Technical Comments

Comment on “Quantifying hot carrier and thermal contributions in plasmonic photocatalysis”

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Science  03 May 2019:
Vol. 364, Issue 6439, eaaw9367
DOI: 10.1126/science.aaw9367


Zhou et al. (Reports, 5 October 2018, p. 69) claim to have proven dominance of “hot” electrons over thermal effects in plasmonic photocatalysis. We identify experimental flaws that caused overestimation of the hot carrier contribution. As an alternative interpretation, we fully reproduce their data using a purely thermal Arrhenius law with a fixed activation energy and intensity-dependent heating.

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