David Morgan
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View article: The complex interplay of chemo- and bio-catalysis for one-pot oxidation cascades – indole oxidation in focus
The complex interplay of chemo- and bio-catalysis for one-pot oxidation cascades – indole oxidation in focus Open
This contribution highlights the exceptional performance achievable via a chemo-enzymatic approach to the valorisation of chemical feedstocks, and outlines the key parameters which must be considered for such tandem systems to operate effi…
View article: KherveFitting: An Open Source Software for Fitting X‐Ray Photoelectron Spectroscopy Data
KherveFitting: An Open Source Software for Fitting X‐Ray Photoelectron Spectroscopy Data Open
KherveFitting is a software written in Python and designed for fitting X‐ray photoelectron spectroscopy (XPS) data. It provides a user‐friendly graphical interface for researchers in materials science and surface analysis, offering feature…
View article: Oxidative Degradation of Phenol via In-situ Generation of H2O2 in a Flow Reactor
Oxidative Degradation of Phenol via In-situ Generation of H2O2 in a Flow Reactor Open
AuPd nanoalloys are shown to offer significantly enhanced catalytic performance for both the direct synthesis of hydrogen peroxide (H 2 O 2 ) and the in-situ oxidative degradation of phenol. Under conditions where limited phenol conversion…
View article: Balancing Activity and Stability in Phenol Oxidation via In Situ H <sub>2</sub> O <sub>2</sub> Generation Over Fe‐Modified AuPd Catalysts
Balancing Activity and Stability in Phenol Oxidation via In Situ H <sub>2</sub> O <sub>2</sub> Generation Over Fe‐Modified AuPd Catalysts Open
Harnessing the in situ generation of hydrogen peroxide (H 2 O 2 ) and associated reactive oxygen species (ROS) from molecular hydrogen (H 2 ) and oxygen (O 2 ) offers a powerful and sustainable alternative to conventional oxidative treatme…
View article: XPS Insight Note—Strategies for Obtaining Peak Shapes and Inferring Chemistry
XPS Insight Note—Strategies for Obtaining Peak Shapes and Inferring Chemistry Open
The chemical specificity of x‐ray photoelectron spectroscopy (XPS) for the analysis of surfaces is well established. However, overlapping peaks and complex peak shapes can hinder routine analysis of spectra. Studies involving controlled ch…
View article: Synthesis and Characterization of Magnetic Cerium Oxide‐Iron Oxide Hybrid Nanoparticles for Reactive Oxygen Species Production
Synthesis and Characterization of Magnetic Cerium Oxide‐Iron Oxide Hybrid Nanoparticles for Reactive Oxygen Species Production Open
Cerium oxide nanoparticles (NPs) have excellent redox properties that enable biomedical functionalities. Similarly, magnetic NPs are emerging as important materials in related areas such as magnetic resonance imaging. Reported here are pro…
View article: Direct Formation of the Atomic Pd-ZnO Interface by Magnetron Sputtering Primed for Methanol Production from CO<sub>2</sub>
Direct Formation of the Atomic Pd-ZnO Interface by Magnetron Sputtering Primed for Methanol Production from CO<sub>2</sub> Open
Carbon dioxide is not only a greenhouse gas but also a valuable feedstock for producing chemicals and fuels, especially methanol, which serves as an energy storage medium and a precursor for olefins and gasoline. Herein, we show that a cle…
View article: Critical examination of the use of x-ray photoelectron spectroscopy (XPS) O 1s to characterize oxygen vacancies in catalytic materials and beyond
Critical examination of the use of x-ray photoelectron spectroscopy (XPS) O 1s to characterize oxygen vacancies in catalytic materials and beyond Open
In 2021, Idriss published a manuscript outlining that an assignment commonly utilized in catalyst research is not feasible. Despite this, the idea that you can measure oxygen vacancies (OV) with ex situ x-ray photoelectron spectroscopy (XP…
View article: One‐Size‐Fits‐All: A Universal Binding Site for Single‐Layer Metal Cluster Self‐Assembly
One‐Size‐Fits‐All: A Universal Binding Site for Single‐Layer Metal Cluster Self‐Assembly Open
2D metal clusters maximize atom–surface interactions, making them highly attractive for energy and electronic technologies. However, their fabrication remains extremely challenging because they are thermodynamically unstable. Current metho…
