Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 121, Issue 40, Pages 22434-22441Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.7b05795
Keywords
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Funding
- MIUR Futuro in ricerca [RBFR13NEA4]
- Universita Cattolica del Sacro Cuore [D.2.2, D.3.1]
- Fondazione E.U.L.O
- European Union [312483 ESTEEM2]
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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, multi technique 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 nano-metrology 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.
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