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Issue 12, 2010
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The design and testing of kinetically-appropriate operando spectroscopic cells for investigating heterogeneous catalytic reactions

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Abstract

This tutorial review discusses some of the current designs of reaction cells used for operando spectroscopy (X-ray absorption, UV-vis, Raman, transmission FTIR and DRIFTS) and the relation to the apparent reaction kinetics. Beam effects, the control of the catalyst bed temperature and bed by-pass are some of the potential problems that may lead to flawed activity measurements. Finally, four examples are given in which a good agreement was obtained between the activity of a powdered catalyst measured in a conventional reactor and in a spectroscopic cell. It is proposed that such comparison between reactors should become a standard procedure, to ensure the correctness of the data collected over typically non-ideal spectroscopic reaction cells.

Graphical abstract: The design and testing of kinetically-appropriate operando spectroscopic cells for investigating heterogeneous catalytic reactions

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Publication details

The article was received on 28 May 2010 and first published on 11 Oct 2010


Article type: Tutorial Review
DOI: 10.1039/B919705M
Citation: Chem. Soc. Rev., 2010,39, 4602-4614
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    The design and testing of kinetically-appropriate operando spectroscopic cells for investigating heterogeneous catalytic reactions

    F. C. Meunier, Chem. Soc. Rev., 2010, 39, 4602
    DOI: 10.1039/B919705M

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