Operando modeling of zeolite-catalyzed reactions using first-principles molecular dynamics simulations

V Van Speybroeck, M Bocus, P Cnudde… - ACS …, 2023 - ACS Publications
Within this Perspective, we critically reflect on the role of first-principles molecular dynamics
(MD) simulations in unraveling the catalytic function within zeolites under operating …

Surface fingerprinting of faceted metal oxides and porous zeolite catalysts by probe-assisted solid-state NMR approaches

X Yi, YK Peng, W Chen, Z Liu… - Accounts of Chemical …, 2021 - ACS Publications
Conspectus Acid catalysis in heterogeneous systems such as metal oxides and porous
zeolites has been widely involved in various catalytic processes for chemical and …

Versatile Synthesis of Hollow‐Structured Mesoporous Carbons by Enhanced Surface Interaction for High‐Performance Lithium‐Ion Batteries

Z Liang, Y Peng, H Feng, Z Hong, F Liu… - Advanced …, 2023 - Wiley Online Library
Nanoporous carbons are very attractive for various applications including energy storage.
Templating methods with assembled amphiphilic molecules or porous inorganic templates …

On the location of Lewis acidic aluminum in zeolite mordenite and the role of framework-associated aluminum in mediating the switch between Brønsted and Lewis …

M Ravi, VL Sushkevich, JA van Bokhoven - Chemical Science, 2021 - pubs.rsc.org
Lewis acidic aluminum in zeolites, particularly acidity that is inherent to the framework, is an
indeterminate concept. A fraction of framework aluminum changes geometry to octahedral …

Molecular understanding of the catalytic consequence of ketene intermediates under confinement

W Chen, G Li, X Yi, SJ Day, KA Tarach… - Journal of the …, 2021 - ACS Publications
Neutral ketene is a crucial intermediate during zeolite carbonylation reactions. In this work,
the roles of ketene and its derivates (viz., acylium ion and surface acetyl) associated with …

Solid-state 31P NMR mapping of active centers and relevant spatial correlations in solid acid catalysts

X Yi, HH Ko, F Deng, SB Liu, A Zheng - Nature Protocols, 2020 - nature.com
Solid acid catalysts are used extensively in various advanced chemical and petrochemical
processes. Their catalytic performance (namely, activity, selectivity, and reaction pathway) …

Dynamic evolution of aluminum coordination environments in mordenite zeolite and their role in the dimethyl ether (DME) carbonylation reaction

R Liu, B Fan, Y Zhi, C Liu, S Xu, Z Yu… - Angewandte Chemie …, 2022 - Wiley Online Library
Part of tetrahedral framework aluminum in a protonic mordenite (HMOR) will convert
geometry to distorted tetrahedral and octahedral coordination. High‐field 27Al NMR data …

Increasing the Number of Aluminum Atoms in T3 Sites of a Mordenite Zeolite by Low‐Pressure SiCl4 Treatment to Catalyze Dimethyl Ether Carbonylation

R Liu, B Fan, W Zhang, L Wang, L Qi… - Angewandte Chemie …, 2022 - Wiley Online Library
Controlling the location of aluminum atoms in a zeolite framework is critical for
understanding structure–performance relationships of catalytic reaction systems and …

Polyethylene Upgrading to Liquid Fuels Boosted by Atomic Ce Promoters

X Wu, X Wang, L Zhang, X Wang, S Song… - Angewandte …, 2024 - Wiley Online Library
Hydrocracking catalysis is a key route to plastic waste upgrading, but the acid site‐driven C−
C cleavage step is relatively sluggish in conventional bifunctional catalysts, dramatically …

What is being measured with P-bearing NMR probe molecules adsorbed on zeolites?

C Bornes, M Fischer, JA Amelse… - Journal of the …, 2021 - ACS Publications
Elucidating the nature, strength, and siting of acid sites in zeolites is fundamental to fathom
their reactivity and catalytic behavior. Despite decades of research, this endeavor remains a …