Volume 214, 2019

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

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

Article information

Article type
Paper
Submitted
22 Mar 2019
Accepted
01 Apr 2019
First published
24 Apr 2019

Faraday Discuss., 2019,214, 501-511

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

J. J. Baumberg, Faraday Discuss., 2019, 214, 501 DOI: 10.1039/C9FD00027E

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