The Role of In Situ/Operando IR Spectroscopy in Unraveling Adsorbate-Induced Structural Changes in Heterogeneous Catalysis

E Groppo, S Rojas-Buzo, S Bordiga - Chemical Reviews, 2023 - ACS Publications
Heterogeneous catalysts undergo thermal-and/or adsorbate-induced dynamic changes
under reaction conditions, which consequently modify their catalytic behavior. Hence, it is …

Influence of ion mobility on the redox and catalytic properties of Cu ions in zeolites

M Signorile, E Borfecchia, S Bordiga, G Berlier - Chemical Science, 2022 - pubs.rsc.org
This contribution aims at analysing the current understanding about the influence of Al
distribution, zeolite topology, ligands/reagents and oxidation state on ions mobility in Cu …

Selective Oxidative Dehydrogenation of Ethane and Propane over Copper‐Containing Mordenite: Insights into Reaction Mechanism and Product Protection

MA Artsiusheuski, R Verel… - Angewandte Chemie …, 2023 - Wiley Online Library
Abstract Copper (II)‐containing mordenite (CuMOR) is capable of activation of C− H bonds
in C1‐C3 alkanes, albeit there are remarkable differences between the functionalization of …

Understanding C–H activation in light alkanes over Cu-MOR zeolites by coupling advanced spectroscopy and temperature-programmed reduction experiments

K Kvande, B Garetto, G Deplano, M Signorile… - Chemical …, 2023 - pubs.rsc.org
The direct activation of methane to methanol (MTM) proceeds through a chemical-loo**
process over Cu-oxo sites in zeolites. Herein, we extend the overall understanding of …

Facile Preparation of Cu(I)/5A via One-Step Impregnation with Highly Dispersed CuCl in Ethanol Single Solvent toward Selective Adsorption of CO from H2 Stream

S Yang, Y **ao, W Zhang, Y Qiao, Q Zhao… - ACS Sustainable …, 2022 - ACS Publications
Cuprous ion-based zeolites have been proven as promising carbon monoxide (CO)
adsorbents by virtue of their excellent adsorption and regeneration properties due to π …

[HTML][HTML] Reducibility of Cu-zeolites and stability of Cu+ monocarbonyl adducts: Qualitative and quantitative relationships from MCR-XAS and DFT

G Deplano, M Signorile, C Atzori, D Salusso… - Catalysis Today, 2024 - Elsevier
A series of Cu-exchanged zeolites differing in framework topology and composition are
studied through in situ X-ray Absorption Spectroscopy (XAS) to highlight differences in …

Cu-loaded zeolites enable the selective activation of ethane to ethylene at low temperatures and pressure

K Kvande, S Prodinger, BG Solemsli… - Chemical …, 2023 - pubs.rsc.org
Cu-zeolites are found to activate the C–H bond of ethane already at 150° C in a cyclic
protocol and form ethylene with a high selectivity. Both the zeolite topology and Cu content …

Synthesis of hydrophobic CuCl/LaA modified by butyltrichlorosilane towards enhanced CO adsorption under humid environment

Q Guo, Y Qiao, Y **ao, Y Pan, Y Li, X Liu, G He - Applied Surface Science, 2024 - Elsevier
Cuprous ion modified molecular sieves have been considered as promising CO adsorbents
in gas separation or purification industry. However, it persists as a significant challenge to …

Structural Evolution of Copper-Oxo Sites in Zeolites upon the Reaction with Methane Investigated by Means of Cu K-edge X-ray Absorption Spectroscopy

MA Artsiusheuski, O Safonova, D Palagin… - The Journal of …, 2023 - ACS Publications
The structure of copper sites formed under an oxidative environment and their evolution in
the course of the reaction with methane at elevated temperature was investigated by means …

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 …