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Identifying Spatial Relationships in Metal-nanoparticle/Insulating-aerogel Catalytic Systems with Electron Tomography: Manual Segmentation vs. Machine-learning Classifiers

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Catalytic systems based on the incorporation of metal nanoparticles into insulating aerogels show great promise in optimizing multiple chemical reactions, including CO oxidation [1], contaminant remediation [2], and water splitting… Click to show full abstract

Catalytic systems based on the incorporation of metal nanoparticles into insulating aerogels show great promise in optimizing multiple chemical reactions, including CO oxidation [1], contaminant remediation [2], and water splitting [3]. The method of incorporation of the metal particles within the aerogel host has important implications in the mechanism driving these various chemical pathways. Synthetic techniques to control the three-dimensional orientation of metals in insulating hosts are essential for understanding how catalytic reactions are affected by morphologically complicated yet chemically simple systems.

Keywords: identifying spatial; metal; catalytic systems; spatial relationships; metal nanoparticle; relationships metal

Journal Title: Microscopy and Microanalysis
Year Published: 2020

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