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Themed collection Optical studies of single metal nanoparticles

24 items
Editorial

Optical studies of single metal nanoparticles

This part-themed issue presents an exciting collection of articles on the optical studies of single metal nanoparticles.

Graphical abstract: Optical studies of single metal nanoparticles
From the themed collection: Optical studies of single metal nanoparticles
Paper

Spatial distribution of enhanced optical fields in one-dimensional linear arrays of gold nanoparticles studied by scanning near-field optical microscopy

We visualized the enhanced optical field distributions in one-dimensional linear array structures of gold nanospheres by using scanning near-field optical microscopy.

Graphical abstract: Spatial distribution of enhanced optical fields in one-dimensional linear arrays of gold nanoparticles studied by scanning near-field optical microscopy
From the themed collection: Optical studies of single metal nanoparticles
Paper

Localized plasmon resonances of bimetallic AgAuAg nanorods

We observe that bimetallic AgAuAg nanorods support plasmons oscillating along the entire length of the nanorod without significant damping at the bimetallic interfaces.

Graphical abstract: Localized plasmon resonances of bimetallic AgAuAg nanorods
From the themed collection: Optical studies of single metal nanoparticles
Paper

Surface plasmon coupling in end-to-end linked gold nanorod dimers and trimers

Red-shift in the longitudinal surface plasmon resonance of end-to-end assembled nanostructures was observed, which exhibited polarization-dependent scattering properties, due to selective excitation of collective bonding and anti-bonding modes.

Graphical abstract: Surface plasmon coupling in end-to-end linked gold nanorod dimers and trimers
From the themed collection: Optical studies of single metal nanoparticles
Perspective

Single nanoparticle plasmonics

Near-field and far-field approaches provide complementary information on the plasmonic response of single nanoparticles. Adapted with permission from ref. 114, 120, 147 and 160.

Graphical abstract: Single nanoparticle plasmonics
From the themed collection: Optical studies of single metal nanoparticles
Paper

Theory for self-consistent interplay between light and nanomaterials strongly modified by metallic nanostructures

The interplay between the light field and the nanomaterials is designed by localized surface plasmons in metallic nanostructures.

Graphical abstract: Theory for self-consistent interplay between light and nanomaterials strongly modified by metallic nanostructures
From the themed collection: Optical studies of single metal nanoparticles
Paper

Detailed mechanism for the orthogonal polarization switching of gold nanorod plasmons

Active, orthogonal switching of a gold nanorod’s scattering polarization, achieved by reversible realignment of a liquid crystal medium, is minimally dependent on sample parameters.

Graphical abstract: Detailed mechanism for the orthogonal polarization switching of gold nanorod plasmons
From the themed collection: Optical studies of single metal nanoparticles
Perspective

Spectral properties and electromagnetic field enhancement effects on nano-engineered metallic nanoparticles

A perspective review describing the study on spectral properties of nano-engineered metallic particles and its electromagnetic field enhancement effect.

Graphical abstract: Spectral properties and electromagnetic field enhancement effects on nano-engineered metallic nanoparticles
From the themed collection: Optical studies of single metal nanoparticles
Paper

Strong optical coupling between mutually orthogonal plasmon oscillations in a silver nanosphere–nanowire joined system

Longitudinal plasmon mode of nanowire couples with dipolar plasmon of nanospheres in a perpendicular direction to the longitudinal mode.

Graphical abstract: Strong optical coupling between mutually orthogonal plasmon oscillations in a silver nanosphere–nanowire joined system
From the themed collection: Optical studies of single metal nanoparticles
Paper

Hyperspectral darkfield microscopy of single hollow gold nanoparticles for biomedical applications

A hyperspectral darkfield imaging microscope is presented capable of detecting single 50-nm diameter hollow gold nanoparticles at illumination intensities compatible with live cell imaging.

Graphical abstract: Hyperspectral darkfield microscopy of single hollow gold nanoparticles for biomedical applications
From the themed collection: Optical studies of single metal nanoparticles
Paper

Ground state depletion microscopy for imaging interactions between gold nanowires and fluorophore-labeled ligands

Ground state depletion microscopy of TAMRA-labeled DNA on gold nanowires is used to determine nanowire dimensions and demonstrate fluorescence coupling to surface plasmon polaritons.

Graphical abstract: Ground state depletion microscopy for imaging interactions between gold nanowires and fluorophore-labeled ligands
From the themed collection: Optical studies of single metal nanoparticles
Paper

Photothermal signal distribution analysis (PhoSDA)

A novel histogram analysis framework, the photothermal signal distribution analysis (PhoSDA), complements absorption correlation methods of non-fluorescent and non-bleaching ultra-stable metal nanoparticles. It is hereby possible to extract absorbent tracer concentrations, size dispersions, heterogeneous populations and focal geometry parameters which are otherwise inaccessible by correlation analysis.

Graphical abstract: Photothermal signal distribution analysis (PhoSDA)
From the themed collection: Optical studies of single metal nanoparticles
Paper

Polarization-resolved ultrafast dynamics of the complex polarizability in single gold nanoparticles

Using polarization-resolved resonant four-wave mixing in single gold nanoparticles coherent plasmons are distinguished from thermally induced nonlinearities.

