Engineering catalyst supports to stabilize PdOx two-dimensional rafts for water-tolerant methane oxidation

H **ong, D Kunwar, D Jiang, CE García-Vargas, H Li… - Nature Catalysis, 2021 - nature.com
The treatment of emissions from natural gas engines is an important area of research since
methane is a potent greenhouse gas. The benchmark catalysts, based on Pd, still face …

Mechanistic study of carbon dioxide hydrogenation over Pd/ZnO‐based catalysts: the role of palladium–zinc alloy in selective methanol synthesis

M Zabilskiy, VL Sushkevich, MA Newton… - Angewandte …, 2021 - Wiley Online Library
Pd/ZnO catalysts show good activity and high selectivity to methanol during catalytic CO2
hydrogenation. The Pd‐Zn alloy phase has usually been considered as the active phase …

High-Quality In Situ X-ray Absorption Spectroscopy Monitoring of the Palladium Nucleation inside the 3D Printed Microfluidic Chip

AV Dobrovolskaya, SV Chapek… - The Journal of …, 2023 - ACS Publications
An efficient approach for high-quality X-ray absorption spectroscopy (XAS) measurements is
proposed and exemplified by monitoring the nucleation of palladium nanoparticles from Pd …

[HTML][HTML] Water inhibition and role of palladium adatoms on Pd/Al2O3 catalysts during methane oxidation

A Boucly, L Artiglia, M Roger, M Zabilskiy, A Beck… - Applied Surface …, 2022 - Elsevier
Supported palladium catalysts are the most active ones toward the complete oxidation of
methane. However, the presence of relevant amounts of water hinders the catalytic activity …

Evolution of surface and bulk structure of supported palladium nanoparticles by in situ X-ray absorption and infrared spectroscopies: Effect of temperature, CO and …

OA Usoltsev, AA Skorynina, BO Protsenko… - Applied Surface …, 2023 - Elsevier
Interaction of CO and CH 4 with palladium is a relevant process in numerous catalytic
reactions, which may induce structural changes in the metal affecting its catalytic properties …

Temperature-dependent hydrogen storage mechanism in palladium nanoparticles decorated on multi-walled carbon nanotubes

A Taherkhani, SZ Mortazavi, A Reyhani, A Tayal… - international journal of …, 2023 - Elsevier
Abstract In this study, Palladium (Pd) nanoparticles (NPs) are decorated on the multi-walled
carbon nanotubes (MWCNTs) using the chemical reduction method. In situ extended x-ray …

Restructuring of Palladium Nanoparticles during Oxidation by Molecular Oxygen

O Usoltsev, D Stoian, A Skorynina, E Kozyr… - Small, 2024 - Wiley Online Library
An interplay between Pd and PdO and their spatial distribution inside the particles are
relevant for numerous catalytic reactions. Using in situ time‐resolved X‐ray absorption …

Effect of the Hydride and Carbide Phases of Palladium Nanoparticles on the Vibration Frequencies of Adsorbed Surface Molecules

OA Usoltsev, BO Protsenko, AY Pnevskaya… - Kinetics and …, 2023 - Springer
Palladium-based materials, including nanoparticles, are widely used in the petrochemical,
pharmaceutical, automotive, and other industries. The hydride, carbide, and oxide phases of …

Simulation of reduction of oxidized metal nanoparticles

VP Zhdanov - Reaction Kinetics, Mechanisms and Catalysis, 2023 - Springer
I analyze theoretically the spatio-temporal kinetics of reduction of oxidized metal
nanoparticles by hydrogen (or methane). The focus is on the experimentally observed …

Direct Observation of Palladium Leaching from Pd/C by a Simple Method: X-ray Absorption Spectroscopy of Heterogeneous Mixtures

K Uno, T Itoh, H Sato, GC Lloyd-Jones, Y Orito - ACS omega, 2023 - ACS Publications
Herein, we show the detailed behavior of palladium leaching from palladium on charcoal by
aqueous HCl, directly observed by X-ray absorption spectroscopy measurement employing …