Nanomaterials exhibit structural and functional heterogeneity among individual
nanoparticles, thus requiring a capability to study single nanoparticles. While electron …

Metallic nanoparticles supporting a localized surface plasmon resonance have emerged as
promising platforms for nanoscopic labels, sensors, and (photo-) catalysts. To use …

Interest in nanotechnology is driven by the unique and novel properties of nanoscale
materials such as the strong interaction of metal particles with light, caused by localized …

Electrochemistry exploits local current heterogeneities at various scales ranging from the
micrometer to the nanometer. The last decade has witnessed unprecedented progress in the …

Dark-field microscopy (DFM) is an effective method to detect the scattering signal from single
nanoparticles. This technique could break through the 200 nm limit resolution of ordinary …

Optical polarization has attracted considerable research attention by extra detection
dimension in angular space, flourishing modern optoelectronic applications. Nonetheless …

The plasmonic resonances of nanostructured silver films produce exceptional surface
enhancement, enabling reproducible single-molecule Raman scattering measurements …

Multiple localized surface plasmon resonance (LSPR) modes induced in gold and silver
nanocrescents exhibit anisotropic behavior with respect to polarization of incident light …

Strongly confined electric fields resulting from nanogaps within nanoparticle aggregates
give rise to significant enhancement of surface-enhanced Raman scattering (SERS) …

Dark-field microscopy (DFM) is widely used to optically image and spectroscopically analyze
nanoscale objects. In a typical DFM configuration, a sample is illuminated at oblique angles …