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Unearthing the factors governing site specific rates of electronic excitations in multicomponent plasmonic systems and catalysts

Abstract

We use experimental and computational studies of core-shell metal-semiconductor and metal-molecule systems to investigate the mechanism of energy flow and energetic charge carrier generation in multicomponent plasmonic systems. We demonstrate that the rates of plasmon decay through the formation of energetic charge carriers are governed by two factors: (1) the intensity of the local plasmon induced electric fields at a specific location in the multicomponent nanostructure, and (2) the availability of direct, momentum conserved electronic excitations in the material located in that specific location. We propose a unifying physical framework that describes the flow of energy in all multicomponent plasmonic systems and leads us towards molecular control of the energy flow and excited charge carrier generation in these systems.

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Publication details

The article was received on 02 Oct 2018, accepted on 08 Nov 2018 and first published on 12 Dec 2018


Article type: Paper
DOI: 10.1039/C8FD00143J
Citation: Faraday Discuss., 2019, Accepted Manuscript

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    Unearthing the factors governing site specific rates of electronic excitations in multicomponent plasmonic systems and catalysts

    S. Chavez, V. G. Rao and S. Linic, Faraday Discuss., 2019, Accepted Manuscript , DOI: 10.1039/C8FD00143J

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