Ultrathin dielectric gaps between metals can trap plasmonic optical modes with surprisingly
low loss and with volumes below 1 nm3. We review the origin and subtle properties of these …

The advent of nanotechnology, and the need to understand the chemical composition at the
nanoscale, has stimulated the convergence of IR and Raman spectroscopy with scanning …

Room-temperature detection of molecular vibrations in the mid-infrared (MIR, λ= 3–30 µm)
has numerous applications, including real-time gas sensing, medical imaging and quantum …

Single-molecule (SM) surface-enhanced Raman spectroscopy (SERS) and tip-enhanced
Raman spectroscopy (TERS) have emerged as analytical techniques for characterizing …

The development of diagnostic and therapeutic nanoparticles for biomedical applications is
of broad current interest in science, engineering, and medicine. The fundamental basis is …

Surface-enhanced Raman scattering (SERS) provides detailed information about the
binding of molecules at interfaces and their interactions with the local environment due to …

In this feature article, we discuss in detail developmental bottleneck issues in Raman
spectroscopy in its early stages and surface-enhanced Raman spectroscopy (SERS) in the …

An analytical technique operating at the nanoscale must be flexible regarding variable
experimental conditions while ideally also being highly specific, extremely sensitive, and …

Amyloid fibrils are β-sheet rich protein aggregates that are strongly associated with various
neurodegenerative diseases. Raman spectroscopy has been broadly utilized to investigate …

Electrochemical tip-enhanced Raman spectroscopy (EC-TERS) has been implemented to
investigate the structure and activity of iron (II) phthalocyanine (FePc)—a model catalyst for …