Intrinsic optical properties and emerging applications of gold nanostructures

Z Guo, G Yu, Z Zhang, Y Han, G Guan… - Advanced …, 2023 - Wiley Online Library
The collective oscillation of free electrons at the nanoscale surface of gold nanostructures is
closely modulated by tuning the size, shape/morphology, phase, composition, hybridization …

Progress and prospects in optical ultrafast microscopy in the visible spectral region: Transient absorption and two-dimensional microscopy

N Gross, CT Kuhs, B Ostovar, WY Chiang… - The Journal of …, 2023 - ACS Publications
Ultrafast optical microscopy, generally employed by incorporating ultrafast laser pulses into
microscopes, can provide spatially resolved mechanistic insight into scientific problems …

Chemical and Physical Properties of Photonic Noble‐Metal Nanomaterials

YY Cai, YC Choi, CR Kagan - Advanced Materials, 2023 - Wiley Online Library
Colloidal noble metal nanoparticles (NPs) are composed of metal cores and organic or
inorganic ligand shells. These NPs support size‐and shape‐dependent plasmonic …

Coherent Acoustic Vibrational Spectrum of Single and Coupled Nanoresonators

K Yu, GP Wang - The Journal of Physical Chemistry C, 2024 - ACS Publications
Coherent acoustic vibrations of nanoresonators have attracted considerable attention, owing
to their rich phonon spectra. Understanding and manipulating coherent acoustic vibrational …

[HTML][HTML] Size and crystallinity effect on the ultrafast optical response of chemically synthesized silver nanoparticles

N Khinevich, D Peckus, A Tamulevičienė… - Journal of …, 2024 - Elsevier
The excited localized surface plasmon (LSP) in metallic nanoparticles is known to relax
through several processes such as electron-electron scattering, electron-phonon coupling …

Mode specific dynamics for the acoustic vibrations of a gold nanoplate

C Wright, GV Hartland - Photoacoustics, 2023 - Elsevier
The vibrational modes of semiconductor and metal nanostructures occur in the MHz to GHz
frequency range, depending on dimensions. These modes are at the heart of nano …

[HTML][HTML] Surface plasmon-based detection for picosecond ultrasonics in planar gold-dielectric layer geometries

F Noll, N Krauß, V Gusev, T Dekorsy, M Hettich - Photoacoustics, 2023 - Elsevier
Longitudinal acoustic modes in planar thin gold films are excited and detected by a
combination of ultrafast pump-probe photoacoustic spectroscopy and a surface plasmon …

The Science of Nanostructure Acoustic Vibrations

C Wright, GV Hartland - Annual review of physical chemistry, 2024 - annualreviews.org
Ultrafast excitation of nanoparticles can excite the acoustic vibrational modes of the structure
that correlate with the expansion coordinates. These modes are frequently seen in transient …

Coherent Acoustic Phonons in Plasmonic Nanoparticles: Elastic Properties and Dissipation at Low Temperatures

HD Boggiano, T Possmayer, L Morguet, L Nan… - ACS …, 2024 - ACS Publications
We studied the frequency and quality factor of mechanical plasmonic nanoresonators as a
function of temperature, ranging from ambient to 4 K. Our investigation focused on individual …

Launching directional hypersonic surface waves in monolithic gallium phosphide nanodisks: two holes are better than one

Y Yan, T Zhu, Q Zhao, R Berté, Y Li - Nanoscale, 2023 - pubs.rsc.org
The emergence and rapid progress of all-dielectric nanoantennas have provided
unprecedented platforms for applications in sensing, optical control of light, opto-mechanics …