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Hot carriers generated by plasmons: where are they are 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 the relevant mechanisms included. Analytical expressions that estimate the carrier generation rates, their locations, energy and direction of motion are obtained. Among 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 photo detection and photo catalysis.

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Publication details

The article was received on 21 Nov 2018, accepted on 05 Dec 2018 and first published on 07 Dec 2018


Article type: Paper
DOI: 10.1039/C8FD00200B
Citation: Faraday Discuss., 2018, Accepted Manuscript
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    Hot carriers generated by plasmons: where are they are generated and where do they go from there?

    J. Khurgin, Faraday Discuss., 2018, Accepted Manuscript , DOI: 10.1039/C8FD00200B

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