene Oxide Sheetscitations
- 2019Enhanced Intraliposomal Metallic Nanoparticle Payload Capacity Using Microfluidic-Assisted Self-Assemblycitations
- 2018Study on the formation of thin film nanocomposite (TFN) membranes of polymers of intrinsic microporosity and graphene-like fillers: effect of lateral flake size and chemical functionalizationcitations
- 2018Study on the formation of thin film nanocomposite (TFN) membranes of polymers of intrinsic microporosity and graphene-like fillers: effect of lateral flake size and chemical functionalizationcitations
- 2017A Simple Electrochemical Route to Metallic Phase Trilayer MoS2: evaluation as Electrocatalysts and Supercapacitorscitations
- 2017A Simple Electrochemical Route to Metallic Phase Trilayer MoS2: evaluation as Electrocatalysts and Supercapacitorscitations
- 2017Enhanced organophilic separations with mixed matrix membranes of polymers of intrinsic microporosity and graphene-like fillerscitations
- 2017Role of 2D and 3D defects on the reduction of LaNiO 3 nanoparticles for catalysiscitations
- 2017In Situ Industrial Bimetallic Catalyst Characterisation using Scanning Transmission Electron Microscopy and X-Ray Absorption Spectroscopy at One Atmosphere and Elevated Temperaturecitations
- 2017In Situ Industrial Bimetallic Catalyst Characterisation using Scanning Transmission Electron Microscopy and X-Ray Absorption Spectroscopy at One Atmosphere and Elevated Temperaturecitations
- 2017Observing imperfection in atomic interfaces for van der Waals heterostructurescitations
- 2017EXPLORING NANOSCALE PRECURSOR REACTIONS IN ALLOY 600 IN H2/N2-H2O VAPOR USING IN SITU ANALYTICAL TRANSMISSION ELECTRON MICROSCOPYcitations
- 2017Mapping grain boundary heterogeneity at the nanoscale in a positive temperature coefficient of resistivity ceramiccitations
- 2017Mapping grain boundary heterogeneity at the nanoscale in a positive temperature coefficient of resistivity ceramiccitations
- 2017Mapping grain boundary heterogeneity at the nanoscale in a positive temperature coefficient of resistivity ceramiccitations
- 2017EXPLORING NANOSCALE PRECURSOR REACTIONS IN ALLOY 600 IN H 2 /N 2 -H 2 O VAPOR USING IN SITU ANALYTICAL TRANSMISSION ELECTRON MICROSCOPYcitations
- 2017Role of 2D and 3D defects on the reduction of LaNiO3 nanoparticles for catalysiscitations
- 2016The Application of In Situ Analytical Transmission Electron Microscopy to the Study of Preferential Intergranular Oxidation in Alloy 600citations
- 2016The Application of In Situ Analytical Transmission Electron Microscopy to the Study of Preferential Intergranular Oxidation in Alloy 600citations
- 2016Imaging the hydrated microbe-metal interface using nanoscale spectrum imagingcitations
- 2016Synthesis and characterization of composite membranes made of graphene and polymers of intrinsic microporositycitations
- 2014Real-time imaging and elemental mapping of AgAu nanoparticle transformationscitations
Places of action
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article
In Situ Industrial Bimetallic Catalyst Characterisation using Scanning Transmission Electron Microscopy and X-Ray Absorption Spectroscopy at One Atmosphere and Elevated Temperature
Abstract
We have developed a new experimental platform for in situ scanning transmission electron microscope (STEM) energy dispersive X-ray spectroscopy (EDS) which allows real time, nanoscale, elemental and structural changes to be studied at elevated temperature (up to 1000°C) and pressure (up to 1 atm). Here we demonstrate the first application of this approach to understand complex structural changes occurring during reduction of a bimetallic catalyst, PdCu supported on TiO2, synthesized by wet impregnation. We reveal a heterogeneous evolution of nanoparticle size, particle distribution and composition with large differences in reduction behavior for the two metals. We show that the data obtained is complementary to in situ STEM electron energy loss spectroscopy (EELS) and when combined with in situ X-ray absorption spectroscopy (XAS) allows correlation of bulk chemical state with nanoscale changes in elemental distribution during reduction, facilitating new understanding of the catalytic behavior for this important class of materials.