Chemical imaging of single catalyst particles with scanning μ-XANES-CT and μ-XRF-CT

SWT Price, K Ignatyev, K Geraki, M Basham… - Physical Chemistry …, 2015 - pubs.rsc.org
The physicochemical state of a catalyst is a key factor in determining both activity and
selectivity; however these materials are often not structurally or compositionally …

Quantitative Phase Composition of TiO2-Coated Nanoporous Au Monoliths by X-ray Absorption Spectroscopy and Correlations to Catalytic Behavior

M Bagge-Hansen, A Wichmann… - The Journal of …, 2014 - ACS Publications
Porous titania/metal composite materials have many potential applications in the fields of
green catalysis, energy harvesting, and storage in which both the overall morphology of the …

Advanced elemental characterization during Pt–In catalyst formation by wavelet transformed X-ray absorption spectroscopy

M Filez, EA Redekop, H Poelman, VV Galvita… - Analytical …, 2015 - ACS Publications
Complementary to conventional X-ray absorption near edge structure (XANES) and Fourier
transformed (FT) extended X-ray absorption fine structure (EXAFS) analysis, the systematic …

Single‐atom catalysts supported by crystalline porous materials: views from the inside

T Zhang, Z Chen, AG Walsh, Y Li… - Advanced Materials, 2020 - Wiley Online Library
Single‐atom catalysts (SACs) have recently emerged as an exciting system in
heterogeneous catalysis showing outstanding performance in many catalytic reactions …

Visualization of Heterogeneous Oxygen Storage Behavior in Platinum‐Supported Cerium‐Zirconium Oxide Three‐Way Catalyst Particles by Hard X‐ray Spectro …

M Hirose, N Ishiguro, K Shimomura… - Angewandte Chemie …, 2018 - Wiley Online Library
The cerium density and valence in micrometer‐size platinum‐supported cerium–zirconium
oxide Pt/Ce2Zr2Ox (x= 7–8) three‐way catalyst particles were successfully mapped by hard …

Three-dimensional structure analysis by X-ray micro-computed tomography of macroporous alumina templated with expandable microspheres

L Andersson, AC Jones, MA Knackstedt… - Journal of the European …, 2010 - Elsevier
The three-dimensional (3D) structures of macroporous alumina, produced by a novel
method that combines gel casting with expandable polymeric microspheres as a sacrificial …

Characterization of the porosity developed in a new titania-alumina catalyst support prepared by the sol gel route

EY Kaneko, SH Pulcinelli, CV Santilli… - Journal of applied …, 2003 - journals.iucr.org
Titanium oxide (TiO2) is a good candidate for support of hydrotreating catalysts but has the
disadvantage of presenting a low surface area and a poor thermal stability when compared …

[PDF][PDF] Dynamic X‐Ray Diffraction Computed Tomography Reveals Real‐Time Insight into Catalyst Active Phase Evolution

SDM Jacques, M Di Michiel, AM Beale… - Angewandte Chemie …, 2011 - academia.edu
Metals and metal oxides anchored to porous support materials are widely used as
heterogeneous catalysts in a number of important industrial chemical processes. These …

In‐situ X‐Ray Absorption Near Edge Structure Spectroscopy of a Solid Catalyst using a Laboratory‐Based Set‐up

JG Moya‐Cancino, AP Honkanen… - …, 2019 - Wiley Online Library
An in‐situ laboratory‐based X‐ray Absorption Near Edge Structure (XANES) Spectroscopy
set‐up is presented, which allows performing long‐term experiments on a solid catalyst at …

An in situ cell for investigation of the catalyst structure using synchrotron radiation

AA Veligzhanin, YV Zubavichus… - Journal of Structural …, 2010 - Springer
Abstract Design of a cell for in situ characterization of heterogeneous catalysts by X-ray
absorption spectroscopy EXAFS/XANES and X-ray diffraction on synchrotron radiation at …