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To probe the nature of metal-catalysed processes and to design better metal-based catalysts, atomic scale understanding of catalytic processes is highly desirable. Here we use aberration-corrected environmental transmission electron microscopy

To probe the nature of metal-catalysed processes and to design better metal-based catalysts, atomic scale understanding of catalytic processes is highly desirable. Here we use aberration-corrected environmental transmission electron microscopy to investigate the atomic scale processes of silver-based nanoparticles, which catalyse the oxidation of multi-wall carbon nanotubes. A direct semi-quantitative estimate of the oxidized carbon atoms by silver-based nanoparticles is achieved. A mechanism similar to the Mars–van Krevelen process is invoked to explain the catalytic oxidation process.

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    Date Created
    • 2016-07-13
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  • Text
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    Identifier
    • Digital object identifier: 10.1038/ncomms12251
    • Identifier Type
      International standard serial number
      Identifier Value
      2041-1723
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    Yue, Y., Yuchi, D., Guan, P., Xu, J., Guo, L., & Liu, J. (2016). Atomic scale observation of oxygen delivery during silver–oxygen nanoparticle catalysed oxidation of carbon nanotubes. Nature Communications, 7, 12251. doi:10.1038/ncomms12251

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