ArticleACS nano2024
Hot Electrons in a Steady State: Interband vs Intraband Excitation of Plasmonic Gold.
Article in ACS nano, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Energy-Resolved Femtosecond Dynamics of Plasmon-Induced Hole Injection at Au/GaN Heterointerfaces.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Green synthesis of bio-compatible carboxylate-functionalized carbon layers of 4 to 26 nm thickness on gold plasmonic nanoparticles.Nanoscale advances · 2026Article
- Trace Alloying Unleashed: AuPt Nanoalloys Strategy Preserves Plasmonic Properties on Au Nanobipyramids While Boosting Electron Transfer for Visible Light Ammonia Synthesis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Ultrafast nonthermal electron transfer at plasmonic interfaces.Nature communications · 2025Article
- Visualizing hot carrier dynamics by nonlinear optical spectroscopy at the atomic length scale.Nature communications · 2025Article
Corrections and comments
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Authors and funding
5 authors.
Funding
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Abstract
Understanding the dynamics of "hot", highly energetic electrons resulting from nonradiative plasmon decay is crucial for optimizing applications in photocatalysis and energy conversion. This study presents an analysis of electron kinetics within plasmonic metals, focusing on the steady-state behavior during continuous-wave (CW) illumination. Using an inelastic spectroscopy technique, we quantify the temperature and lifetimes of distinct carrier populations during excitation. A significant finding is the monotonic increase in hot electron lifetime with decreases in electronic temperature. We also observe a 1.22× increase in hot electron temperature during intraband excitation compared to interband excitation and a corresponding 2.34× increase in carrier lifetime. The shorter lifetimes during interband excitation are hypothesized to result from direct recombination of nonthermal holes and hot electrons, highlighting steady-state kinetics. Our results help bridge the knowledge gap between ultrafast and steady-state spectroscopies, offering critical insights for optimizing plasmonic applications.
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Registered trials
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