Revealing the energy spectrum of plasmonic hot-carriers via single molecule transport measurements

Vladimir M. Shalaev

doi:10.1117/12.2595726

3 August 2021 Revealing the energy spectrum of plasmonic hot-carriers via single molecule transport measurements

Vladimir M. Shalaev

Proceedings Volume 11795, Metamaterials, Metadevices, and Metasystems 2021; 1179515 (2021) https://doi.org/10.1117/12.2595726
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

Direct experimental elucidation of steady-state energy distributions of hot-carriers in plasmonic nanostructures is key for systematically advancing and evaluating competing theoretical frameworks as well as for rationally engineering hot-carrier technologies. In this study, we present a novel scanning probe-based approach and show that quantum transport measurements from single molecule junctions, created by trapping suitably chosen single molecules between an ultra-thin gold film supporting surface plasmon polaritons and a scanning tunneling microscope probe tip, can enable quantification of plasmonic hot-carrier energy distributions. Several key physical insights on the nature of hot-carrier distributions, obtained from these measurements, will be discussed.

Conference Presentation

Citation Download Citation

Vladimir M. Shalaev "Revealing the energy spectrum of plasmonic hot-carriers via single molecule transport measurements", Proc. SPIE 11795, Metamaterials, Metadevices, and Metasystems 2021, 1179515 (3 August 2021); https://doi.org/10.1117/12.2595726

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