Pascal Bargiela
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View article: Elucidating Cobalt Promotion in Supported Re Sulfide Catalysts in HDS/HER
Elucidating Cobalt Promotion in Supported Re Sulfide Catalysts in HDS/HER Open
International audience
View article: Deriving Stable Peak Models to Fit Complex XPS Data From Cu Contaminated Pt Electrocatalysts
Deriving Stable Peak Models to Fit Complex XPS Data From Cu Contaminated Pt Electrocatalysts Open
X‐ray Photoelectron Spectroscopy spectra peak models, designed to partition photoemission signals emanating from different elements or chemical states within an atom, are fitted to data limited to an energy interval over which inelasticall…
View article: Renewable diesel and bio-aromatics production from waste cooking oil using ethanol as a hydrogen donor in deoxygenation reaction
Renewable diesel and bio-aromatics production from waste cooking oil using ethanol as a hydrogen donor in deoxygenation reaction Open
View article: Palm oil deoxygenation with glycerol as a hydrogen donor for renewable fuel production using nickel-molybdenum catalysts: The effect of support
Palm oil deoxygenation with glycerol as a hydrogen donor for renewable fuel production using nickel-molybdenum catalysts: The effect of support Open
Palm oil, one of the most widely used vegetable oils, offers significant potential as a sustainable feedstock for biofuel production. This study explores the deoxygenation of palm oil using glycerol as a hydrogen donor, with nickel‑molybde…
View article: Exploring untapped potential of the molecular precursor approach to control fluorine-doping in mesostructured titania for acid catalysis
Exploring untapped potential of the molecular precursor approach to control fluorine-doping in mesostructured titania for acid catalysis Open
New fluorinated molecular precursors in the sol–gel process allow better control of fluorination and, therefore, precise tuning of the surface and acid properties of F-doped TiO 2 nanocatalysts.
View article: Innovative Synthesis of YF<sub>3</sub>‐TiO<sub>2</sub> Acid–Base Catalysts with High Surface Area by Embedding Yttrium Trifluoride Nanoparticles in TiO<sub>2</sub> Metallogel
Innovative Synthesis of YF<sub>3</sub>‐TiO<sub>2</sub> Acid–Base Catalysts with High Surface Area by Embedding Yttrium Trifluoride Nanoparticles in TiO<sub>2</sub> Metallogel Open
Combining a water‐tolerant oxide such as TiO 2 with yttrium fluoride is expected to provide catalysts with enhanced acid–base properties for catalytic applications in water. We present here a new strategy of incorporating preformed YF 3 na…
View article: Surface science insight note: Imaging X‐ray photoelectron spectroscopy
Surface science insight note: Imaging X‐ray photoelectron spectroscopy Open
Quantification of X‐ray photoelectron spectroscopy (XPS) data is often limited by the heterogeneous nature of the material surface. However, it is often the case that heterogeneous material contains areas within the analyzed area that are …
View article: Surface chemistry of ion beam modified native titania/Ti interfaces examined using X-ray photoelectron spectroscopy
Surface chemistry of ion beam modified native titania/Ti interfaces examined using X-ray photoelectron spectroscopy Open
View article: Surface science insight note: Charge compensation and charge correction in X‐ray photoelectron spectroscopy
Surface science insight note: Charge compensation and charge correction in X‐ray photoelectron spectroscopy Open
Strategies to deal with sample charging effects on X‐ray photoelectron spectroscopy (XPS) spectra are presented. These strategies combine charge compensation (or lack of) via a flow of electrons and an electrical connection (or lack of) of…
View article: Surface science insight note: A linear algebraic approach to elucidate native films on Fe <sub>3</sub> O <sub>4</sub> surface
Surface science insight note: A linear algebraic approach to elucidate native films on Fe <sub>3</sub> O <sub>4</sub> surface Open
Standard materials are often used to obtain spectra that can be compared to those from unknown samples. Spectra measured from these known substances are also used as a means of computing sensitivity factors to allow quantification by X‐ray…
View article: Surface Analysis Insight Note: Observations relating to photoemission peak shapes, oxidation state, and chemistry of titanium oxide films
Surface Analysis Insight Note: Observations relating to photoemission peak shapes, oxidation state, and chemistry of titanium oxide films Open
It is common practice to describe the coordination of metal atoms in a binding configuration with their nearest neighbors in terms of oxidation state, a measure by which the number of electrons redistributed between atoms forming chemical …
View article: Surface analysis insight note: Illustrating the effect of adventitious contamination on Pt photoemission peak intensities
Surface analysis insight note: Illustrating the effect of adventitious contamination on Pt photoemission peak intensities Open
Adventitious carbon contaminations are not only omnipresent and used for charge referencing of XPS spectra but also can alter the apparent presence of the element peaks that span over the large spectral window of binding energies. This Ins…
View article: Principal Component Analysis (PCA) unravels spectral components present in XPS spectra of complex oxide films on iron foil
Principal Component Analysis (PCA) unravels spectral components present in XPS spectra of complex oxide films on iron foil Open
View article: Genesis of Active Phase and Support Effect in Ultradispersed Mo Sulfide Catalysts
Genesis of Active Phase and Support Effect in Ultradispersed Mo Sulfide Catalysts Open
International audience
View article: MXene-supported single-atom and nano catalysts for effective gas-phase hydrogenation reactions
