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      Nanostructure-based plasmon-enhanced Raman spectroscopy for surface analysis of materials

      , , , , , ,
      Nature Reviews Materials
      Springer Nature

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          Optical Constants of the Noble Metals

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            Biosensing with plasmonic nanosensors.

            Recent developments have greatly improved the sensitivity of optical sensors based on metal nanoparticle arrays and single nanoparticles. We introduce the localized surface plasmon resonance (LSPR) sensor and describe how its exquisite sensitivity to size, shape and environment can be harnessed to detect molecular binding events and changes in molecular conformation. We then describe recent progress in three areas representing the most significant challenges: pushing sensitivity towards the single-molecule detection limit, combining LSPR with complementary molecular identification techniques such as surface-enhanced Raman spectroscopy, and practical development of sensors and instrumentation for routine use and high-throughput detection. This review highlights several exceptionally promising research directions and discusses how diverse applications of plasmonic nanoparticles can be integrated in the near future.
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              The Fano resonance in plasmonic nanostructures and metamaterials.

              Since its discovery, the asymmetric Fano resonance has been a characteristic feature of interacting quantum systems. The shape of this resonance is distinctively different from that of conventional symmetric resonance curves. Recently, the Fano resonance has been found in plasmonic nanoparticles, photonic crystals, and electromagnetic metamaterials. The steep dispersion of the Fano resonance profile promises applications in sensors, lasing, switching, and nonlinear and slow-light devices.
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                Author and article information

                Journal
                Nature Reviews Materials
                Nat. Rev. Mater.
                Springer Nature
                2058-8437
                April 26 2016
                April 26 2016
                : 1
                : 6
                : 16021
                Article
                10.1038/natrevmats.2016.21
                e739a8b4-cf9f-4ebe-9178-4d513c4cece6
                © 2016
                History

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