Evolution of Hierarchically Porous Nickel Alumina Catalysts Studied by X‐Ray Ptychography
The synthesis of hierarchically porous materials usually requires complex experimental
procedures, often based around extensive trial and error approaches. One common …
procedures, often based around extensive trial and error approaches. One common …
[PDF][PDF] A versatile nanoreactor for complementary in situ X-ray and electron microscopy studies in catalysis and materials science
Y Fam, TL Sheppard, J Becher… - Journal of …, 2019 - journals.iucr.org
Two in situnanoreactors' for high-resolution imaging of catalysts have been designed and
applied at the hard X-ray nanoprobe endstation at beamline P06 of the PETRA III …
applied at the hard X-ray nanoprobe endstation at beamline P06 of the PETRA III …
Mapping the pore architecture of structured catalyst monoliths from nanometer to centimeter scale with electron and X-ray tomographies
The hierarchical pore systems of Pt/Al2O3 exhaust gas aftertreatment catalysts were
analyzed with a collection of correlative imaging techniques to monitor changes induced by …
analyzed with a collection of correlative imaging techniques to monitor changes induced by …
4D Imaging of ZnO-Coated Nanoporous Al2O3 Aerogels by Chemically Sensitive Ptychographic Tomography: Implications for Designer Catalysts
H Yuan, H Yuan, T Casagrande… - ACS Applied Nano …, 2021 - ACS Publications
The 3D chemical structure (4D spectromicroscopy) of nanoporous Al2O3 aerogels coated
with ZnO by atomic layer deposition (ALD) was studied by multienergy scanning …
with ZnO by atomic layer deposition (ALD) was studied by multienergy scanning …
Correlative Multiscale 3D Imaging of a Hierarchical Nanoporous Gold Catalyst by Electron, Ion and X‐ray Nanotomography
Y Fam, TL Sheppard, A Diaz, T Scherer… - …, 2018 - Wiley Online Library
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 …
and chemical properties by combining large fields of view, high spatial resolution, and the …
In Situ Ptychography of Heterogeneous Catalysts using Hard X-Rays: High Resolution Imaging at Ambient Pressure and Elevated Temperature
A new closed cell is presented for in situ X-ray ptychography which allows studies under gas
flow and at elevated temperature. In order to gain complementary information by …
flow and at elevated temperature. In order to gain complementary information by …
Four-dimensional imaging of ZnO-coated alumina aerogels by scanning transmission X-ray microscopy and ptychographic tomography
Functional porous materials are of increasing importance in energy conversion and
catalysis. Improved analysis is needed to guide optimization. Four-dimensional (4D) …
catalysis. Improved analysis is needed to guide optimization. Four-dimensional (4D) …
Sparse ab initio x-ray transmission spectrotomography for nanoscopic compositional analysis of functional materials
The performance of functional materials is either driven or limited by nanoscopic
heterogeneities distributed throughout the material's volume. To better our understanding of …
heterogeneities distributed throughout the material's volume. To better our understanding of …
New Dimensions in Catalysis Research with Hard X‐Ray Tomography
S Das, R Pashminehazar, S Sharma… - Chemie Ingenieur …, 2022 - Wiley Online Library
The structure and function of solid catalysts are inseparably linked at length scales from nm
to cm and beyond. Hard X‐ray tomography offers unique potential for spatially‐resolved …
to cm and beyond. Hard X‐ray tomography offers unique potential for spatially‐resolved …
Assessment of the 3 D Pore Structure and Individual Components of Preshaped Catalyst Bodies by X‐Ray Imaging
Porosity in catalyst particles is essential because it enables reactants to reach the active
sites and it enables products to leave the catalyst. The engineering of composite‐particle …
sites and it enables products to leave the catalyst. The engineering of composite‐particle …