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Hot electrons · Plasmonics

Published 2019 · Explained Sep 2026

Light on metal nanoparticles mostly makes heat, yet hot-electron transfer is still measured

Evidence: Contested

What changed

A careful energy-conserving model puts the non-thermal share at a tiny fraction under steady light, while a pulsed strong-coupling experiment reports measurable injection. The model is for silver without interband transitions, and the experiment is one material system whose efficiency mechanism is proposed rather than measured, so neither settles the other.

2 studies · Theoretical model versus a pump-probe e…