Catalysts at work: From integral to spatially resolved X-ray absorption spectroscopy

JD Grunwaldt, B Kimmerle, A Baiker, P Boye… - Catalysis Today, 2009 - Elsevier
Spectroscopic studies on heterogeneous catalysts have mostly been done in an integral
mode. However, in many cases spatial variations in catalyst structure can occur, eg during …

Hard and soft X-ray microscopy and tomography in catalysis: bridging the different time and length scales

JD Grunwaldt, CG Schroer - Chemical Society Reviews, 2010 - pubs.rsc.org
X-Ray microscopic techniques are excellent and presently emerging techniques for
chemical imaging of heterogeneous catalysts. Spatially resolved studies in heterogeneous …

Hard X‐ray spectroscopic nano‐imaging of hierarchical functional materials at work

JC Andrews, BM Weckhuysen - ChemPhysChem, 2013 - Wiley Online Library
Heterogeneous catalysts often consist of an active metal (oxide) in close contact with a
support material and various promoter elements. Although macroscopic properties, such as …

X-ray absorption spectroscopy under reaction conditions: suitability of different reaction cells for combined catalyst characterization and time-resolved studies

JD Grunwaldt, M Caravati, S Hannemann… - Physical Chemistry …, 2004 - pubs.rsc.org
Structure–activity correlations of solid catalysts and time-resolved studies generally require
that the structure within a solid catalyst is probed simultaneously and at the same location …

[HTML][HTML] Soft XAS as an in situ technique for the study of heterogeneous catalysts

SK Beaumont - Physical Chemistry Chemical Physics, 2020 - pubs.rsc.org
Soft X-ray absorption in situ studies of heterogeneous catalysts have been applied to areas
such as copper methanol oxidation catalysts and cobalt Fischer–Tropsch type catalysts over …

In situ combined X‐ray absorption spectroscopic and X‐ray diffractometric studies of solid catalysts

G Sankar, JM Thomas - Topics in Catalysis, 1999 - Springer
The merits of employing combined in situ X‐ray absorption spectroscopy (XAS) and X‐ray
diffractometry (XRD) are described by reference to a number of examples, which …

X-ray absorption spectroscopy and heterogeneous catalysis: Performances at the SOLEIL's SAMBA beamline

C La Fontaine, L Barthe, A Rochet, V Briois - Catalysis Today, 2013 - Elsevier
New plug-flow cells suitable for the X-ray absorption spectroscopy (XAS) study of
heterogeneous catalysts by transmission and fluorescence detection modes are described …

Versatile in situ/operando Setup for Studying Catalysts by X‐Ray Absorption Spectroscopy under Demanding and Dynamic Reaction Conditions for Energy Storage …

L Pandit, MA Serrer, E Saraҫi, A Boubnov… - Chemistry …, 2022 - Wiley Online Library
X‐ray absorption spectroscopy (XAS) is one of the powerful operando tools to track
structural variations in heterogeneous catalysts. The nature of active sites in catalyst …

XAS/DRIFTS/MS spectroscopy for time-resolved operando investigations at high temperature

G Agostini, D Meira, M Monte, H Vitoux… - Synchrotron …, 2018 - journals.iucr.org
The combination of complementary techniques in the characterization of catalysts under
working conditions is a very powerful tool for an accurate and in-depth comprehension of the …

Characterization of catalysts in reactive atmospheres by X‐ray absorption spectroscopy

SR Bare, T Ressler - Advances in catalysis, 2009 - Elsevier
X‐ray absorption spectroscopy (XAS) is a powerful method for probing the average local
electronic and geometric structures of catalysts in the working state. Element‐specific data …