Surface-enhanced Raman scattering (SERS) and tip-enhanced Raman scattering (TERS)
have opened a variety of exciting research fields. However, although a vast number of …

Driven by applications in chemical sensing, biological imaging and material
characterisation, Raman spectroscopies are attracting growing interest from a variety of …

The discovery of the enhancement of Raman scattering by molecules adsorbed on
nanostructured metal surfaces is a landmark in the history of spectroscopic and analytical …

Photocatalysis, as one of the hopeful technologies to overcome the issues of energy
shortage and environmental pollution, has increasingly attracted attention. In situ …

This review discusses a relatively new technique for optical nanoimaging at visible
wavelength, known as tip-enhanced Raman spectroscopy (TERS). This technique relies on …

Visualizing individual molecules with chemical recognition is a longstanding target in
catalysis, molecular nanotechnology and biotechnology. Molecular vibrations provide a …

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

Diffraction of light prevents optical microscopes from having spatial resolution beyond a
value comparable to the wavelength of the probing light. This essentially means that visible …

Surface-enhanced Raman spectroscopy (SERS) sensing of DNA bases by plasmonic
nanopores could pave a way to novel methods for DNA analyses and new generation single …

The structure of our material world is characterized by a large hierarchy of length scales that
determines material properties and functions. Increasing spatial resolution in optical imaging …