Pt surface segregation in bimetallic Pt3M alloys: A density functional theory study

Y Ma, PB Balbuena - Surface Science, 2008 - Elsevier
A simplified 5-layer slab model is used to study Pt segregation at Pt3M (111) surfaces (M=
Ag, Au, Co, Cr, Cu, Fe, Ir, Mn, Mo, Ni, Pd, Re, Rh, Ru, Ti, V). The calculated segregation …

Tuning of catalytic CO oxidation by changing composition of Rh− Pt bimetallic nanoparticles

JY Park, Y Zhang, M Grass, T Zhang, GA Somorjai - Nano letters, 2008 - ACS Publications
Recent breakthroughs in synthesis in nanoscience have achieved control of size and
composition of nanoparticles that are relevant for catalyst design. Here, we show that the …

Comprehensive search for new phases and compounds in binary alloy systems based on platinum-group metals, using a computational first-principles approach

GLW Hart, S Curtarolo, TB Massalski, O Levy - Physical Review X, 2013 - APS
We report a comprehensive study of the binary systems of the platinum-group metals with
the transition metals, using high-throughput first-principles calculations. These computations …

Phase stability of boron carbon nitride in a heterographene structure: A first-principles study

K Yuge - Physical Review B—Condensed Matter and Materials …, 2009 - APS
Phase stability for monolayer boron-carbon-nitride (BNC)(l-BNC) ternary system was
examined by Monte Carlo simulations and the cluster expansion technique based on first …

Platinum-Based Nanoalloys PtnTM55–n (TM = Co, Rh, Au): A Density Functional Theory Investigation

MJ Piotrowski, P Piquini… - The Journal of Physical …, 2012 - ACS Publications
Structural and electronic properties of the Pt n TM55–n (TM= Co, Rh, Au) nanoalloys are
investigated using density functional theory within the generalized gradient approximation …

Engineering the surface architecture of highly dilute alloys: an ab initio Monte Carlo approach

KG Papanikolaou, MT Darby, M Stamatakis - ACS catalysis, 2019 - ACS Publications
Highly dilute alloys of platinum group metals (PGMs: Pt, Rh, Ir, Pd, and Ni) with coinage
metals (Cu, Au, and Ag) serve as highly selective and coke-resistant catalysts in a number of …

The new face of rhodium alloys: revealing ordered structures from first principles

O Levy, RV Chepulskii, GLW Hart… - Journal of the American …, 2010 - ACS Publications
The experimental and computational data on rhodium binary alloys is sparse despite its
importance in numerous applications, especially as an alloying agent in catalytic materials …

Structurally ordered nanoporous Pt–Co alloys with enhanced mechanical behaviors in tension

J Li, Y Zhang, C Tian, H Zhou, G Hu, R Xia - Microporous and Mesoporous …, 2020 - Elsevier
An ordered bimetallic nanoporous structure might be preferable and promising for catalytic
applications due to the decreased Pt loading and the enhanced stability. Understanding the …

Single alloy nanoparticle x-ray imaging during a catalytic reaction

YY Kim, TF Keller, TJ Goncalves, M Abuin, H Runge… - Science …, 2021 - science.org
The imaging of active nanoparticles represents a milestone in decoding heterogeneous
catalysts' dynamics. We report the facet-resolved, surface strain state of a single PtRh alloy …

Construction of modified embedded atom method potentials for the study of the bulk phase behaviour in binary Pt–Rh, Pt–Pd, Pd–Rh and ternary Pt–Pd–Rh alloys

J Luyten, J De Keyzer, P Wollants, C Creemers - Calphad, 2009 - Elsevier
A first attempt is made to simulate the solid part of the phase diagram of the ternary Pt–Pd–
Rh system. To this end, Monte Carlo (MC) simulations are combined with the Modified …