In-situ & Operando Analysis

We are developing a range of in-situ and operando analysis techniques for the understanding of (photo)electrocatalytic mechanisms inside and at the surface of electrodes. Some of these techniques are developed at the institute, while others require collaboration with synchrotron facilities.

Raman spectroscopy

We employ in-situ Raman spectroscopy at IRCELYON to monitor the evolution of electrocatalyst surfaces as a function of applied potential.

X-Ray absorption spectroscopy

We performed operando X-Ray absorption experiments at the beamline FAME-UHD (BM16) of the European Synchrotron Radiation Facility (ESRF) in Grenoble, France.

This experimental setup allows to monitor the chemical and structural changes undergone by electrocatalytic active sites as a function of applied potential by means of XANES and EXAFS experiments.

Near ambient pressure X-Ray Photoelectron Spectroscopy (NAP-XPS)

We performed in-situ NAP-XPS experiments at the HIPPIE beamline of the MAX IV synchrotron facility in Lund, Sweden

This experimental setup allows to analyse the chemical composition of the extreme surface of the electrode under applied potential using a dip-and-pull approach. The brightness of the MAX IV source allows to work at high pressure and employ liquid aqueous electrolytes in the analysis chamber.