Issue 10, 2020

Surface softening in palladium nanoparticles: effects of a capping agent on vibrational properties

Abstract

The presence of a capping agent (CTAB) on Pd nanoparticles produces a strong static disorder in the surface region. This results in a surface softening, which contributes to an overall increase in the Debye–Waller coefficient measured by X-ray powder diffraction. Molecular dynamics and density functional theory simulations show that the adsorption-induced surface disorder is strong enough to overcome the effects of nanoparticle size and shape.

Graphical abstract: Surface softening in palladium nanoparticles: effects of a capping agent on vibrational properties

Supplementary files

Article information

Article type
Paper
Submitted
07 yan 2020
Accepted
19 fev 2020
First published
21 fev 2020

Nanoscale, 2020,12, 5876-5887

Surface softening in palladium nanoparticles: effects of a capping agent on vibrational properties

L. Rebuffi, B. Mukherjee, S. Siboni, A. P. Young, B. P. Williams, C. Tsung and P. Scardi, Nanoscale, 2020, 12, 5876 DOI: 10.1039/D0NR00182A

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