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View article: Cu–Ga Interactions and Support Effects in CO<sub>2</sub> Hydrogenation to Methanol Catalyzed by Size-Controlled CuGa Nanoparticles Deposited on SiO<sub>2</sub> and ZnO
Cu–Ga Interactions and Support Effects in CO<sub>2</sub> Hydrogenation to Methanol Catalyzed by Size-Controlled CuGa Nanoparticles Deposited on SiO<sub>2</sub> and ZnO Open
Growing environmental concerns have led to a need for the reduction of CO2 emissions and the search for alternative fuels. The synthesis of methanol via the CO2 hydrogenation reaction provides a promising approach for these tasks. Promotin…
View article: Direct Alcoholysis of Glucose into Alkyl Levulinates Catalysed by Metal-Doped Sulfonated Activated Carbon
Direct Alcoholysis of Glucose into Alkyl Levulinates Catalysed by Metal-Doped Sulfonated Activated Carbon Open
Lignocellulosic biomass is widely studied to produce alkyl levulinate through alcoholysis catalysed by acid catalyst, which potentially used as a biofuel additive. However, the poor properties of homogeneous catalyst have prompted this stu…
View article: Revealing Catalyst Restructuring and Composition During Nitrate Electroreduction through Correlated Operando Microscopy and Spectroscopy
Revealing Catalyst Restructuring and Composition During Nitrate Electroreduction through Correlated Operando Microscopy and Spectroscopy Open
Determining the active phase of an electrocatalyst at work is key to understanding its properties. However, the operating morphology of electrocatalysts is challenging to investigate because they can restructure into different motifs under…
View article: Understanding the Growth of Electrodeposited PtNi Nanoparticle Films Using Correlated <i>In Situ</i> Liquid Cell Transmission Electron Microscopy and Synchrotron Radiation
Understanding the Growth of Electrodeposited PtNi Nanoparticle Films Using Correlated <i>In Situ</i> Liquid Cell Transmission Electron Microscopy and Synchrotron Radiation Open
Electrodeposition is a versatile method for synthesizing nanostructured films, but controlling the morphology of films containing two or more elements requires a detailed understanding of the deposition process. We used liquid cell transmi…
View article: Electrocatalytic Nitrate and Nitrite Reduction toward Ammonia Using Cu<sub>2</sub>O Nanocubes: Active Species and Reaction Mechanisms
Electrocatalytic Nitrate and Nitrite Reduction toward Ammonia Using Cu<sub>2</sub>O Nanocubes: Active Species and Reaction Mechanisms Open
The electrochemical reduction of nitrate (NO3-) and nitrite (NO2-) enables sustainable, carbon-neutral, and decentralized routes to produce ammonia (NH3). Copper-based materials are promising electrocatalysts for NOx- conversion to NH3. Ho…
View article: Enhanced Methanol Synthesis from CO<sub>2</sub> Hydrogenation Achieved by Tuning the Cu–ZnO Interaction in ZnO/Cu<sub>2</sub>O Nanocube Catalysts Supported on ZrO<sub>2</sub> and SiO<sub>2</sub>
Enhanced Methanol Synthesis from CO<sub>2</sub> Hydrogenation Achieved by Tuning the Cu–ZnO Interaction in ZnO/Cu<sub>2</sub>O Nanocube Catalysts Supported on ZrO<sub>2</sub> and SiO<sub>2</sub> Open
[Image: see text] The nature of the Cu–Zn interaction and especially the role of Zn in Cu/ZnO catalysts used for methanol synthesis from CO(2) hydrogenation are still debated. Migration of Zn onto the Cu surface during reaction results in …
View article: Revealing the Intrinsic Restructuring of Bi<sub>2</sub>O<sub>3</sub> Nanoparticles into Bi Nanosheets during Electrochemical CO<sub>2</sub> Reduction
Revealing the Intrinsic Restructuring of Bi<sub>2</sub>O<sub>3</sub> Nanoparticles into Bi Nanosheets during Electrochemical CO<sub>2</sub> Reduction Open
Bismuth is a catalyst material that selectively produces formate during the electrochemical reduction of CO2. While different synthesis strategies have been employed to create electrocatalysts with better performance, the restructuring of …
View article: Reversible Structural Evolution of Metal‐Nitrogen‐Doped Carbon Catalysts During CO<sub>2</sub> Electroreduction: An Operando X‐ray Absorption Spectroscopy Study
Reversible Structural Evolution of Metal‐Nitrogen‐Doped Carbon Catalysts During CO<sub>2</sub> Electroreduction: An Operando X‐ray Absorption Spectroscopy Study Open
Electrochemical CO 2 reduction (CO 2 RR) is a rising technology, aiming to reduce the energy sector dependence on fossil fuels and to produce carbon‐neutral raw materials. Metal‐nitrogen‐doped carbons (M‐N‐C) are emerging, cost‐effective c…
View article: <i>Operando</i> Electron Microscopy of Catalysts: The Missing Cornerstone in Heterogeneous Catalysis Research?
<i>Operando</i> Electron Microscopy of Catalysts: The Missing Cornerstone in Heterogeneous Catalysis Research? Open
Heterogeneous catalysis in thermal gas-phase and electrochemical liquid-phase chemical conversion plays an important role in our modern energy landscape. However, many of the structural features that drive efficient chemical energy convers…
View article: Single-shot, coherent, pop-out 3D metrology
Single-shot, coherent, pop-out 3D metrology Open
Three-dimensional (3D) imaging of thin, extended specimens at nanometer resolution is critical for applications in biology, materials science, advanced synthesis, and manufacturing. One route to 3D imaging is tomography, which requires a t…
View article: <i>Operando</i> insights into correlating CO coverage and Cu–Au alloying with the selectivity of Au NP-decorated Cu<sub>2</sub>O nanocubes during the electrocatalytic CO<sub>2</sub> reduction
<i>Operando</i> insights into correlating CO coverage and Cu–Au alloying with the selectivity of Au NP-decorated Cu<sub>2</sub>O nanocubes during the electrocatalytic CO<sub>2</sub> reduction Open
Adding small amounts of Au Nanoparticles on Cu 2 O Nanocubes boost the selectivity of C 2+ products during electrocatalytic CO 2 reduction reaction.
