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Relating structure and composition with accessibility of a single catalyst particle using correlative 3-dimensional micro-spectroscopy

Author

Listed:
  • Yijin Liu

    (Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory)

  • Florian Meirer

    (Inorganic Chemistry and Catalysis group, Debye Institute for Nanomaterials Science, Utrecht University)

  • Courtney M. Krest

    (Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory)

  • Samuel Webb

    (Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory)

  • Bert M. Weckhuysen

    (Inorganic Chemistry and Catalysis group, Debye Institute for Nanomaterials Science, Utrecht University)

Abstract

To understand how hierarchically structured functional materials operate, analytical tools are needed that can reveal small structural and chemical details in large sample volumes. Often, a single method alone is not sufficient to get a complete picture of processes happening at multiple length scales. Here we present a correlative approach combining three-dimensional X-ray imaging techniques at different length scales for the analysis of metal poisoning of an individual catalyst particle. The correlative nature of the data allowed establishing a macro-pore network model that interprets metal accumulations as a resistance to mass transport and can, by tuning the effect of metal deposition, simulate the response of the network to a virtual ageing of the catalyst particle. The developed approach is generally applicable and provides an unprecedented view on dynamic changes in a material’s pore space, which is an essential factor in the rational design of functional porous materials.

Suggested Citation

  • Yijin Liu & Florian Meirer & Courtney M. Krest & Samuel Webb & Bert M. Weckhuysen, 2016. "Relating structure and composition with accessibility of a single catalyst particle using correlative 3-dimensional micro-spectroscopy," Nature Communications, Nature, vol. 7(1), pages 1-8, November.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms12634
    DOI: 10.1038/ncomms12634
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