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Plasmonic hot electron transport drives nano-localized chemistry

Author

Listed:
  • Emiliano Cortés

    (The Blackett Laboratory, Imperial College London)

  • Wei Xie

    (Physical Chemistry I, University of Duisburg-Essen
    Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University)

  • Javier Cambiasso

    (The Blackett Laboratory, Imperial College London)

  • Adam S. Jermyn

    (Institute of Astronomy, Cambridge University
    Faculty of Arts and Sciences, Harvard University)

  • Ravishankar Sundararaman

    (Rensselaer Polytechnic Institute)

  • Prineha Narang

    (Faculty of Arts and Sciences, Harvard University)

  • Sebastian Schlücker

    (Physical Chemistry I, University of Duisburg-Essen)

  • Stefan A. Maier

    (The Blackett Laboratory, Imperial College London)

Abstract

Nanoscale localization of electromagnetic fields near metallic nanostructures underpins the fundamentals and applications of plasmonics. The unavoidable energy loss from plasmon decay, initially seen as a detriment, has now expanded the scope of plasmonic applications to exploit the generated hot carriers. However, quantitative understanding of the spatial localization of these hot carriers, akin to electromagnetic near-field maps, has been elusive. Here we spatially map hot-electron-driven reduction chemistry with 15 nm resolution as a function of time and electromagnetic field polarization for different plasmonic nanostructures. We combine experiments employing a six-electron photo-recycling process that modify the terminal group of a self-assembled monolayer on plasmonic silver nanoantennas, with theoretical predictions from first-principles calculations of non-equilibrium hot-carrier transport in these systems. The resulting localization of reactive regions, determined by hot-carrier transport from high-field regions, paves the way for improving efficiency in hot-carrier extraction science and nanoscale regio-selective surface chemistry.

Suggested Citation

  • Emiliano Cortés & Wei Xie & Javier Cambiasso & Adam S. Jermyn & Ravishankar Sundararaman & Prineha Narang & Sebastian Schlücker & Stefan A. Maier, 2017. "Plasmonic hot electron transport drives nano-localized chemistry," Nature Communications, Nature, vol. 8(1), pages 1-10, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14880
    DOI: 10.1038/ncomms14880
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    Cited by:

    1. Gunjan Sharma & Rishi Verma & Shinya Masuda & Khaled Mohamed Badawy & Nirpendra Singh & Tatsuya Tsukuda & Vivek Polshettiwar, 2024. "Pt-doped Ru nanoparticles loaded on ‘black gold’ plasmonic nanoreactors as air stable reduction catalysts," Nature Communications, Nature, vol. 15(1), pages 1-16, December.
    2. Yingrui Zhang & Ziwei Ye & Chunchun Li & Qinglu Chen & Wafaa Aljuhani & Yiming Huang & Xin Xu & Chunfei Wu & Steven E. J. Bell & Yikai Xu, 2023. "General approach to surface-accessible plasmonic Pickering emulsions for SERS sensing and interfacial catalysis," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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