MXene-supported single-atom and nano catalysts for effective gas-phase hydrogenation reactions Open
International audience
View article: Cover Feature: Fluorinated Zirconia Prepared by Anionic Exchange of Zirconium Oxo/Hydroxide with Trifluoroacetic Acid: Structure, Acid‐Base and Catalytic Properties (ChemCatChem 14/2023)
Cover Feature: Fluorinated Zirconia Prepared by Anionic Exchange of Zirconium Oxo/Hydroxide with Trifluoroacetic Acid: Structure, Acid‐Base and Catalytic Properties (ChemCatChem 14/2023) Open
The Cover Feature shows the gas-phase dehydrogenation of isopropanol over a new fluorinated zirconia. In their Research Article, S. Mishra, N. Essayem and co-workers prepared the new fluorinated zirconia catalysts by anionic exchange betwe…
View article: Fluorinated Zirconia Prepared by Anionic Exchange of Zirconium Oxo/Hydroxide with Trifluoroacetic Acid: Structure, Acid‐Base and Catalytic Properties
Fluorinated Zirconia Prepared by Anionic Exchange of Zirconium Oxo/Hydroxide with Trifluoroacetic Acid: Structure, Acid‐Base and Catalytic Properties Open
Fluorinated zirconia were prepared by anionic exchange between commercial zirconium oxo/hydroxide of high surface area and trifluoracetic acid solutions. The new fluoride‐based catalysts contained high amount of F with superficial Zr/F rat…
View article: Surface Chemistry of Ion Beam Modified Native Ti Foil Surfaces Examined Using X-Ray Photoelectron Spectroscopy
Surface Chemistry of Ion Beam Modified Native Ti Foil Surfaces Examined Using X-Ray Photoelectron Spectroscopy Open
View article: Combining PCA and nonlinear fitting of peak models to re-evaluate C 1s XPS spectrum of cellulose
Combining PCA and nonlinear fitting of peak models to re-evaluate C 1s XPS spectrum of cellulose Open
View article: Practical guide to understanding goodness-of-fit metrics used in chemical state modeling of x-ray photoelectron spectroscopy data by synthetic line shapes using nylon as an example
Practical guide to understanding goodness-of-fit metrics used in chemical state modeling of x-ray photoelectron spectroscopy data by synthetic line shapes using nylon as an example Open
Chemical state analysis of a sample surface through fitting bell-shaped curves to x-ray photoelectron spectroscopic polymer data is reviewed using nylon to introduce and discuss aspects of data analysis. Different strategies for modeling c…
View article: Practical guide on chemometrics/informatics in x-ray photoelectron spectroscopy (XPS). I. Introduction to methods useful for large or complex datasets
Practical guide on chemometrics/informatics in x-ray photoelectron spectroscopy (XPS). I. Introduction to methods useful for large or complex datasets Open
Chemometrics/informatics and data analysis, in general, are increasingly important topics in x-ray photoelectron spectroscopy (XPS) because of the large amount of information (data/spectra) that are often collected in degradation, depth pr…
View article: Practical guide on chemometrics/informatics in x-ray photoelectron spectroscopy (XPS). II. Example applications of multiple methods to the degradation of cellulose and tartaric acid
Practical guide on chemometrics/informatics in x-ray photoelectron spectroscopy (XPS). II. Example applications of multiple methods to the degradation of cellulose and tartaric acid Open
Chemometrics/informatics, and data analysis in general, are increasingly important in x-ray photoelectron spectroscopy (XPS) because of the large amount of information (spectra/data) that is often collected in degradation, depth profiling,…
View article: On the electronic properties and catalytic activity of MoS2–C3N4 materials prepared by one-pot reaction
On the electronic properties and catalytic activity of MoS2–C3N4 materials prepared by one-pot reaction Open
View article: A study of in situ reduction of MoO3 to MoO2 by X-ray Photoelectron Spectroscopy
A study of in situ reduction of MoO3 to MoO2 by X-ray Photoelectron Spectroscopy Open
View article: Effect of metal-doping (Me = Fe, Ce, Sn) on phase composition, structural peculiarities, and CO oxidation catalytic activity of cryptomelane-type MnO2
Effect of metal-doping (Me = Fe, Ce, Sn) on phase composition, structural peculiarities, and CO oxidation catalytic activity of cryptomelane-type MnO2 Open
View article: Combining Pca and Nonlinear Fitting of Peak Models to Re-Evaluate C 1s Xps Spectrum of Cellulose
Combining Pca and Nonlinear Fitting of Peak Models to Re-Evaluate C 1s Xps Spectrum of Cellulose Open
View article: Iron Cobaltite (FeCo2O4) Nanocatalysts for Water-Oxidation: Effects of Annealing Temperature on Catalytic Properties
Iron Cobaltite (FeCo2O4) Nanocatalysts for Water-Oxidation: Effects of Annealing Temperature on Catalytic Properties Open
The development of efficient, stable, and non-precious metal water oxidation catalysts (WOCs) is a matter of importance for sustainable energy research. In this work, iron cobaltite (FeCo2O4) nanoparticles were prepared by the coprecipitat…
View article: Effect of Metal-Doping (Me = Fe, CE, Sn) on Phase Composition, Structural Peculiarities, and Co Oxidation Catalytic Activity of Cryptomelane-Type Mno2
Effect of Metal-Doping (Me = Fe, CE, Sn) on Phase Composition, Structural Peculiarities, and Co Oxidation Catalytic Activity of Cryptomelane-Type Mno2 Open
View article: Iron Cobaltite (FeCo2O4) Nanocatalysts for Water-Oxidation: Effects of Annealing Temperature on Catalytic Properties
Iron Cobaltite (FeCo2O4) Nanocatalysts for Water-Oxidation: Effects of Annealing Temperature on Catalytic Properties Open
The development of efficient, stable, and non-precious metal water oxidation catalysts (WOCs) is a matter of importance for sustainable energy research. In this work, iron cobaltite (FeCo2O4) nanoparticles were prepared by the coprecipitat…
View article: Composition, Structural and Optical Properties of Golden Grass
Composition, Structural and Optical Properties of Golden Grass Open