Pt-based intermetallic compound catalysts for the oxygen reduction reaction: structural control at the atomic scale to achieve a win–win situation between catalytic …
J Wang, F Pan, W Chen, B Li, D Yang, P Ming… - Electrochemical Energy …, 2023 - Springer
The development of ordered Pt-based intermetallic compounds is an effective way to
optimize the electronic characteristics of Pt and its disordered alloys, inhibit the loss of …
optimize the electronic characteristics of Pt and its disordered alloys, inhibit the loss of …
Strain engineering in alloy nanoparticles
The deformation of interatomic distances with respect to those of the perfect crystal
generates atomic-level strain. In nanoalloys, strain can arise because of finite size …
generates atomic-level strain. In nanoalloys, strain can arise because of finite size …
Alloy vs. intermetallic compounds: Effect of the ordering on the electrocatalytic activity for oxygen reduction and the stability of low temperature fuel cell catalysts
E Antolini - Applied Catalysis B: Environmental, 2017 - Elsevier
The application of intermetallic compounds in heterogeneous catalysis had a significant
boost during the last decade. Notwithstanding the advantages related to the use of …
boost during the last decade. Notwithstanding the advantages related to the use of …
Core–shell vs. multi-shell formation in nanoalloy evolution from disordered configurations
The evolution towards equilibrium of AuCo, AgNi and AgCu nanoparticles is studied by
molecular dynamics simulations. Nanoparticle sizes of about 2.5 nm are considered, in the …
molecular dynamics simulations. Nanoparticle sizes of about 2.5 nm are considered, in the …
Restructuring effects of the chemical environment in metal nanocatalysis and single-atom catalysis
L Piccolo - Catalysis Today, 2021 - Elsevier
Metal-based heterogeneous catalysts mostly consist of supported nanoparticles of a few
nanometers in size, since these objects provide a good compromise between exposed …
nanometers in size, since these objects provide a good compromise between exposed …
Strain-induced restructuring of the surface in core@ shell nanoalloys
A general trend towards surface reconstructions which eliminate open facets in favour of
close-packed facets is found for a wide class of A@ B nanoalloys with atomically thin shells …
close-packed facets is found for a wide class of A@ B nanoalloys with atomically thin shells …
Reversed size-dependent stabilization of ordered nanophases
J Pirart, A Front, D Rapetti… - Nature …, 2019 - nature.com
The size increase of a nanoscale material is commonly associated with the increased
stability of its ordered phases. Here we give a counterexample to this trend by considering …
stability of its ordered phases. Here we give a counterexample to this trend by considering …
From metastability to equilibrium during the sequential growth of Co–Ag supported clusters: A real-time investigation
Atomic motions and morphological evolution of growing Co–Ag nanoparticles are followed
in situ and in real time, by wide and small angle X-ray scattering obtained simultaneously in …
in situ and in real time, by wide and small angle X-ray scattering obtained simultaneously in …
Strategies to enhance the electrochemical performances of Pt-based intermetallic catalysts
The need for improving the energy conversion efficiency of proton exchange membrane fuel
cells (PEMFCs) has motivated the development of advanced electrocatalysts with desirable …
cells (PEMFCs) has motivated the development of advanced electrocatalysts with desirable …
Elucidating the restructuring-induced highly active bimetallic Pt–Co/KL catalyst for the aromatization of n-heptane
A bimetallic Pt–Co/KL catalyst was fabricated via the atomic layer deposition (ALD) method
and demonstrated to be highly active and stable for the aromatization of n-heptane at a low …
and demonstrated to be highly active and stable for the aromatization of n-heptane at a low …