Less and Less Noble: Local Adsorption Properties of Supported Au, Ni, and Pt Nanoparticles

In this work, we studied the local adsorption properties of gold, nickel, and platinum nanoparticles. A correlation was established between the chemical properties of massive and nanosized particles of these metals. The formation of a stable adsorption complex M-A on the nanoparticles' surface...

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Bibliographic Details
Published in:Nanomaterials (Basel, Switzerland) Switzerland), 2023-04, Vol.13 (8), p.1365
Main Authors: Gatin, Andrey K, Sarvadii, Sergey Y, Dokhlikova, Nadezhda V, Ozerin, Sergey A, Kharitonov, Vasiliy A, Baimukhambetova, Dinara, Grishin, Maxim V
Format: Article
Language:English
Subjects:
Adsorption
carbon
Chemical bonds
Chemical properties
Chemisorption
Decomposition
Experiments
Gases
Geometry
Gold
Graphite
Heavy metals
Hybridization
interface
Metals
Nanoparticles
Nickel
Nitrates
platinum
Reagents
Surface chemistry
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Description
Summary:In this work, we studied the local adsorption properties of gold, nickel, and platinum nanoparticles. A correlation was established between the chemical properties of massive and nanosized particles of these metals. The formation of a stable adsorption complex M-A on the nanoparticles' surface was described. It was shown that the difference in local adsorption properties is caused by specific contributions of nanoparticle charging, the deformation of its atomic lattice near the M-C interface, and the hybridization of the surface s- and p-states. The contribution of each factor to the formation of the M-A chemical bond was described in terms of the Newns-Anderson chemisorption model.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano13081365