In situ three-dimensional imaging of strain in gold nanocrystals during catalytic oxidation

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Abstract

The chemical properties of materials are dependent on dynamic changes in their three-dimensional (3D) structure as well as on the reactive environment. We report an in situ 3D imaging study of defect dynamics of a single gold nanocrystal. Our findings offer an insight into its dynamic nanostructure and unravel the formation of a nanotwin network under CO oxidation conditions. In situ/operando defect dynamics imaging paves the way to elucidate chemical processes at the single nano-object level towards defect-engineered nanomaterials.

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Suzana, A. F., Rochet, A., Passos, A. R., Castro Zerba, J. P., Polo, C. C., Santilli, C. V., … Meneau, F. (2019). In situ three-dimensional imaging of strain in gold nanocrystals during catalytic oxidation. Nanoscale Advances, 1(8), 3009–3014. https://doi.org/10.1039/c9na00231f

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