Atomistic insights into the nucleation and growth of platinum on palladium nanocrystals.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
02 Jun 2021
02 Jun 2021
Historique:
received:
08
09
2020
accepted:
09
04
2021
entrez:
3
6
2021
pubmed:
4
6
2021
medline:
4
6
2021
Statut:
epublish
Résumé
Despite the large number of reports on colloidal nanocrystals, very little is known about the mechanistic details in terms of nucleation and growth at the atomistic level. Taking bimetallic core-shell nanocrystals as an example, here we integrate in situ liquid-cell transmission electron microscopy with first-principles calculations to shed light on the atomistic details involved in the nucleation and growth of Pt on Pd cubic seeds. We elucidate the roles played by key synthesis parameters, including capping agent and precursor concentration, in controlling the nucleation site, diffusion path, and growth pattern of the Pt atoms. When the faces of a cubic seed are capped by Br
Identifiants
pubmed: 34078886
doi: 10.1038/s41467-021-23290-x
pii: 10.1038/s41467-021-23290-x
pmc: PMC8173021
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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