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

MacArthur, Katherine E., Slater, Thomas J. A. ORCID: https://orcid.org/0000-0003-0372-1551, 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:	10 Nov 2022 10:32
URI:	https://orca.cardiff.ac.uk/id/eprint/147192

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