View article: Influence of Surface Functionalities on Au/C Catalysts for Oxidative Homocoupling of Phenylboronic Acid
Influence of Surface Functionalities on Au/C Catalysts for Oxidative Homocoupling of Phenylboronic Acid Open
The formation of C–C bonds through coupling reactions is an important industrial process. The ability of Au to catalyze such reactions has been reported, with both homogeneous and heterogeneous catalyst examples. Previous work has shown th…
View article: What more can be done with XPS? Highly informative but underused approaches to XPS data collection and analysis
What more can be done with XPS? Highly informative but underused approaches to XPS data collection and analysis Open
Because of the importance of surfaces and interfaces in many scientific and technological areas, the use of x-ray photoelectron spectroscopy (XPS) has been growing exponentially. Although XPS is being used to obtain useful information abou…
View article: XPS Insight Note: Coster <b>–</b> Kronig Broadening
XPS Insight Note: Coster <b>–</b> Kronig Broadening Open
Inconsistent peak broadening of doublet peaks in X‐ray photoelectron spectroscopy is commonly observed for many transition metals, lanthanides and actinides, which may complicate peak fitting—especially for newer practitioners. In this ins…
View article: The Influence of Reaction Conditions on Selective Acetylene Hydrogenation Over Sol Immobilization Prepared AgPd/Al<sub>2</sub>O<sub>3</sub> Catalysts
The Influence of Reaction Conditions on Selective Acetylene Hydrogenation Over Sol Immobilization Prepared AgPd/Al<sub>2</sub>O<sub>3</sub> Catalysts Open
Electric plasma activation of methane opens up the possibility to produce ethene, an important platform chemical in industry, by using sustainable resources like biogas or hydrogenated carbon dioxide and electricity from renewable energies…
View article: What's in a Name? “ESCA” or “XPS”? A Discussion of Comments Made by Kai Siegbahn More Than Four Decades Ago Regarding the Name of the Technique
What's in a Name? “ESCA” or “XPS”? A Discussion of Comments Made by Kai Siegbahn More Than Four Decades Ago Regarding the Name of the Technique Open
In an interview in 1982, which was 1 year after he shared the Nobel Prize, Kai Siegbahn was asked about his opinion regarding the name of the technique he had developed. Siegbahn had named it “electron spectroscopy for chemical analysis” (…
View article: Removal of vanadium(V) ions from acidic water using reusable manganese oxide sorbents
Removal of vanadium(V) ions from acidic water using reusable manganese oxide sorbents Open
Manganese oxide (MnOx) was studied for its ability to adsorb vanadium (V) ions for applications in acidic water treatment. Three MnOx types: naturally-occurring (NatMnO), commercially-derived (ComMnO), and laboratory synthesised (SynMnO) w…
View article: XPS Insight Note: Multiplet Splitting in X‐Ray Photoelectron Spectra
XPS Insight Note: Multiplet Splitting in X‐Ray Photoelectron Spectra Open
Photoelectron spectra can be complicated by the presence of final state effects, leading to the misinterpretation of spectra especially by analysts new to the field. In this insight note, we present a précis on the topic of multiplet split…
View article: The Simultaneous Total Oxidation of Toluene, Propene, and CO Environmental Pollutants Using Bimetallic Au‐Pt/ZrO <sub>2</sub> /UVM‐7 Catalysts
The Simultaneous Total Oxidation of Toluene, Propene, and CO Environmental Pollutants Using Bimetallic Au‐Pt/ZrO <sub>2</sub> /UVM‐7 Catalysts Open
Supported precious metal catalysts, containing either mono or bimetallic Au and Pt nanoparticles, anchored on a hierarchical porous UVM‐7 silica structure, were prepared and evaluated for the removal of volatile organic pollutants by oxida…
View article: Much Ado About Nothing? Background Anomalies Without Accompanying Primary Peaks in X‐Ray Photoelectron Spectroscopy and Low Energy Ion Scattering
Much Ado About Nothing? Background Anomalies Without Accompanying Primary Peaks in X‐Ray Photoelectron Spectroscopy and Low Energy Ion Scattering Open
