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Issue 23, 2015
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Dielectric shell isolated and graphene shell isolated nanoparticle enhanced Raman spectroscopies and their applications

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Abstract

Surface-enhanced Raman scattering (SERS) is a powerful technique that provides fingerprint vibrational information with ultrahigh sensitivity. However, only a few metals (gold, silver and copper) yield a large SERS effect, and they must be rough at the nanoscale. Shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) was developed to overcome the long-standing materials and morphological limitations of SERS. It has already been applied in a variety of fields such as materials science, electrochemistry, surface science, catalysis, food safety and the life sciences. Here, the principles and applications of SHINERS are highlighted. To provide an understanding of the plasmonics involved, finite-difference time-domain (FDTD) calculations and single nanoparticle SHINERS experiments are reviewed. Next, various shell-isolated nanoparticle (SHIN) types are described. Then a number of applications are discussed. In the first application, SHINERS is used to characterize the adsorption processes of pyridine on Au(hkl) single-crystal electrode surfaces. Then, SHINERS' applicability to food inspection and cultural heritage science is demonstrated by the detection of parathion and fenthion pesticides, and Lauth's violet (thionine dye). Finally, graphene-isolated Au nanoparticles (GIANs) are shown to be effective for multimodal cell imaging, photothermal cancer therapy and photothermally-enhanced chemotherapy. SHINERS is a fast, simple and reliable method, suitable for application to many areas of science and technology. The concept of shell-isolation can also be applied to other surface-enhanced spectroscopies such as fluorescence, infrared absorption and sum frequency generation.

Graphical abstract: Dielectric shell isolated and graphene shell isolated nanoparticle enhanced Raman spectroscopies and their applications

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Publication details

The article was received on 28 Jun 2015 and first published on 01 Oct 2015


Article type: Tutorial Review
DOI: 10.1039/C5CS00501A
Citation: Chem. Soc. Rev., 2015,44, 8399-8409
  • Open access: Creative Commons BY license
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    Dielectric shell isolated and graphene shell isolated nanoparticle enhanced Raman spectroscopies and their applications

    J. Li, J. R. Anema, T. Wandlowski and Z. Tian, Chem. Soc. Rev., 2015, 44, 8399
    DOI: 10.1039/C5CS00501A

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