American Association for the Advancement of Science, Science, 6439(364), 2019
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Sivan et al . claim that the methods used to distinguish thermal from hot carrier effects in our recent report are inaccurate and that our data can be explained by a purely thermal mechanism with a fixed activation energy. This conclusion is invalid, because they substantially misinterpret the emissivity of the photocatalyst and assume a linear intensity–dependent temperature in their model that is unrealistic.