Density functional theory based computational investigations on the stability of highly active trimetallic PtPdCu nanoalloys for electrochemical oxygen reduction

L Wang, RM Ore, PK Jayamaha, ZP Wu… - Faraday …, 2023 - pubs.rsc.org
Activity, cost, and durability are the trinity of catalysis research for the electrochemical
oxygen reduction reaction (ORR). While studies towards increasing activity and reducing …

Interface Pattern Engineering in Core‐Shell Upconverting Nanocrystals: Shedding Light on Critical Parameters and Consequences for the Photoluminescence …

D Hudry, A De Backer, R Popescu, D Busko, IA Howard… - Small, 2021 - Wiley Online Library
Advances in controlling energy migration pathways in core‐shell lanthanide (Ln)‐based
hetero‐nanocrystals (HNCs) have relied heavily on assumptions about how optically active …

[HTML][HTML] Metal clusters synthesized in helium droplets: structure and dynamics from experiment and theory

WE Ernst, AW Hauser - Physical Chemistry Chemical Physics, 2021 - pubs.rsc.org
Metal clusters have drawn continuous interest because of their high potential for the
assembly of matter with special properties that may significantly differ from the …

[HTML][HTML] Variable temperature in situ TEM mapping of the thermodynamically stable element distribution in bimetallic Pt–Rh nanoparticles

M Jensen, W Kierulf-Vieira, PJ Kooyman… - Nanoscale …, 2023 - pubs.rsc.org
We report here the first variable temperature in situ transmission electron microscopy (TEM)
study on smaller Pt–Rh nanoparticles (≤ 24 nm) under vacuum conditions. Well-defined 50 …

[HTML][HTML] First-principles modelling of the new generation of subnanometric metal clusters: Recent case studies

MP de Lara-Castells - Journal of Colloid and Interface Science, 2022 - Elsevier
The very recent development of highly selective techniques making possible the synthesis
and experimental characterization of subnanometric (subnanometer-sized) metal clusters …

[HTML][HTML] Impurity diffusion in magic-size icosahedral clusters

D Nelli, F Pietrucci, R Ferrando - The Journal of Chemical Physics, 2021 - pubs.aip.org
Atomic diffusion is at the basis of chemical ordering transformations in nanoalloys.
Understanding the diffusion mechanisms at the atomic level is therefore a key issue in the …

Structural evolution of iron–copper (Fe–Cu) bimetallic Janus nanoparticles during solidification: an atomistic investigation

S Kumar - The Journal of Physical Chemistry C, 2019 - ACS Publications
Bimetallic nanoparticles consist of two different metallic elements, which have attracted
enormous interest from both the scientific and industrial points of view. Bimetallic …

Simultaneous decomposition and dewetting of nanoscale alloys: A comparison of experiment and theory

JA Diez, AG González, DA Garfinkel, PD Rack… - Langmuir, 2021 - ACS Publications
We consider the coupled process of phase separation and dewetting of metal alloys of
nanoscale thickness deposited on solid substrates. The experiments involve applying …

Galvanic transformation dynamics in heterostructured nanoparticles

JS Du, K He, Y Xu, CB Wahl, DD Xu… - Advanced Functional …, 2021 - Wiley Online Library
Corrosion is a significant problem for the stability of structural metals and potentially for
functional nanomaterials in operating environments. When two metals with different …

Thermally induced diffusion and restructuring of iron triade (Fe, Co, Ni) nanoparticles passivated by several layers of gold

M Schnedlitz, D Knez, M Lasserus, F Hofer… - The Journal of …, 2020 - ACS Publications
The temperature-induced structural changes of Fe–, Co–, and Ni–Au core–shell
nanoparticles with diameters around 5 nm are studied via atomically resolved transmission …