Spectroscopic Analysis Involved in Catalyst Characterization

Dear Colleagues,

Spectroscopic analysis of the surface, structure, and reactivity of catalysts is of paramount importance in order to describe in detail its active state, to better understand its reactivity, and rationalize the catalytic performances. From the information obtained, it is in some cases possible to further finetune and optimize its formulation in a dedicated applied process.

Spectroscopies allow characterizing catalysts at their different stages from the birth/genesis, to the death/deactivation. Analysis could be done ex situ or postmortem, but the most convenient and elegant way is to perform in situ/operando measurement in order to be in relevant conditions from a catalytic point of view. This requests the development of specific spectroscopic tools/cells: a catalytic reactor with “open windows” adapted for spectroscopies.

Operando methodologies are by the way more and more sophisticated by the means of lasers and microspectroscopic techniques, which allow considerably increasing time and spatial resolutions. It is now possible to reach, in some specific cases, femtosecond and atomic scales description of catalysts at work. Increasing time and spatial resolutions also leads to an increased number of spectra, which require the use and development of specific mathematical tools for data treatment.

This Special Issue will focus on the spectroscopic characterization of catalysts. Research areas of particular interest cover new spectroscopic tools and methods of in situ/operando spectroscopy, and time- and/or spatially resolved spectroscopic analysis of catalysts.

Dr. Mickaël Rivallan
Guest Editor

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