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

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms12634· OSTI ID:1312961

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. In conclusion, 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.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1312961
Journal Information:
Nature Communications, Vol. 7; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 56 works
Citation information provided by
Web of Science

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Cited By (17)

Nickel Poisoning of a Cracking Catalyst Unravelled by Single‐Particle X‐ray Fluorescence‐Diffraction‐Absorption Tomography journal January 2020
Magnetophoretic Sorting of Single Catalyst Particles journal August 2018
Nickel Poisoning of a Cracking Catalyst Unravelled by Single‐Particle X‐ray Fluorescence‐Diffraction‐Absorption Tomography journal January 2020
Correlative Multiscale 3D Imaging of a Hierarchical Nanoporous Gold Catalyst by Electron, Ion and X-ray Nanotomography journal May 2018
One‐Shot Measurement of Effectiveness Factors of Chemical Conversion in Porous Catalysts journal December 2018
Accurate 3D Characterization of Catalytic Bodies Surface by Scanning Electron Microscopy journal June 2019
Visualizing pore architecture and molecular transport boundaries in catalyst bodies with fluorescent nanoprobes journal November 2018
Spatial and temporal exploration of heterogeneous catalysts with synchrotron radiation journal August 2018
Efficient correction of wavefront inhomogeneities in X-ray holographic nanotomography by random sample displacement journal May 2018
Multimodal x-ray and electron microscopy of the Allende meteorite journal September 2019
Structural Evolution of Highly Active Multicomponent Catalysts for Selective Propylene Oxidation journal August 2018
High-speed raster-scanning synchrotron serial microcrystallography with a high-precision piezo-scanner text January 2018
Magnetophoretic Sorting of Single Catalyst Particles journal August 2018
Structural evolution of highly active multicomponent catalysts for selective propylene oxidation text January 2018
Integrated Transmission Electron and Single-Molecule Fluorescence Microscopy Correlates Reactivity with Ultrastructure in a Single Catalyst Particle journal November 2017
Ion Concentration Polarization for Microparticle Mesoporosity Differentiation journal June 2019
A three-dimensional view of structural changes caused by deactivation of fluid catalytic cracking catalysts journal October 2017