Methods for chemical analysis at the nanometer scale are crucial for understanding and
characterizing nanostructures of modern materials and biological systems. Tip‐enhanced …

As the" fingerprint" spectrum of substances, surface-enhanced Raman scattering (SERS)
has extremely high sensitivity. It can detect the molecular traits on the metal surface and …

This review provides a detailed overview of the state of the art in tip-enhanced Raman
spectroscopy (TERS) and focuses on its applications at the horizon including those in …

This feature review provides an overview of the state-of the art and recent developments in
tip-enhanced Raman spectroscopy (TERS), in-depth information about the different …

Tip-enhanced near-field Raman microscopy spectroscopy is a scanning probe technique
that is capable of providing vibrational spectroscopic information on single nanoobjects and …

Starting with a historical account of evolution in Raman spectroscopy, in this review we
provide details of the advancements that have pushed detection limits to single molecules …

Gold (Au) tips have wide application in local spectroscopies not only because of their high
chemical stability but also their strong localized surface plasmon resonance (LSPR) in the …

Surface enhancement can provide improved detection sensitivity in a range of optical
spectroscopies. When applied to bioanalysis these enhanced techniques allow for the …

The use of an illuminated scanning probe tip to greatly enhance Raman scattering from the
sample underneath the tip is one of the most intriguing developments in optical …

In this article, the electromagnetic (EM) field in gap‐mode tip‐enhanced Raman
spectroscopy (TERS) is investigated theoretically and experimentally for a range of …