View article: Spatially and Chemically Resolved Visualization of Fe Incorporation into NiO Octahedra during the Oxygen Evolution Reaction
Spatially and Chemically Resolved Visualization of Fe Incorporation into NiO Octahedra during the Oxygen Evolution Reaction Open
The activity of Ni (hydr)oxides for the electrochemical evolution of oxygen (OER), a key component of the overall water splitting reaction, is known to be greatly enhanced by the incorporation of Fe. However, a complete understanding of th…
View article: Single-shot, coherent, pop-out 3D metrology
Single-shot, coherent, pop-out 3D metrology Open
Custom code for Pop-out 3D metrology. The package contains Jupyter Notebook (IPython) with a Python implementation of the algorithm with simulated datasets for reconstruction. Please read the method section of the manuscript for a more det…
View article: Shape-Dependent CO<sub>2</sub> Hydrogenation to Methanol over Cu<sub>2</sub>O Nanocubes Supported on ZnO
Shape-Dependent CO<sub>2</sub> Hydrogenation to Methanol over Cu<sub>2</sub>O Nanocubes Supported on ZnO Open
The hydrogenation of CO2 to methanol over Cu/ZnO-based catalysts is highly sensitive to the surface composition and catalyst structure. Thus, its optimization requires a deep understanding of the influence of the pre-catalyst structure on …
View article: Rational engineering of metal–organic coordination networks into facet‐controlled phosphides for overall water splitting
Rational engineering of metal–organic coordination networks into facet‐controlled phosphides for overall water splitting Open
Although transition metal phosphide electrocatalysts display unique electronic structure that serves as functional centers for hydrogen evolution reaction, the synthesis of this class of materials for oxygen evolution remains a challenge d…
View article: Periodic structural changes in Pd nanoparticles during oscillatory CO oxidation reaction
Periodic structural changes in Pd nanoparticles during oscillatory CO oxidation reaction Open
Nanoparticle (NP) catalysts are ubiquitous in energy systems, chemical production, and reducing the environmental impact of many industrial processes. Under reactive environments, the availability of catalytically active sites on the NP su…
View article: Single-shot, coherent, pop-out 3D metrology
Single-shot, coherent, pop-out 3D metrology Open
Three-dimensional (3D) imaging of thin, extended specimens at nanometer resolution is critical for applications in biology, materials science, advanced synthesis, and manufacturing. One route to 3D imaging is tomography, which requires a t…
View article: 2022 roadmap on low temperature electrochemical CO<sub>2</sub> reduction
2022 roadmap on low temperature electrochemical CO<sub>2</sub> reduction Open
Electrochemical CO 2 reduction (CO 2 R) is an attractive option for storing renewable electricity and for the sustainable production of valuable chemicals and fuels. In this roadmap, we review recent progress in fundamental understanding, …
View article: Highly Stable and Reactive Platinum Single Atoms on Oxygen Plasma‐Functionalized CeO<sub>2</sub> Surfaces: Nanostructuring and Peroxo Effects
Highly Stable and Reactive Platinum Single Atoms on Oxygen Plasma‐Functionalized CeO<sub>2</sub> Surfaces: Nanostructuring and Peroxo Effects Open
Atomically dispersed precious metals on oxide supports have recently become increasingly interesting catalytic materials. Nonetheless, their non‐trivial preparation and limited thermal and environmental stability constitutes an issue for t…
View article: Highly Stable and Reactive Platinum Single Atoms on Oxygen Plasma‐Functionalized CeO<sub>2</sub> Surfaces: Nanostructuring and Peroxo Effects
Highly Stable and Reactive Platinum Single Atoms on Oxygen Plasma‐Functionalized CeO<sub>2</sub> Surfaces: Nanostructuring and Peroxo Effects Open
Atomically dispersed precious metals on oxide supports have recently become increasingly interesting catalytic materials. Nonetheless, their non‐trivial preparation and limited thermal and environmental stability constitutes an issue for t…
View article: Iodide-mediated Cu catalyst restructuring during CO<sub>2</sub>electroreduction
Iodide-mediated Cu catalyst restructuring during CO<sub>2</sub>electroreduction Open
“Changes in electrocatalyst morphology induced by iodide pre-treatment and during CO 2 reduction are visualized using electrochemical cell TEM, revealing how adding iodide leads to stabilized Cu + and I − species, and selectivity towards C…
View article: Understanding Structure-Property Relationships in Nanoparticle Electrocatalysts through Correlated Electron Microscopies
Understanding Structure-Property Relationships in Nanoparticle Electrocatalysts through Correlated Electron Microscopies Open
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View article: Role of the Oxide Support on the Structural and Chemical Evolution of Fe Catalysts during the Hydrogenation of CO<sub>2</sub>
Role of the Oxide Support on the Structural and Chemical Evolution of Fe Catalysts during the Hydrogenation of CO<sub>2</sub> Open
Iron-based catalysts are considered active for the hydrogenation of CO2 toward high-order hydrocarbons. Here, we address the structural and chemical evolution of oxide-supported iron nanoparticles (NPs) during the activation stages and dur…