Bottom-Up Mechanical Nanometrology of Granular Ag Nanoparticles Thin Films

Gabriele Ferrini, Claudio Giannetti, Emanuele Cavaliere, Luca Gavioli, Francesco Banfi, Giulio Benetti, Claudia Caddeo, Claudio Melis, Naomi Winckelmans, Sara Bals, Margriet J Van Bael

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

18 Citazioni (Scopus)

Abstract

Ultrathin metal nanoparticles coatings, synthesized by gas-phase deposition, are emerging as go-to materials in a variety of fields ranging from pathogens control and sensing to energy storage. Predicting their morphology and mechanical properties beyond a trial-and-error approach is a crucial issue limiting their exploitation in real-life applications. The morphology and mechanical properties of Ag nanoparticle ultrathin films, synthesized by supersonic cluster beam deposition, are here assessed adopting a bottom-up, multitechnique approach. A virtual film model is proposed merging high resolution scanning transmission electron microscopy, supersonic cluster beam dynamics, and molecular dynamics simulations. The model is validated against mechanical nanometrology measurements and is readily extendable to metals other than Ag. The virtual film is shown to be a flexible and reliable predictive tool to access morphology-dependent properties such as mesoscale gas-dynamics and elasticity of ultrathin films synthesized by gas-phase deposition.
Lingua originaleEnglish
pagine (da-a)22434-22441
Numero di pagine8
RivistaJOURNAL OF PHYSICAL CHEMISTRY. C
Volume121
DOI
Stato di pubblicazionePubblicato - 2017

Keywords

  • Electronic, Optical and Magnetic Materials
  • Energy (all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

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