Mark A. Newton
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View article: Identifying and Mitigating Adverse X-ray Induced Effects in Operando Spectroscopic Studies of Copper Exchanged Zeolites
Identifying and Mitigating Adverse X-ray Induced Effects in Operando Spectroscopic Studies of Copper Exchanged Zeolites Open
View article: <i>Operando</i> anomalous X-ray powder diffraction interleaved with X-ray absorption spectroscopy using a scanning 2D imaging detector on the XMaS beamline: design, implementation and performance
<i>Operando</i> anomalous X-ray powder diffraction interleaved with X-ray absorption spectroscopy using a scanning 2D imaging detector on the XMaS beamline: design, implementation and performance Open
We present a method for achieving high-quality anomalous X-ray powder diffraction, interleaved with transmission X-ray absorption spectroscopy, using a flat-panel imaging detector scanned over a large angular range. Anomalous X-ray powder …
View article: Elucidation of the Structure–Activity Relationship for Cu-Erionite in the Direct Conversion of Methane to Methanol: An Operando XAS Study
Elucidation of the Structure–Activity Relationship for Cu-Erionite in the Direct Conversion of Methane to Methanol: An Operando XAS Study Open
The partial oxidation of methane to methanol over copper-exchanged zeolites offers a promising avenue for methane valorization. Numerous zeolites have been demonstrated to be active for the selective oxidation of methane, with the methanol…
View article: Methanol and Acetic Acid from CH<sub>4</sub> and CO₂: The Role of Copper Speciation in Zeolite Cu‐FER
Methanol and Acetic Acid from CH<sub>4</sub> and CO₂: The Role of Copper Speciation in Zeolite Cu‐FER Open
This study highlights the efficiency of Cu‐FER catalysts with varying copper loadings in transforming carbon dioxide (CO 2 ) and methane (CH 4 ) into methanol or acetic acid. The XAS, UV–vis, and FTIR analyses confirmed that Cu‐FER catalys…
View article: Predicting Failure of Tongue Compression End Fittings
Predicting Failure of Tongue Compression End Fittings Open
A common form of cantilever used to support the overhead line equipment is assembled from steel tubes with crimped in end fittings. Within the older UK stock, these end fittings have been seen to come loose. In this paper, the crimping ope…
View article: Quantifying the Hydration‐Dependent Dynamics of Cu Migration and Activity in Zeolite Omega for the Partial Oxidation of Methane
Quantifying the Hydration‐Dependent Dynamics of Cu Migration and Activity in Zeolite Omega for the Partial Oxidation of Methane Open
Copper‐exchanged zeolite omega (Cu‐omega) is a potent material for the selective conversion of methane‐to‐methanol (MtM) via the oxygen looping approach. However, its performance exhibits substantial variation depending on the operational …
View article: Quantifying the Hydration‐Dependent Dynamics of Cu Migration and Activity in Zeolite Omega for the Partial Oxidation of Methane
Quantifying the Hydration‐Dependent Dynamics of Cu Migration and Activity in Zeolite Omega for the Partial Oxidation of Methane Open
Copper‐exchanged zeolite omega (Cu‐omega) is a potent material for the selective conversion of methane‐to‐methanol (MtM) via the oxygen looping approach. However, its performance exhibits substantial variation depending on the operational …
View article: Towards highly homogeneous self-regulating heating of smart nanocomposites
Towards highly homogeneous self-regulating heating of smart nanocomposites Open
Smart self-regulating heating devices utilising the positive temperature coefficient (PTC) effect have shown great potential in advancing applications across healthcare, soft robotics, and energy-efficient manufacturing. However, achieving…
View article: Colloidal Atomic Layer Deposition on Nanocrystals Using Ligand-Modified Precursors
Colloidal Atomic Layer Deposition on Nanocrystals Using Ligand-Modified Precursors Open
Atomic layer deposition (ALD) is a method to grow thin metal oxide layers on a variety of materials for applications spanning from electronics to catalysis. Extending ALD to colloidally stable nanocrystals promises to combine the benefits …
View article: Hybrid oxide coatings generate stable Cu catalysts for CO2 electroreduction
Hybrid oxide coatings generate stable Cu catalysts for CO2 electroreduction Open
View article: Colloidal atomic layer deposition on nanocrystals using ligand-modified precursors
Colloidal atomic layer deposition on nanocrystals using ligand-modified precursors Open
Atomic layer deposition (ALD) is a method to grow thin metal oxide layers on a variety of materials for applications spanning from electronics to catalysis. Extending ALD to colloidally stable nanocrystals promises to combine the benefits …
