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Seminar & symposia

Séminar of Pr Alvaro Colina

Spectroelectrochemistry: adapt your setup to your problem

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Pr Alvaro Colina persues its research work in the Chemistry departement of the University of Burgos (Spain). Today, his group is at the forefront of the development of spectroelectrochemical (SEC) techniques and devices, as they feature this technique with high temporal resolution. Among his group's major developments are two-dimensional SEC, three-dimensional SEC, SEC at liquid/liquid interfaces, bipolar SEC, spatial scanning SEC, SEC in screen-printed electrodes, low-resolution Raman SEC, time-resolved Raman SEC and simultaneous Raman and UV/Vis SEC. These techniques have been designed to solve problems encountered by our collaborators.

His CV and a description of his activities can be downloaded at the end of this article.

Abstract

Spectroelectrochemistry (SEC) combines the capability of Electrochemistry to control electrode processes and the capability of Spectroscopy to provide structural information about the molecules and materials involved on this electrode process. There are a number of possible combinations for these techniques, being the most usual ones UV/Vis absorption SEC, Photoluminiscence SEC and Raman SEC. Depending on the type of molecule or material, the kind of information we are looking for or the type of instrumentation available in our lab, we have to select the best combination to extract as much information as possible about our problem. Even, using the same SEC technique there are very different experimental setups which provides very different information.

In this talk, we will introduce which are the different options to perform SEC, how to select the best technique and the best optical configuration depending on the type of chemical problem. A good election of the techniques and setups provides a huge amount of information. One of the most important characteristics of the SEC data is the intrinsic trilinear character which can help to understand better the processes taking place at the electrode surface.

Biography

  • 2021 - Ongoing: Professeur de Chimie Analytique - University of Burgos (Spain)
  • 2009 - 2021: Profesor Titular de Universidad - University of Burgos (Spain)
  • 2007 - 2009: Profesor Contratado Doctor Fijo - University of Burgos (Spain)
  • 1996 - 2007: Profesor Asociado - University of Burgos (Spain)