Resonant soft X‐ray scattering in polymer science

BA Collins, E Gann - Journal of Polymer Science, 2022 - Wiley Online Library
Resonant soft X‐ray scattering (RSoXS) is an emerging, powerful technique to probe the
nano‐to‐mesoscale structure of polymers and other molecules. It joins together small‐angle …

Spectral decomposition of X-ray absorption spectroscopy datasets: methods and applications

A Martini, E Borfecchia - Crystals, 2020 - mdpi.com
X-ray absorption spectroscopy (XAS) today represents a widespread and powerful
technique, able to monitor complex systems under in situ and operando conditions, while …

Electronic properties of Ti sites in Ziegler–Natta catalysts

A Piovano, M Signorile, L Braglia, P Torelli… - ACS …, 2021 - ACS Publications
Although Ziegler–Natta (ZN) catalysts play a major role in the polyolefin market, a true
understanding of their properties at the molecular level is still missing. In particular, there is a …

[HTML][HTML] Silica-magnesium-titanium Ziegler-Natta catalysts. Part 1: Structure of the pre-catalyst at a molecular level

J Zarupski, A Piovano, M Signorile, A Amodio, L Olivi… - Journal of …, 2023 - Elsevier
In this paper, which is the first part of a more extended work, we elucidate the molecular
level structure of a highly active SiO 2-supported Ziegler-Natta precatalyst obtained by …

Improving the catalytic performance of cobalt for CO preferential oxidation by stabilizing the active phase through vanadium promotion

L Zhong, M Barreau, V Caps, V Papaefthimiou… - ACS …, 2021 - ACS Publications
Preferential oxidation of CO (COPrOx) is a catalytic reaction targeting the removal of trace
amounts of CO from hydrogen-rich gas mixtures. Non-noble metal catalysts, such as Cu and …

Effect of manganese promotion on the activity and selectivity of cobalt catalysts for CO preferential oxidation

L Zhong, M Barreau, D Chen, V Caps… - Applied Catalysis B …, 2021 - Elsevier
The preferential oxidation of CO in H 2-rich mixtures (COPrOx) is a major catalytic reaction
utilized for hydrogen purification. In the exploration of alternatives to noble metals, cobalt …

Unraveling the reversible formation of defective Ce3+ sites in the UiO-66 (Ce) material: a multi-technique study

S Rojas-Buzo, D Salusso, F Bonino… - Materials Today …, 2023 - Elsevier
Ce 3+ presence and formation in Ce-based UiO-66 Metal-Organic Framework (MOF) still
presents a debated evaluation between the employed characterization techniques. In this …

MOF-Derived CeO2 and CeZrOx Solid Solutions: Exploring Ce Reduction through FTIR and NEXAFS Spectroscopy

D Salusso, S Mauri, G Deplano, P Torelli, S Bordiga… - Nanomaterials, 2023 - mdpi.com
The development of Ce-based materials is directly dependent on the catalyst surface
defects, which is caused by the calcination steps required to increase structural stability. At …

[HTML][HTML] Operando spectroscopies and heterogeneous olefin polymerization catalysis: A rare marriage with a lot of potential beyond usual understanding

E Groppo, A Piovano - Catalysis Today, 2024 - Elsevier
This short review summarizes the main results achieved in the field of operando
spectroscopies applied to heterogeneous catalysts for olefin polymerization. Following a …

[HTML][HTML] CO2 to dimethylcarbonate synthesis: Surface defects and oxygen vacancies engineering on MOF-derived CexZr1− xO2− y catalysts

S Rojas-Buzo, D Salusso, A Jouve, E Bracciotti… - Applied Catalysis B …, 2024 - Elsevier
Direct reaction of carbon dioxide and methanol to produce dimethylcarbonate (DMC) is an
interesting process that allows the synthesis of such valuable product in a more …