ArticleChemCatChem2018
Correlative Multiscale 3D Imaging of a Hierarchical Nanoporous Gold Catalyst by Electron, Ion and X-ray Nanotomography.
Article in ChemCatChem, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 35 citations in OpenAlex.
- In situ ptychographic nanotomography captures activation, mobility, and deactivation of supported catalysts.Nature communications · 2026Article
- Evolution of Hierarchically Porous Nickel Alumina Catalysts Studied by X-Ray Ptychography.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
- Article
- First ptychographic X-ray computed tomography experiment on the NanoMAX beamline.Journal of applied crystallography · 2020Article
- Correlated X-ray Ptychography and Fluorescence Nano-Tomography on the Fragmentation Behavior of an Individual Catalyst Particle during the Early Stages of Olefin Polymerization.Journal of the American Chemical Society · 2020Article
- 3D Analysis of Ordered Porous Polymeric Particles using Complementary Electron Microscopy Methods.Scientific reports · 2019Article
- A versatile nanoreactor for complementary in situ X-ray and electron microscopy studies in catalysis and materials science.Journal of synchrotron radiation · 2019Article
- Nanoporous gold: a hierarchical and multiscale 3D test pattern for characterizing X-ray nano-tomography systems.Journal of synchrotron radiation · 2019Article
- Correlative Multiscale 3D Imaging of a Hierarchical Nanoporous Gold Catalyst by Electron, Ion and X-ray Nanotomography.ChemCatChem · 2018Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tomographic imaging of catalysts allows non-invasive investigation of structural features and chemical properties by combining large fields of view, high spatial resolution, and the ability to probe multiple length scales. Three complementary nanotomography techniques, (i) electron tomography, (ii) focused ion beam-scanning electron microscopy, and (iii) synchrotron ptychographic X-ray computed tomography, were applied to render the 3D structure of monolithic nanoporous gold doped with ceria, a catalytically active material with hierarchical porosity on the nm and μm scale. The resulting tomograms were used to directly measure volume fraction, surface area and pore size distribution, together with 3D pore network mapping. Each technique is critically assessed in terms of approximate spatial resolution, field of view, sample preparation and data processing requirements. Ptychographic X-ray computed tomography produced 3D electron density maps with isotropic spatial resolution of 23 nm, the highest so far demonstrated for a catalyst material, and is highlighted as an emerging method with excellent potential in the field of catalysis.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.