Condition-dependent Pd speciation and NO adsorption in Pd/zeolites

K Mandal, Y Gu, KS Westendorff, S Li, JA Pihl… - ACS …, 2020 - ACS Publications
Metal ions exchanged on zeolites represent a unique bridge between heterogeneous solid
materials and homogeneous inorganic chemistry. The complexing of exchanged metal ions …

Experimental and Theoretical Characterization of Rh Single Atoms Supported on γ-Al2O3 with Varying Hydroxyl Contents during NO Reduction by CO

AJ Hoffman, C Asokan, N Gadinas, E Schroeder… - ACS …, 2022 - ACS Publications
Oxide-supported Rh catalysts are important components of commercial three-way catalysts
for pollution abatement. Despite their universal application, many mysteries remain about …

Density functional theory researches for atomic structure, properties prediction, and rational design of selective catalytic reduction catalysts: Current progresses and …

B Guan, H Jiang, Y Wei, Z Liu, X Wu, H Lin, Z Huang - Molecular Catalysis, 2021 - Elsevier
In recent years, molecular simulation methods, especially density functional theory (DFT),
have attracted much attention and been widely used to study the SCR reaction theoretically …

Mechanistic stages of the SCR reaction–Insights into the trade-off between NO reduction and NH3 oxidation over CuSSZ-13 catalysts via isotopic 15NH3 and 18O2 …

M Fedyna, B Mozgawa, F Zasada, K Góra-Marek… - Applied Catalysis B …, 2023 - Elsevier
Isotopic labeling investigations into SCR reaction were performed over CuSSZ-13 zeolites,
obtained by one-pot synthesis or impregnation, and characterized by XRD, HR-SEM …

On the accuracy of density functional theory in zeolite catalysis

TJ Goncalves, PN Plessow, F Studt - ChemCatChem, 2019 - Wiley Online Library
Zeolites are porous materials that are typically studied using periodic density functional
theory (DFT). In this work we benchmark commonly used density functionals using cluster …

Mechanism of NH3–Selective Catalytic Reduction (SCR) of NO/NO2 (Fast SCR) over Cu-CHA Zeolites Studied by In Situ/Operando Infrared Spectroscopy and …

C Liu, G Malta, H Kubota, T Toyao… - The Journal of …, 2021 - ACS Publications
In situ/operando infrared (IR) spectroscopy, kinetics, and density functional theory (DFT)
calculations were combined to propose a comprehensive mechanistic model of the selective …

Mechanistic insight into the passive NOx adsorption in the highly dispersed Pd/HBEA zeolite

D Mei, F Gao, J Szanyi, Y Wang - Applied Catalysis A: General, 2019 - Elsevier
Passive NO x adsorption using zeolite supported Pd catalysts has been considered one of
most effective methods for low-temperature NO storage in the diesel engine emission …

Zeolite adsorption free energies from ab initio potentials of mean force

H Li, C Paolucci, WF Schneider - Journal of chemical theory and …, 2018 - ACS Publications
The ability of metal-exchanged zeolites to chemisorb small gas molecules is key to their
performance as heterogeneous catalysts and gas-separating agents. Here, we propose and …

[HTML][HTML] Mechanism for SO2 poisoning of Cu-CHA during low temperature NH3-SCR

JD Bjerregaard, M Votsmeier, H Groenbeck - Journal of Catalysis, 2023 - Elsevier
Abstract Density Functional Theory (DFT) calculations are used to investigate low
temperature SO 2 deactivation of Cu-CHA during ammonia assisted selective catalytic …

Hydrogen-Bond-Assisted Adsorption of Nitric Oxide on Various Metal-Loaded ZSM-5 Zeolites

TM Ismail, KP Prasanthkumar, C Ebenezer, BA Anjali… - Langmuir, 2022 - ACS Publications
Understanding the characteristics of nitric oxide (NO) adsorption on metal-loaded zeolites is
a prerequisite for develo** efficient catalysts for NO abatement reactions. In this study, we …