View article: Surface chemistry dictates the enhancement of luminescence and stability of InP QDs upon c-ALD ZnO hybrid shell growth
Surface chemistry dictates the enhancement of luminescence and stability of InP QDs upon c-ALD ZnO hybrid shell growth Open
Indium phosphide quantum dots (InP QDs) are a promising example of RoHS (Restriction of Hazardous Substances) compliant light-emitting materials. However, they suffer from low quantum yield and instability upon processing under ambient con…
View article: Surface chemistry dictates the enhancement of luminescence and stability of InP QDs upon c-ALD ZnO hybrid shell growth
Surface chemistry dictates the enhancement of luminescence and stability of InP QDs upon c-ALD ZnO hybrid shell growth Open
Indium phosphide quantum dots (InP QDs) are a promising example of RoHS (Restriction of Hazardous Substances) compliant light-emitting materials. However, they suffer from low quantum yield and instability upon processing under ambient con…
View article: Surface Chemistry Dictates the Enhancement of Luminescence and Stability of InP QDs upon c-ALD ZnO Hybrid Shell Growth
Surface Chemistry Dictates the Enhancement of Luminescence and Stability of InP QDs upon c-ALD ZnO Hybrid Shell Growth Open
Indium phosphide quantum dots (InP QDs) are a promising example of Restriction of Hazardous Substances directive (RoHS)-compliant light-emitting materials. However, they suffer from low quantum yield and instability upon processing under a…
View article: Titelbild: Bestimmung der Produktivität der direkten Umwandlung von Methan in Methanol mittels Kupfer ausgetauschtem Zeolith Omega (MAZ) mittels dem Sauerstoff Looping Verfahren (Angew. Chem. 40/2023)
Titelbild: Bestimmung der Produktivität der direkten Umwandlung von Methan in Methanol mittels Kupfer ausgetauschtem Zeolith Omega (MAZ) mittels dem Sauerstoff Looping Verfahren (Angew. Chem. 40/2023) Open
The oxygen looping approach …. …, a potential scale-flexible methane-to-methanol conversion process, has been a focus of research for over a decade. Such a process would be essential to avoid the flaring of methane at remote oil exploitati…
View article: Cover Picture: Assessing the Productivity of the Direct Conversion of Methane‐to‐Methanol over Copper‐Exchanged Zeolite Omega (MAZ) via Oxygen Looping (Angew. Chem. Int. Ed. 40/2023)
Cover Picture: Assessing the Productivity of the Direct Conversion of Methane‐to‐Methanol over Copper‐Exchanged Zeolite Omega (MAZ) via Oxygen Looping (Angew. Chem. Int. Ed. 40/2023) Open
The oxygen looping approach …. …, a potential scale-flexible methane-to-methanol conversion process, has been a focus of research for over a decade. Such a process would be essential to avoid the flaring of methane at remote oil exploitati…
View article: Testing a novel FRP railway footbridge
Testing a novel FRP railway footbridge Open
Responding to the urgent need to replace pedestrian level crossings with footbridges on the UK rail network, a fibre reinforced polymer (FRP) bridge has been designed. This novel design incorporates a pretensioned, modified Warren truss st…
View article: Development of hook and eye fittings for registrations arms on the UK rail network
Development of hook and eye fittings for registrations arms on the UK rail network Open
Associated Utility Supplies (AUS) Ltd conducted a design and development project which investigated the current failure modes of hook and eye fittings, the projected resulted in a new design with improved product life, wear resistance, per…
View article: Assessing the Productivity of the Direct Conversion of Methane‐to‐Methanol over Copper‐Exchanged Zeolite Omega (MAZ) via Oxygen Looping
Assessing the Productivity of the Direct Conversion of Methane‐to‐Methanol over Copper‐Exchanged Zeolite Omega (MAZ) via Oxygen Looping Open
The methane‐to‐methanol (MtM) conversion via the oxygen looping approach using copper‐exchanged zeolites has been extensively studied over the last decade. While a lot of research has focussed on maximizing yield and selectivity, little ha…
View article: Hybrid Oxide Coatings Generate Stable Cu Catalysts for CO2 Electroreduction
Hybrid Oxide Coatings Generate Stable Cu Catalysts for CO2 Electroreduction Open
Hybrid organic/inorganic materials have contributed to solve many challenges in different areas of science. 1–5 One of the biggest challenges for a more sustainable society is to have active and stable catalysts which enable the transition…
View article: Alloying as a Strategy to Boost the Stability of Copper Nanocatalysts during the Electrochemical CO<sub>2</sub> Reduction Reaction
Alloying as a Strategy to Boost the Stability of Copper Nanocatalysts during the Electrochemical CO<sub>2</sub> Reduction Reaction Open
