Distinguishing Thermal from Nonthermal ("Hot") Carriers in Illuminated Molecular Junctions

Research output: Contribution to journalArticlepeer-review

Abstract

The search for the signature of nonthermal (so-called "hot") electrons in illuminated plasmonic nanostructures requires detailed understanding of the nonequilibrium electron distribution under illumination, as well as a careful design of the experimental system employed to distinguish nonthermal electrons from thermal ones. Here, we provide a theory for using plasmonic molecular junctions to achieve this goal. We show how nonthermal electrons can be measured directly and separately from the unavoidable thermal response and discuss the relevance of our theory to recent experiments.

Original languageEnglish
Pages (from-to)2127-2133
Number of pages7
JournalNano Letters
Volume22
Issue number5
Early online date25 Jan 2022
DOIs
StateE-pub ahead of print - 25 Jan 2022

Keywords

  • electron nonequilibrium
  • hot carriers
  • molecular junctions
  • plasmonics

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