New Dimensions in Catalysis Research with Hard X‐Ray Tomography

S Das, R Pashminehazar, S Sharma… - Chemie Ingenieur …, 2022 - Wiley Online Library
The structure and function of solid catalysts are inseparably linked at length scales from nm
to cm and beyond. Hard X‐ray tomography offers unique potential for spatially‐resolved …

In Situ X-ray Diffraction as a Basic Tool to Study Oxide and Metal Oxide Catalysts

OA Bulavchenko, ZS Vinokurov - Catalysts, 2023 - mdpi.com
X-ray diffraction (XRD) is a standard technique that is widely applied in heterogeneous
catalysis to determine phase composition, atomic structure, and size of crystallites. This …

Catalytic Profile Reactor for Multimodal Operando Measurements during Periodic Operation

D Espinoza, B Wollak, TL Sheppard, AC Dippel… - …, 2022 - Wiley Online Library
Multimodal operando measurement concepts aim to provide structure‐activity relations of
heterogeneously catalyzed reactions during operation. While the utilization of multiple …

Catalytic reactor for operando spatially resolved structure–activity profiling using high-energy X-ray diffraction

B Wollak, D Espinoza, AC Dippel, M Sturm… - Synchrotron …, 2023 - journals.iucr.org
In heterogeneous catalysis, operando measurements probe catalysts in their active state
and are essential for revealing complex catalyst structure–activity relationships. The …

Nanoscale Projection Hard X‐ray Microscope for Operando Statistical Analysis of Chemical Heterogeneity in Lithium‐Ion Battery Cathodes

S Jo, H Kim, S Kim, C Nam, J Lim, J Lim - Small Methods, 2024 - Wiley Online Library
The spatiotemporal heterogeneity of the state of charge (SOC) within battery electrodes
significantly impairs the rate capability and cycle life of lithium‐ion batteries. However …

[HTML][HTML] Hyperspectral full-field quick-EXAFS imaging at the ROCK beamline for monitoring micrometre-sized heterogeneity of functional materials under process …

V Briois, JP Itié, A Polian, A King, AS Traore… - Synchrotron …, 2024 - journals.iucr.org
Full-field transmission X-ray microscopy has been recently implemented at the hard X-ray
ROCK–SOLEIL quick-EXAFS beamline, adding micrometre spatial resolution to the second …

Unlocking the Mysteries of Technical Catalyst Deactivation: A View from Space

S Sharma, F Maurer, P Lott, TL Sheppard - ChemCatChem, 2024 - Wiley Online Library
Modern analytical techniques enable researchers to study heterogeneous catalytic systems
at extended length scales and with local probing methods which were previously …

Time‐of‐Flight Secondary Ion Mass Spectrometry Revealing the Organocatalyst Distribution in Functionalized Silica Monoliths

RD Brand, JS Schulze, A Henss, BM Smarsly - ChemistryOpen, 2024 - Wiley Online Library
Hierarchically porous monolithic silica shows promise as a carrier material for immobilized
organocatalysts. Conventional analysis usually includes physisorption, infrared …

[HTML][HTML] A multi-modal high pressure and high temperature reaction cell for combined x-ray spectroscopy, scattering, and imaging

TA Kathyola, SJ Keylock, K Ignatyev, J Filik… - Review of Scientific …, 2024 - pubs.aip.org
A free-standing and compact reaction cell for combined in situ/operando x-ray spectroscopy,
scattering, and imaging measurements at high pressures and high temperatures is …

High-resolution X-ray imaging of catalytic reactions by using X-ray Absorption Spectroscopy

S Alizadehfanaloo - 2024 - search.proquest.com
Heterogeneous catalysis plays an important role in many areas of the chemical industry
such as oxidation reactions, and dehydrogenation reactions. In heterogeneous catalytic …