Copper nanocatalysts are among the most promising candidates to drive the electrochemical CO2 reduction reaction (CO2RR). However, the stability of such catalysts during operation is sub-optimal, and improving this as…
View article: Light-weight DC to very high voltage DC converter
Light-weight DC to very high voltage DC converter Open
A DC-DC converter capable of generating outputs of 100 KV without a transformer comprises a silicon opening switch (SOS) diode connected to allow a charging current from a capacitor to flow into an inductor. When a specified amount of char…
View article: Electron Paramagnetic Resonance for the Detection of Electrochemically Generated Hydroxyl Radicals: Issues Associated with Electrochemical Oxidation of the Spin Trap
Electron Paramagnetic Resonance for the Detection of Electrochemically Generated Hydroxyl Radicals: Issues Associated with Electrochemical Oxidation of the Spin Trap Open
For the detection of electrochemically produced hydroxyl radicals (OH˙) from the oxidation of water, electron paramagnetic resonance spectroscopy (EPR) in combination with spin trap labels is a popular technique. Here we show that quantifi…
View article: High-intensity X-ray beams can influence the kinetics in a time-resolved experiment
High-intensity X-ray beams can influence the kinetics in a time-resolved experiment Open
View article: Innentitelbild: Drastische Ereignisse und langsame Transformation definieren die Struktur eines aktiven Kupfer‐Zink‐Aluminiumoxid‐Katalysators für die Methanol Synthese (Angew. Chem. 15/2022)
Innentitelbild: Drastische Ereignisse und langsame Transformation definieren die Struktur eines aktiven Kupfer‐Zink‐Aluminiumoxid‐Katalysators für die Methanol Synthese (Angew. Chem. 15/2022) Open
Kupfer und Zinkoxid sind ein Dreamteam bei der Umwandlung von Kohlendioxid und Kohlenmonoxid mit Wasserstoff in die wertvolle Basischemikalie Methanol. Inspiriert vom Cover von Pink Floyds Meisterwerk “Wish you were here” illustriert das T…
View article: Drastic Events and Gradual Change Define the Structure of an Active Copper‐Zinc‐Alumina Catalyst for Methanol Synthesis
Drastic Events and Gradual Change Define the Structure of an Active Copper‐Zinc‐Alumina Catalyst for Methanol Synthesis Open
The copper‐zinc‐alumina (CZA) catalyst is one of the most important catalysts. Nevertheless, understanding of the complex CZA structure is still limited and hampers further optimization. Critical to the production of a highly active and st…
View article: Drastische Ereignisse und langsame Transformation definieren die Struktur eines aktiven Kupfer‐Zink‐Aluminiumoxid‐Katalysators für die Methanol Synthese
Drastische Ereignisse und langsame Transformation definieren die Struktur eines aktiven Kupfer‐Zink‐Aluminiumoxid‐Katalysators für die Methanol Synthese Open
Der Kupfer‐Zink‐Aluminiumoxid‐Katalysator (CZA) ist einer der wichtigsten industriellen Katalysatoren. Jedoch versteht man die komplexe CZA‐Struktur nur teilweise und das bremst seine Weiterentwicklung. Um einen sehr aktiven und stabilen K…
View article: In Situ X-ray Absorption Spectroscopy and Droplet-Based Microfluidics: An Analysis of Calcium Carbonate Precipitation
In Situ X-ray Absorption Spectroscopy and Droplet-Based Microfluidics: An Analysis of Calcium Carbonate Precipitation Open
Droplet-based microfluidic systems are ideally suited for the investigation of nucleation and crystallization processes. To best leverage the features of such platforms (including exquisite time resolution and high-throughput operation), s…
View article: Methane‐to‐Methanol on Mononuclear Copper(II) Sites Supported on Al <sub>2</sub> O <sub>3</sub> : Structure of Active Sites from Electron Paramagnetic Resonance**
Methane‐to‐Methanol on Mononuclear Copper(II) Sites Supported on Al <sub>2</sub> O <sub>3</sub> : Structure of Active Sites from Electron Paramagnetic Resonance** Open
The selective conversion of methane to methanol remains one of the holy grails of chemistry, where Cu‐exchanged zeolites have been shown promote this reaction under stepwise conditions. Over the years, several active sites have been propos…
View article: Methane‐to‐Methanol on Mononuclear Copper(II) Sites Supported on Al<sub>2</sub>O<sub>3</sub>: Structure of Active Sites from Electron Paramagnetic Resonance**
Methane‐to‐Methanol on Mononuclear Copper(II) Sites Supported on Al<sub>2</sub>O<sub>3</sub>: Structure of Active Sites from Electron Paramagnetic Resonance** Open
The selective conversion of methane to methanol remains one of the holy grails of chemistry, where Cu‐exchanged zeolites have been shown promote this reaction under stepwise conditions. Over the years, several active sites have been propos…