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Quantitative energy-dispersive X-Ray analysis of catalyst nanoparticles using a partial cross section approach

MacArthur, Katherine E., Slater, Thomas J. A., Haigh, Sarah J., Ozkaya, Dogan, Nellist, Peter D. and Lozano-Perez, Sergio 2016. Quantitative energy-dispersive X-Ray analysis of catalyst nanoparticles using a partial cross section approach. Microscopy and Microanalysis 22 (1) , pp. 71-81. 10.1017/s1431927615015494

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Abstract

The new generation of energy-dispersive X-ray (EDX) detectors with higher count rates than ever before, paves the way for a new approach to quantitative elemental analysis in the scanning transmission electron microscope. Here we demonstrate a method of calculating partial cross sections for use in quantifying EDX data, beneficial especially because of the simplicity of its implementation. Applying this approach to acid-leached PtCo catalyst nanoparticles leads to quantitative determination of the Pt surface enrichment.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Publisher: Cambridge University Press
ISSN: 1431-9276
Last Modified: 08 Mar 2022 14:45
URI: https://orca.cardiff.ac.uk/id/eprint/147192

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