X‐ray photoelectron spectroscopy (XPS) and low energy ion scattering (LEIS) are important methods for identifying and quantifying the elements at surfaces. XPS largely deals with zero‐loss peaks produced by unattenuated photoemission, and …
View article: The effect of washing on improving activity of co-precipitated ceria manganese oxide catalysts for volatile organic compound total oxidation
The effect of washing on improving activity of co-precipitated ceria manganese oxide catalysts for volatile organic compound total oxidation Open
Ceria-manganese mixed metal oxide catalysts synthesized by co-precipitation and subsequently washed with varying volumes of hot water were evaluated for effectiveness in the total oxidation of propane and naphthalene. The catalytic activit…
View article: Atom-by-atom assembly reveals structure–performance control in PdCu catalysts for CO <sub>2</sub> hydrogenation to methanol
Atom-by-atom assembly reveals structure–performance control in PdCu catalysts for CO <sub>2</sub> hydrogenation to methanol Open
Atomically controlled PdCu catalysts assembled directly from metal atoms on ZnO uncover how deposition order governs particle structure and activity, delivering exceptional CO 2 -tomethanol productivity and selectivity.
View article: The effect of support calcination on carbon supported palladium catalysts for solvent-free benzyl alcohol oxidation
The effect of support calcination on carbon supported palladium catalysts for solvent-free benzyl alcohol oxidation Open
The pretreatment of carbon support in Pd catalysts has a marked effect on final performance in the solvent free oxidation of benzyl alcohol, due to the introduction of oxygen functionality and subsequent increased dispersion of active meta…
View article: The synthesis and optical properties of Cu–In–S/ZnS nanocrystals in buffer solution for near-infrared fluorescence imaging
The synthesis and optical properties of Cu–In–S/ZnS nanocrystals in buffer solution for near-infrared fluorescence imaging Open
In this report, we describe the synthesis of infrared emitting CuInS 2 /ZnS quantum dots in buffer solution, the role of the buffer and the use of the particles in imaging.
View article: Highly efficient benzyl alcohol valorisation <i>via</i> the <i>in situ</i> synthesis of H<sub>2</sub>O<sub>2</sub> and associated reactive oxygen species
Highly efficient benzyl alcohol valorisation <i>via</i> the <i>in situ</i> synthesis of H<sub>2</sub>O<sub>2</sub> and associated reactive oxygen species Open
The selective oxidation of alcohol to the corresponding aldehydes via in situ H 2 O 2 (and associated ROS) production offers an exciting, environmentally friendly alternative to the use of stoichiometric oxidants.
View article: Promoting H <sub>2</sub> O <sub>2</sub> direct synthesis through Fe incorporation into AuPd catalysts
Promoting H <sub>2</sub> O <sub>2</sub> direct synthesis through Fe incorporation into AuPd catalysts Open
The incorporation of Fe into bimetallic AuPd nanoalloys significantly improves catalytic performance towards H 2 O 2 direct synthesis via the electronic modification of Pd species.
View article: Chimpanzee Activity and Behavioral Diversity Extends Across 24 Hours in Both Captive and Wild Settings
Chimpanzee Activity and Behavioral Diversity Extends Across 24 Hours in Both Captive and Wild Settings Open
Studying nocturnal behavior is crucial for understanding the full scope of a species' behavioral flexibility so as to inform the conservation of wild populations and the care of captive individuals. However, this aspect of primate behavior…
View article: A descriptor guiding the selection of catalyst supports for ammonia synthesis
A descriptor guiding the selection of catalyst supports for ammonia synthesis Open
The efforts to increase the active surface area of catalysts led to reduction of metal particle size, down to single metal atoms.
View article: The role of surface deformation on responsivity of the pillared layer metal–organic framework DUT-8(Ni)
The role of surface deformation on responsivity of the pillared layer metal–organic framework DUT-8(Ni) Open
Surface deformation influences the kinetic barriers associated with structural transitions and gate-opening characteristics in the flexible metal–organic frameworks, such as DUT-8(Ni).