Exploiting the Tunable Optical Response of Metallic Nanoshells
Metallic nanoshells, which are plasmonic nanostructures having alternating layers of dielectric and metal, exhibit a notable structural tunability of the plasmon frequencies. This interesting feature has been exploited for a myriad of applications. In thi
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Exploiting the Tunable Optical Response of Metallic Nanoshells Ovidio Pen˜a-Rodrı´guez and Umapada Pal
Contents 1 2 3 4
Definition of the Topic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Experimental and Theoretical Methodologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 Synthesis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Theoretical Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Key Research Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.1 Optical Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Conclusions and Future Perspective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Definition of the Topic
Metallic nanoshells, which are plasmonic nanostructures having alternating layers of dielectric and metal, exhibit a notable structural tunability of the plasmon frequencies. This interesting feature has been exploited for a myriad of applications. In this chapter, along with some synthesis approaches, we discuss the origin of the structural tunability and application potentials of these novel nanostructures in fields such as surface-enhanced Raman scattering, medicine, and photonics.
O. Pen˜a-Rodrı´guez (*) Centro de Microana´lisis de Materiales (CMAM), Universidad Auto´noma de Madrid (UAM), Madrid, Spain ´ ptica, Consejo Superior de Investigaciones Cientı´ficas (IO-CSIC), Madrid, Spain Instituto de O U. Pal Instituto de Fı´sica, Beneme´rita Universidad Auto´noma de Puebla, Puebla, Puebla, Mexico Challa S.S.R. Kumar (ed.), UV-VIS and Photoluminescence Spectroscopy for Nanomaterials Characterization, DOI 10.1007/978-3-642-27594-4_3, # Springer-Verlag Berlin Heidelberg 2013
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O. Pen˜a-Rodrı´guez and U. Pal
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Overview
Plasmonic nanoparticles hav
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