Single-atom alloy catalysis

RT Hannagan, G Giannakakis… - Chemical …, 2020 - ACS Publications
Single-atom alloys (SAAs) play an increasingly significant role in the field of single-site
catalysis and are typically composed of catalytically active elements atomically dispersed in …

O2 Activation by Metal Surfaces: Implications for Bonding and Reactivity on Heterogeneous Catalysts

MM Montemore, MA Van Spronsen, RJ Madix… - Chemical …, 2017 - ACS Publications
The activation of O2 on metal surfaces is a critical process for heterogeneous catalysis and
materials oxidation. Fundamental studies of well-defined metal surfaces using a variety of …

Oxygen activation and reaction on Pd–Au bimetallic surfaces

WY Yu, L Zhang, GM Mullen… - The Journal of …, 2015 - ACS Publications
Pd–Au bimetallic catalysts have shown promising performance for a number of oxidative
reactions. The present study utilizes reactive molecular beam scattering (RMBS), reflection …

CO oxidation over strained Pt (100) surface: A DFT study

F Liu, C Wu, G Yang, S Yang - The Journal of Physical Chemistry …, 2015 - ACS Publications
The oxidation of CO on strained Pt (100) surface was studied using periodic density
functional theory (DFT). Unlike the uniform response of global properties (eg, d-band center) …

Structural Rearrangement of Au–Pd Nanoparticles under Reaction Conditions: An ab Initio Molecular Dynamics Study

CQ Xu, MS Lee, YG Wang, DC Cantu, J Li… - ACS …, 2017 - ACS Publications
The structure, composition, and atomic distribution of nanoalloys under operating conditions
are of significant importance for their catalytic activity. In the present work, we use ab initio …

Atomic ensemble effects on formic acid oxidation on PdAu electrode studied by first-principles calculations

DW Yuan, ZR Liu - Journal of power sources, 2013 - Elsevier
Using first-principles methods, we investigated the reaction pathways of the formic acid
oxidation on Pd (111) and PdAu (111) surfaces. The dehydrogenation of formic acid can …

CO Oxidation on Colloidal Au0.80Pd0.20–FexOy Dumbbell Nanocrystals

C George, A Genovese, A Casu, M Prato, M Povia… - Nano …, 2013 - ACS Publications
We report a colloidal synthesis of Au0. 80Pd0. 20–Fe x O y dumbbell nanocrystals (NCs)
derived from Au0. 75Pd0. 25 NCs by metal oxide overgrowth. We compared the catalytic …

Efficient oxidation of CO over highly active Al-decorated nitrogenated holey 2D-graphene: A DFT perspective

AH Ragab, I Khan, M Khan, TA Yousef… - Inorganic Chemistry …, 2023 - Elsevier
Spin-polarized density functional theory (DFT) calculations are employed to investigate the
catalytic activity of the Al decorated C 2 N monolayer (Al@ C 2 N) as a single atom catalyst …

Advances in Naked Metal Clusters for Catalysis

Z Luo, A Shehzad - ChemPhysChem, 2024 - Wiley Online Library
The properties of sub–nano metal clusters are governed by quantum confinement and their
large surface–to–bulk ratios, atomically precise compositions and geometric/electronic …

Role of small Pd ensembles in boosting CO oxidation in AuPd alloys

HC Ham, JA Stephens, GS Hwang, J Han… - The Journal of …, 2012 - ACS Publications
We present a theoretical explanation on how PdAu alloy catalysts can enhance the
oxidation of CO molecules based on density functional theory calculations of CO adsorption …