Graphical abstract: Polarization-resolved ultrafast dynamics of the complex polarizability in single gold nanoparticles
From the themed collection: Optical studies of single metal nanoparticles
Paper

One-photon excited luminescence of single gold particles diffusing in solution under pulsed illumination

Evolution of the diffusion time of gold beads diffusing in water with respect to the pulsed laser irradiance.

Graphical abstract: One-photon excited luminescence of single gold particles diffusing in solution under pulsed illumination
From the themed collection: Optical studies of single metal nanoparticles
Paper

Revealing local, enhanced optical field characteristics of Au nanoparticle arrays with 10 nm gap using scattering-type scanning near-field optical microscopy

The local, enhanced optical field induced by plasmonic coupling of a gold nanoparticle array is revealed by scattering-type scanning near-field microscopy.

Graphical abstract: Revealing local, enhanced optical field characteristics of Au nanoparticle arrays with 10 nm gap using scattering-type scanning near-field optical microscopy
From the themed collection: Optical studies of single metal nanoparticles
Communication

Uniform gold spherical particles for single-particle surface-enhanced Raman spectroscopy

Single particle SERS signals were successfully obtained for a non-resonant aromatic molecule on Au spheres with tunable size and surface roughness.

Graphical abstract: Uniform gold spherical particles for single-particle surface-enhanced Raman spectroscopy
From the themed collection: Optical studies of single metal nanoparticles
Paper

Chemometric analysis of spectroscopic data on shape evolution of silver nanoparticles induced by hydrogen peroxide

Investigation of shape evolution of silver nanospheres to nanoplates using multivariate curve resolution–alternative least squares is demonstrated.

Graphical abstract: Chemometric analysis of spectroscopic data on shape evolution of silver nanoparticles induced by hydrogen peroxide
From the themed collection: Optical studies of single metal nanoparticles
Paper

Simple accurate approximations for the optical properties of metallic nanospheres and nanoshells

New simple analytical expressions provide accurate approximations to describe the plasmonic optical properties of metallic nanospheres and nanoshells.

Graphical abstract: Simple accurate approximations for the optical properties of metallic nanospheres and nanoshells
From the themed collection: Optical studies of single metal nanoparticles
Paper

From patterned optical near-fields to high symmetry acoustic vibrations in gold crystalline platelets

The patterned optical near-field distribution and the mechanical thickness vibrations of individual gold platelets are investigated by Two-Photon Luminescence and femtosecond transient absorption spectroscopy, respectively.

Graphical abstract: From patterned optical near-fields to high symmetry acoustic vibrations in gold crystalline platelets
From the themed collection: Optical studies of single metal nanoparticles
Paper

Damping of the acoustic vibrations of a suspended gold nanowire in air and water environments

The lifetimes of the acoustic vibrations of metal nanostructures depend sensitively on the properties of the environment, such as the acoustic impedance and viscosity.

Graphical abstract: Damping of the acoustic vibrations of a suspended gold nanowire in air and water environments
From the themed collection: Optical studies of single metal nanoparticles
Perspective

Optical properties of single coupled plasmonic nanoparticles

This article reviews the electromagnetic (EM) coupling in different forms of metal nanoparticles clusters and prospects the corresponding future directions.

Graphical abstract: Optical properties of single coupled plasmonic nanoparticles
From the themed collection: Optical studies of single metal nanoparticles
Paper

Nanoparticle surface electromagnetic fields studied by single-particle nonlinear optical spectroscopy

Nanoparticle surface electromagnetic fields are studied using single-particle nonlinear optical spectroscopy.

Graphical abstract: Nanoparticle surface electromagnetic fields studied by single-particle nonlinear optical spectroscopy
From the themed collection: Optical studies of single metal nanoparticles
Paper

High-precision measurement-based correlation studies among atomic force microscopy, Rayleigh scattering, and surface-enhanced Raman scattering at the single-molecule level

We investigated the correlations among the structure, Rayleigh scattering, and single-molecule surface-enhanced Raman scattering (SERS) of DNA-tethered Au–Ag core–shell nanoparticles, especially in dimer and trimer forms.

Graphical abstract: High-precision measurement-based correlation studies among atomic force microscopy, Rayleigh scattering, and surface-enhanced Raman scattering at the single-molecule level
From the themed collection: Optical studies of single metal nanoparticles
Paper

Local thermal elevation probing of metal nanostructures during laser illumination utilizing surface-enhanced Raman scattering from a single-walled carbon nanotube

Laser-induced heating of an individual Au nano-dimer was evaluated from the shift of the G-mode Raman spectra of an isolated SWNT under distinct light intensities.

Graphical abstract: Local thermal elevation probing of metal nanostructures during laser illumination utilizing surface-enhanced Raman scattering from a single-walled carbon nanotube
From the themed collection: Optical studies of single metal nanoparticles
24 items

About this collection

This themed collection in PCCP, guest edited by Greg Hartland, Hiromi Okamoto, Michel Orrit and Peter Zijlstra, brings together a number of papers on optical studies of single metal nanoparticles.

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