Volume 214, 2019

Hot carriers generated by plasmons: where are they generated and where do they go from there?

Abstract

A physically transparent unified theory of optically- and plasmon-induced hot carrier generation in metals is developed with all of the relevant mechanisms included. Analytical expressions that estimate the carrier generation rates and their locations, energies and directions of motion are obtained. Among the four mechanisms considered: interband absorption, phonon and defect assisted absorption, electron–electron scattering assisted absorption and surface-collision assisted absorption (Landau damping), it is the last one that generates hot carriers, which are most useful for practical applications in photodetection and photocatalysis.

Graphical abstract: Hot carriers generated by plasmons: where are they generated and where do they go from there?

Associated articles

Article information

Article type
Paper
Submitted
21 พ.ย. 2561
Accepted
05 ธ.ค. 2561
First published
07 ธ.ค. 2561

Faraday Discuss., 2019,214, 35-58

Author version available

Hot carriers generated by plasmons: where are they generated and where do they go from there?

J. B. Khurgin, Faraday Discuss., 2019, 214, 35 DOI: 10.1039/C8FD00200B

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