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Issue 16, 2013
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Oxidation of PtNi nanoparticles studied by a scanning X-ray fluorescence microscope with multi-layer Laue lenses

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Abstract

We report a study of the oxidation process of individual PtNi nanoparticles (NPs) conducted with a novel scanning multi-layer Laue lens X-ray microscope. The elemental maps reveal that alloyed PtNi NPs were transformed into Pt/NiO core–shell NPs by thermal oxidation. The observations furthermore indicate that a coalescence of Pt/NiO core–shell NPs occurred during oxidation.

Graphical abstract: Oxidation of PtNi nanoparticles studied by a scanning X-ray fluorescence microscope with multi-layer Laue lenses

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Publication details

The article was received on 23 Jan 2013, accepted on 17 Apr 2013 and first published on 15 May 2013


Article type: Communication
DOI: 10.1039/C3NR00396E
Citation: Nanoscale, 2013,5, 7184-7187
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    Oxidation of PtNi nanoparticles studied by a scanning X-ray fluorescence microscope with multi-layer Laue lenses

    H. C. Kang, H. Yan, Y. S. Chu, S. Y. Lee, J. Kim, E. Nazaretski, C. Kim, O. Seo, D. Y. Noh, A. T. Macrander, G. B. Stephenson and J. Maser, Nanoscale, 2013, 5, 7184
    DOI: 10.1039/C3NR00396E

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