reviewACS NanoJan 15, 2025Closed access

Advances, Challenges, and Opportunities in Plasmonic Nanogap-Enhanced Raman Scattering with Nanoparticles

GKGyeong‐Hwan KimJSJiwoong SonJNJwa‐Min Nam

Seoul National University

PubMed
Indexed incrossrefpubmed

Abstract

Surface-enhanced Raman scattering has been widely used for molecular/material characterization and chemical and biological sensing and imaging applications. In particular, plasmonic nanogap-enhanced Raman scattering (NERS) is based on the highly localized electric field formed within the nanogap between closely spaced metallic surfaces to more strongly amplify Raman signals than the cases with molecules on metal surfaces. Nanoparticle-based NERS offers extraordinarily strong Raman signals and a plethora of opportunities in sensing, imaging and many different types of biomedical applications. Despite its potential, several challenges still remain for NERS to be widely useful in real-world applications. This…

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3

Topics & keywords

Topics
Keywords
  • Plasmon
  • Nanotechnology
  • Materials science
  • Raman scattering
  • Nanoparticle
  • Plasmonic nanoparticles
  • Raman spectroscopy
  • Optoelectronics
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