Assistance of metal nanoparticles in photocatalysis-nothing more than a classical heat source

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Abstract

In a recent paper, we derived a self-consistent theory of the steady-state electron distribution of a metal under continuous wave illumination which treats thermal and non-thermal effects on the same footing. Here, we re-derive the main analytical results of that study from very simple arguments, and draw a series of conclusions which contradict claims made in previous studies of the steady-state distribution. In particular, we show that the faster chemical reactions reported in many previous papers are extremely unlikely to originate from high energy non-thermal electrons. Instead, the faster reactions very likely originate from a purely thermal effect.

Original languageEnglish
Pages (from-to)215-233
Number of pages19
JournalFaraday Discussions
Volume214
DOIs
StatePublished - 1 Jan 2019

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