Issue 25, 2023

Superfluid helium droplet-mediated surface-deposition of neutral and charged silver atomic species

Abstract

Experimental and theoretical work has delivered evidence of the helium nanodroplet-mediated synthesis and soft-landing of metal nanoparticles, nanowires, clusters, and single atoms on solid supports. Recent experimental advances have allowed the formation of charged metal clusters into multiply charged helium nanodroplets. The impact of the charge of immersed metal species in helium nanodroplet-mediated surface deposition is proved by considering silver atoms and cations at zero-temperature graphene as the support. By combining high-level ab initio intermolecular interaction theory with a full quantum description of the superfluid helium nanodroplet motion, evidence is presented that the fundamental mechanism of soft-deposition is preserved in spite of the much stronger interaction of charged species with surfaces, with high-density fluctuations in the helium droplet playing an essential role in braking them. Corroboration is also presented that the soft-landing becomes favored as the helium nanodroplet size increases.

Graphical abstract: Superfluid helium droplet-mediated surface-deposition of neutral and charged silver atomic species

Supplementary files

Article information

Article type
Communication
Submitted
22 Marts 2023
Accepted
01 Jūn. 2023
First published
02 Jūn. 2023
This article is Open Access
Creative Commons BY-NC license

Phys. Chem. Chem. Phys., 2023,25, 16699-16706

Superfluid helium droplet-mediated surface-deposition of neutral and charged silver atomic species

B. Fernández, M. Pi and M. P. de Lara-Castells, Phys. Chem. Chem. Phys., 2023, 25, 16699 DOI: 10.1039/D3CP01303K

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