SiO2 core, Au shell nanoparticles are employed as plasmonic nanoantennas for enhanced sensing bio-labeling. Electrodynamics calculations show that strong absorption and emission enhancements are obtained in a wide spectral range, suitable for a large variety of commonly employed bio-labels. Furthermore, the shell geometry is able to provide high bio-compatibility by embedding the labels in the inner cavity.
Plasmonic Nanoshell Antennas for Enhanced Sensing Bio-Labeling
PELLEGRINI, GIOVANNI;PEROTTO, GIOVANNI;BELLO, VALENTINA;MATTEI, GIOVANNI;MAZZOLDI, PAOLO;
2010
Abstract
SiO2 core, Au shell nanoparticles are employed as plasmonic nanoantennas for enhanced sensing bio-labeling. Electrodynamics calculations show that strong absorption and emission enhancements are obtained in a wide spectral range, suitable for a large variety of commonly employed bio-labels. Furthermore, the shell geometry is able to provide high bio-compatibility by embedding the labels in the inner cavity.
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