Metal clusters synthesized in helium droplets: structure and dynamics from experiment and theory

Wolfgang E. Ernst*, Andreas W. Hauser

*Corresponding author for this work

Research output: Contribution to journalReview article

Abstract

Metal clusters have drawn continuous interest because of their high potential for the assembly of matter with special properties that may significantly differ from the corresponding bulk. Controlled combination of particular elements in one nanoparticle can increase the options for the creation of new materials for photonic, catalytic, or electronic applications. Superfluid helium droplets provide confinement and ultralow temperature,i.e.an ideal environment for the atom-by-atom aggregation of a new nanoparticle. This perspective presents a review of the current research progress on the synthesis of tailored metal and metal oxide clusters including core-shell designs, their characterization within the helium droplet beam, deposition on various solid substrates, and analysisviasurface diagnostics. Special attention is given to the thermal properties of mixed metal clusters and questions about alloy formation on the nanoscale. Experimental results are accompanied by theoretical approaches employing computational chemistry, molecular dynamics simulations and He density functional theory.

Original languageEnglish
Pages (from-to)7553-7574
Number of pages22
JournalPhysical Chemistry, Chemical Physics
Volume23
Issue number13
DOIs
Publication statusPublished - 7 Apr 2021

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Fields of Expertise

  • Advanced Materials Science

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