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. 2015 Mar 1;10:99. doi: 10.1186/s11671-015-0819-1

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© Lopatynskyi et al.; licensee Springer. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

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Calculated values of average electric field intensity enhancement within a 25-nm vicinity of differently shaped Au nanoparticles. Simulation results correspond to (a) semi-ellipsoid- and (b) parallelepiped-shaped Au nanoparticles on glass substrates. Effective geometrical parameters of Au nanoparticles used in FDTD modelling are the same for semi-ellipsoid and parallelepiped shapes and correspond to the data presented in Table 1 for samples R1 to R9, respectively. Labels above the bars indicate the light wavelength, which the maximal electric field intensity enhancement for specific nanoparticle geometry was obtained at.