From thermal catalysis to plasma catalysis: a review of surface processes and their characterizations

S Zhang, GS Oehrlein - Journal of Physics D: Applied Physics, 2021 - iopscience.iop.org
The use of atmospheric pressure plasma to enhance catalytic chemical reactions involves
complex surface processes induced by the interactions of plasma-generated fluxes with …

Visualizing the Structure, Composition and Activity of Single Catalyst Particles for Olefin Polymerization and Polyolefin Decomposition

MJ Werny, F Meirer… - Angewandte Chemie …, 2024 - Wiley Online Library
The structural and morphological characterization of individual catalyst particles for olefin
polymerization, as well as for the reverse process of polyolefin decomposition, can provide …

[PDF][PDF] Tomographic reconstruction with a generative adversarial network

X Yang, M Kahnt, D Brückner, A Schropp… - Journal of …, 2020 - journals.iucr.org
This paper presents a deep learning algorithm for tomographic reconstruction (GANrec). The
algorithm uses a generative adversarial network (GAN) to solve the inverse of the Radon …

Imaging Cu2O nanocube hollowing in solution by quantitative in situ X-ray ptychography

L Grote, M Seyrich, R Döhrmann… - Nature …, 2022 - nature.com
Understanding morphological changes of nanoparticles in solution is essential to tailor the
functionality of devices used in energy generation and storage. However, we lack …

Evolution of Hierarchically Porous Nickel Alumina Catalysts Studied by X‐Ray Ptychography

S Weber, A Diaz, M Holler, A Schropp… - Advanced …, 2022 - Wiley Online Library
The synthesis of hierarchically porous materials usually requires complex experimental
procedures, often based around extensive trial and error approaches. One common …

[PDF][PDF] PtyNAMi: ptychographic nano-analytical microscope

A Schropp, R Döhrmann, S Botta… - Journal of applied …, 2020 - journals.iucr.org
Ptychographic X-ray imaging at the highest spatial resolution requires an optimal
experimental environment, providing a high coherent flux, excellent mechanical stability and …

Heterogeneity in the fragmentation of Ziegler catalyst particles during ethylene polymerization quantified by X-ray nanotomography

KW Bossers, R Valadian, J Garrevoet, S van Malderen… - JACS Au, 2021 - ACS Publications
Ziegler-type catalysts are the grand old workhorse of the polyolefin industry, yet their
hierarchically complex nature complicates polymerization activity–catalyst structure …

[HTML][HTML] Multiscale investigation of pore network heterogeneity and permeability of fluid catalytic cracking (FCC) particles

Z Qie, A Rabbani, Y Liang, F Sun, J Behnsen… - Chemical Engineering …, 2022 - Elsevier
Pore network is regarded as one of the most important aspects of FCC (Fluid Catalytic
Cracking) catalysts for delivering reactants to active sites and transporting out products, and …

Copper carbon dioxide reduction electrocatalysts studied by in situ soft X-ray spectro-ptychography

C Zhang, N Mille, H Eraky, S Stanescu, S Swaraj… - Cell Reports Physical …, 2023 - cell.com
Understanding the morphological and chemical structural changes of electrocatalysts under
reaction conditions remains a key challenge. Here, we present a detailed study of how …

Multi-slice ptychography enables high-resolution measurements in extended chemical reactors

M Kahnt, L Grote, D Brückner, M Seyrich, F Wittwer… - Scientific reports, 2021 - nature.com
Ptychographic X-ray microscopy is an ideal tool to observe chemical processes under in situ
conditions. Chemical reactors, however, are often thicker than the depth of field, limiting the …