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Hot electron science in plasmonics and catalysis: what we argue about

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Abstract

Hot electron photochemistry has made strong claims for improved control of chemical reactions. Here I discuss these claims in the light of a plethora of model experiments and theories, asking what are the key issues to solve. I particularly highlight the need to understand nanoscale thermal hot-spots, thermal gradients, and thermal transport, as well as the conventional optical confinement in plasmonics. I note how the ‘direct electron transfer’ process seems to dominate, and resembles well known ‘indirect excitons’ in semiconductor quantum wells. I believe a crucial advance still required is a prototype nano-confined geometry which allows reactants and products to access a well-controlled metallic atomic surface.

Graphical abstract: Hot electron science in plasmonics and catalysis: what we argue about

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Publication details

The article was received on 22 Mar 2019, accepted on 01 Apr 2019 and first published on 24 Apr 2019


Article type: Paper
DOI: 10.1039/C9FD00027E
Faraday Discuss., 2019, Advance Article

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    Hot electron science in plasmonics and catalysis: what we argue about

    J. J. Baumberg, Faraday Discuss., 2019, Advance Article , DOI: 10.1039/C9FD00027E

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