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Imaging and Quantifying the Chemical Communication between Single Particles in Metal Alloys

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Download Hi-Res ImageDownload to MS-PowerPointCite This:Anal. Chem. 2023, 95, 26, 9999-10007
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    Imaging and Quantifying the Chemical Communication between Single Particles in Metal Alloys
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    Analytical Chemistry

    Cite this: Anal. Chem. 2023, 95, 26, 9999–10007
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    https://doi.org/10.1021/acs.analchem.3c01258
    Published June 16, 2023
    Copyright © 2023 American Chemical Society
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    Abstract

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    The communication within particle agglomerates in industrial alloys can have a significant impact on the macroscopic reactivity, putting a high demand on the adaptation of wide-field methodologies to clarify this phenomenon. In this work, we report the application of correlated optical microscopies probing operando both local pH and local surface chemical transformation correlated with identical location scanning electron microscopy to quantify in situ the structure reactivity of particle agglomerates of foreign elements in the Al alloy. The optical operando analyses allow us (i) to reveal and quantify the local production of OH– from proton and oxygen reduction at individual Si- or Fe-rich microparticles and (ii) to quantify (and model) the chemical communication between these active sites, within a few micrometer range, on the local chemical transformation of the material. Wide-field image analysis highlights the statistical importance of chemical communication that may introduce a new conceptual framework for the understanding of the mechanisms in related fields of charge transfer, electrocatalysis, and corrosion.

    Copyright © 2023 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.analchem.3c01258.

    • Experimental part (SI-1), FEM simulations of particle crosstalk (SI-2), roughness of the polished Al6061 sample (SI-3), surface state (SI-4), bulk material structure (SI-5), 2D profile of the reflectivity image over Fe-rich particle (SI-6), wide-field view of the analyzed interface (SI-7), and summary of the crosstalk appearances in the wide-field image (SI-8) (PDF)

    • Enlarged view (marked with a square in Movie S2) of the surface film transformation on Al6061 and related SEM image of identical location (Movie S1) (MP4)

    • Wide-field view of surface film transformation on Al6061 and related SEM image of identical location (Movie S2) (MP4)

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    Cited By

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    This article is cited by 5 publications.

    1. Mark Siegel, Lianlian Liu, Zechariah Pfaffenberger, Lydia Kisley. Quantitative Advantages of Corrosion Sensing Using Fluorescence, Microscopy, and Single-Molecule Detection. ACS Applied Materials & Interfaces 2024, 16 (42) , 56481-56496. https://doi.org/10.1021/acsami.4c07800
    2. Dimitrios Valavanis, Paolo Ciocci, Ian J. McPherson, Gabriel N. Meloni, Jean-François Lemineur, Frédéric Kanoufi, Patrick R. Unwin. Operando Electrochemical and Optical Characterization of the Meniscus of Scanning Electrochemical Cell Microscopy (SECCM) Probes. ACS Electrochemistry 2024, Article ASAP.
    3. Muhammad Saqib, Mariam Zafar, Mohamed Ibrahim Halawa, Shahzad Murtaza, Ghulam Mustafa Kamal, Guobao Xu. Nanoscale Luminescence Imaging/Detection of Single Particles: State-of-the-Art and Future Prospects. ACS Measurement Science Au 2024, 4 (1) , 3-24. https://doi.org/10.1021/acsmeasuresciau.3c00052
    4. Aleksei Makogon, Jean-Marc Noël, Frédéric Kanoufi, Viacheslav Shkirskiy. Deciphering the Interplay between Local and Global Dynamics of Anodic Metal Oxidation. Analytical Chemistry 2024, 96 (3) , 1129-1137. https://doi.org/10.1021/acs.analchem.3c04160
    5. Alfred Larsson, Mariya Vorobyova, Sebastian Pfaff, Giuseppe Abbondanza, Jinshan Pan, Johan Zetterberg, Edvin Lundgren. Operando Surface Optical Reflectance Microscopy Study of Corrosion Film Growth on a Ni–Cr–Mo Alloy During Anodic Polarization. The Journal of Physical Chemistry C 2023, 127 (44) , 21871-21877. https://doi.org/10.1021/acs.jpcc.3c05984
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    Analytical Chemistry

    Cite this: Anal. Chem. 2023, 95, 26, 9999–10007
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.analchem.3c01258
    Published June 16, 2023
    Copyright © 2023 American Chemical Society
    Request reuse permissions

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