Advances in ultrafast plasmonics

AN Koya, M Romanelli, J Kuttruff… - Applied Physics …, 2023 - pubs.aip.org
In the past 20 years, we have reached a broad understanding of many light-driven
phenomena in nanoscale systems. The temporal dynamics of the excited states are instead …

Hot-electron dynamics in plasmonic nanostructures: fundamentals, applications and overlooked aspects

J Khurgin, AY Bykov, AV Zayats - eLight, 2024 - Springer
Light absorption near a surface of conductive materials and nanostructures leads to the
excitation of nonequilibrium, high-energy charge carriers: electrons above the Fermi level or …

[HTML][HTML] Roadmap on photonic metasurfaces

SA Schulz, R Oulton, M Kenney, A Alù, I Staude… - Applied Physics …, 2024 - pubs.aip.org
Here we present a roadmap on Photonic metasurfaces. This document consists of a number
of perspective articles on different applications, challenge areas or technologies underlying …

Ultrafast hot-carrier dynamics in ultrathin monocrystalline gold

CO Karaman, AY Bykov, F Kiani, G Tagliabue… - Nature …, 2024 - nature.com
Applications in photodetection, photochemistry, and active metamaterials and metasurfaces
require fundamental understanding of ultrafast nonthermal and thermal electron processes …

Broadband transient response and wavelength-tunable photoacoustics in plasmonic hetero-nanoparticles

AY Bykov, Y Xie, AV Krasavin, AV Zayats - Nano Letters, 2023 - ACS Publications
The optically driven acoustic modes and nonlinear response of plasmonic nanoparticles are
important in many applications, but are strongly resonant, which restricts their excitation to …

Atomistic theory of hot-carrier relaxation in large plasmonic nanoparticles

SM João, H Jin, JC Lischner - The Journal of Physical Chemistry …, 2023 - ACS Publications
Recently, there has been significant interest in harnessing hot-carriers generated from the
decay of localized surface plasmons in metallic nanoparticles for applications in …

Shape influence on the ultrafast plasmonic properties of gold nanoparticles

D Peckus, A Tamulevičienė, K Mougin… - Optics express, 2022 - opg.optica.org
The aim of shape-controlled colloidal synthesis of gold (Au) is to produce Au nanoparticles
(NPs) with fine control of shapes, sizes, and dispersities. We show how transient absorption …

Charge Separation between Pt Co-catalysts and Plasmonic Au in Pt–Au/C3N4 Photocatalysts

H Xie, Z Li, J Zhu, H Li, Q Yang, Y Yang… - The Journal of Physical …, 2022 - ACS Publications
Chemical processes induced by surface plasmon resonance have received great attention
due to the wide spectral absorption and tunable optical property. Co-catalysts have been …

Hot-electron dynamics in plasmonic nanostructures

J Khurgin, AY Bykov, AV Zayats - arXiv preprint arXiv:2302.10247, 2023 - arxiv.org
The coherent oscillations of mobile charge carriers near the surface of good conductors-
surface plasmons-are been exploited in many applications in information technologies …

Influence of molecular structure on the coupling strength to a plasmonic nanoparticle and hot carrier generation

R Zaier, M Bancerek, K Kluczyk-Korch, TJ Antosiewicz - Nanoscale, 2024 - pubs.rsc.org
Strong coupling between metal nanoparticles and molecules mixes their excitations,
creating new eigenstates with modified properties such as altered chemical reactivity …